diff --git a/components/aggpas/src/agg_fpimage.pas b/components/aggpas/src/agg_fpimage.pas
index daf2a19db4..49a79bccbc 100644
--- a/components/aggpas/src/agg_fpimage.pas
+++ b/components/aggpas/src/agg_fpimage.pas
@@ -382,11 +382,7 @@ type
     property Bold; // only windows
     property Italic; // only windows
     property Underline; // not supported
-    {$IF (FPC_FULLVERSION<=20600) or (FPC_FULLVERSION=20602)}
-    property StrikeTrough; //old version with typo
-    {$ELSE}
     property StrikeThrough;
-    {$ENDIF}
   end;
 
   { TAggFPPath }
diff --git a/components/cairocanvas/cairocanvas.pas b/components/cairocanvas/cairocanvas.pas
index e16500872a..b4a564abf2 100644
--- a/components/cairocanvas/cairocanvas.pas
+++ b/components/cairocanvas/cairocanvas.pas
@@ -19,11 +19,7 @@ unit CairoCanvas;
           |____TCairoSvgCanvas
 *)
 {$mode objfpc}{$H+}
-
-{$if (FPC_FULLVERSION>=20701)}
 {$Packset 1}
-{$endif}
-
 {$define pangocairo}
 
 {-$define DebugClip}
diff --git a/components/cairocanvas/cairocanvasall.pas b/components/cairocanvas/cairocanvasall.pas
index 01fb33a526..1ccb0be3a5 100644
--- a/components/cairocanvas/cairocanvasall.pas
+++ b/components/cairocanvas/cairocanvasall.pas
@@ -7,7 +7,7 @@ unit CairoCanvasAll;
 
 interface
 
-{$IF ((FPC_FULLVERSION>=20701) or not defined(win64)) and not defined(WinCE)}
+{$IF not defined(WinCE)}
 uses
   {%H-}CairoCanvas, {%H-}CairoPrinter;
 {$ENDIF}
diff --git a/components/chmhelp/lhelp/chmcontentprovider.pas b/components/chmhelp/lhelp/chmcontentprovider.pas
index 4966adebe1..286eff3e0a 100644
--- a/components/chmhelp/lhelp/chmcontentprovider.pas
+++ b/components/chmhelp/lhelp/chmcontentprovider.pas
@@ -10,11 +10,9 @@ unit ChmContentProvider;
 {$Note Compiling lhelp with search support}
 {$DEFINE CHM_SEARCH}
 
-{$IF FPC_FULLVERSION>=20400}
 {$Note Compiling lhelp *with* binary index and toc support}
 // CHMs can have both binary and text Table of Contents and index
 {$DEFINE CHM_BINARY_INDEX_TOC}    // internal chm index else external file`s indexes
-{$endif}
 
 {off $DEFINE CHM_DEBUG_TIME}
 
diff --git a/components/codetools/eventcodetool.pas b/components/codetools/eventcodetool.pas
index 1c96bb36b6..128f5b1ae4 100644
--- a/components/codetools/eventcodetool.pas
+++ b/components/codetools/eventcodetool.pas
@@ -199,7 +199,7 @@ begin
     ParamString:='';
     for i:=0 to ParamCount-1 do begin
       // read ParamFlags
-      Len:={$IF FPC_FULLVERSION>=30000}SizeOf(TParamFlags){$ELSE}1{$ENDIF};
+      Len:=SizeOf(TParamFlags);
       ParamType.Flags:=[];
       Move(TypeData^.ParamList[Offset],ParamType.Flags,Len);
       inc(Offset,Len);
diff --git a/components/fpreport/design/reportconns.pp b/components/fpreport/design/reportconns.pp
index 6b97504827..4e66007892 100644
--- a/components/fpreport/design/reportconns.pp
+++ b/components/fpreport/design/reportconns.pp
@@ -13,21 +13,15 @@ unit reportconns;
  {$DEFINE HASORACLECONNECTION}
 {$ENDIF}
 
-{$IF FPC_FULLVERSION >= 20601}
-  // MS SQL Server and Sybase ASE connectors were introduced in the FPC 2.7 development branch,
-  //  and backported to 2.6.1. Operating systems should match FPC packages\fcl-db\fpmake.pp
-  {$IF DEFINED(BEOS) OR DEFINED(HAIKU) OR DEFINED(LINUX) OR DEFINED(FREEBSD) OR DEFINED (NETBSD) OR DEFINED(OPENBSD) OR DEFINED(WIN32) OR DEFINED(WIN64)}
-    {$DEFINE HASMSSQLCONNECTION}
-    {$DEFINE HASSYBASECONNECTION}
-  {$ENDIF}
+// MS SQL Server and Sybase ASE connectors were introduced in the FPC 2.7 development branch,
+//  and backported to 2.6.1. Operating systems should match FPC packages\fcl-db\fpmake.pp
+{$IF DEFINED(BEOS) OR DEFINED(HAIKU) OR DEFINED(LINUX) OR DEFINED(FREEBSD) OR DEFINED (NETBSD) OR DEFINED(OPENBSD) OR DEFINED(WIN32) OR DEFINED(WIN64)}
+  {$DEFINE HASMSSQLCONNECTION}
+  {$DEFINE HASSYBASECONNECTION}
 {$ENDIF}
 
-{$IF FPC_FULLVERSION >= 20603}
-  {$DEFINE HASMYSQL56CONNECTION}
-{$ENDIF}
-{$IF FPC_FULLVERSION >= 20701}
-  {$DEFINE HASMYSQL57CONNECTION}
-{$ENDIF}
+{$DEFINE HASMYSQL56CONNECTION}
+{$DEFINE HASMYSQL57CONNECTION}
 
 {$mode objfpc}{$H+}
 
diff --git a/components/fpvectorial/fpvectorial.pas b/components/fpvectorial/fpvectorial.pas
index fd0a90600c..ef942412eb 100644
--- a/components/fpvectorial/fpvectorial.pas
+++ b/components/fpvectorial/fpvectorial.pas
@@ -4586,11 +4586,7 @@ begin
   ADest.Font.Bold := AFont.Bold;
   ADest.Font.Italic := AFont.Italic;
   ADest.Font.Underline := AFont.Underline;
-  {$IF (FPC_FULLVERSION<=20600) or (FPC_FULLVERSION=20602)}
-  ADest.Font.StrikeTrough := AFont.StrikeThrough; //old version with typo
-  {$ELSE}
   ADest.Font.StrikeThrough := AFont.StrikeThrough;
-  {$ENDIF}
 
   {$ifdef USE_LCL_CANVAS}
   ALCLDest.Font.Orientation := Round(AFont.Orientation * 10);  // wp: was * 16
diff --git a/components/freetype/ttfile.pas b/components/freetype/ttfile.pas
index 96a87bd590..7a134e9d93 100644
--- a/components/freetype/ttfile.pas
+++ b/components/freetype/ttfile.pas
@@ -364,19 +364,9 @@ const
  *
  ******************************************************************)
  procedure TT_Done_Stream( stream : TT_Stream );
- {$IF FPC_FULLVERSION<20701}
- var
-   p: Pointer;
- {$ENDIF}
  begin
    if stream.z = nil then exit;
-   {$IF FPC_FULLVERSION<20701}
-   {$HINT workaround for fpc bug 23868 when compiling with -O2}
-   p:=stream.z;
-   TFreeTypeStream(p).FUsed := false;
-   {$ELSE}
    TFreeTypeStream(stream.z).FUsed := false;
-   {$ENDIF}
  end;
 
 (*******************************************************************
diff --git a/components/lazdebuggers/lazdebugtestbase/testapps/WatchesValuePrg.pas b/components/lazdebuggers/lazdebugtestbase/testapps/WatchesValuePrg.pas
index e6504f5268..49be647cf5 100644
--- a/components/lazdebuggers/lazdebugtestbase/testapps/WatchesValuePrg.pas
+++ b/components/lazdebuggers/lazdebugtestbase/testapps/WatchesValuePrg.pas
@@ -344,20 +344,15 @@ type
   // recursive declaration
   TSize = record
     cx : Longint; cy : Longint;
-   public
-  {$if FPC_FULLVERSION >= 30000}
-     constructor Create(asz :TSize);
-  {$ENDIF}
+  public
+    constructor Create(asz :TSize);
   end;
 
   TFunc1 = function(SomeValue, Foo: Integer; Bar: Word; X: Byte): Boolean;
   TProc1 = procedure();
   TMeth1 = function(AVal: Integer): Boolean of object;
-  {$if FPC_FULLVERSION >= 30000}
   PFuncSelfRef = ^TFuncSelfRef;
   TFuncSelfRef = function(SomeValue, Foo: PFuncSelfRef): PFuncSelfRef;
-  {$ENDIF}
-
 
   // Recursive pointers
   TRecursePtrA1 = ^TRecursePtrA2;
@@ -534,10 +529,7 @@ var
   MyStringList: TMyStringList;
 
   U8Data1, U8Data2: Utf8String;
-
-  {$if FPC_FULLVERSION >= 30000}
   dummy1: PFuncSelfRef;
-  {$ENDIF}
 
 const
 (* LOCATION: global const *)
@@ -607,10 +599,8 @@ var
   TEST_PREPOCESS(WatchesValuePrgIdent.inc, pre__=gv_ptrlist_, "_OP_=:PPointerList;//", "_O2_=:PPointerList;//" )
 
 
-{$if FPC_FULLVERSION >= 30000}
 constructor TSize.Create(asz :TSize);
 begin end;
-{$endif}
 constructor TObjectCreate3Int64.Create;
 begin end;
 destructor TObjectCreate3Int64.Destroy;
@@ -983,10 +973,7 @@ begin
   VarCastRecl4.l4 := 13;
   VarCastRecq2.q  := $0010001100120013;
   VarCastRecq2.q2 := $0020002100220023;
-
-  {$if FPC_FULLVERSION >= 30000}
   dummy1 := nil;
-  {$ENDIF}
 
   with ModifyTestByte      do begin pre := qword($9696969696969696); post := $69; val := $01; end;
   with ModifyTestWord      do begin pre := qword($9696969696969696); post := $69; val := $0101; end;
diff --git a/components/lazreport/source/lr_dbset.pas b/components/lazreport/source/lr_dbset.pas
index ff1627f1c1..531108b39f 100644
--- a/components/lazreport/source/lr_dbset.pas
+++ b/components/lazreport/source/lr_dbset.pas
@@ -153,9 +153,7 @@ procedure TfrDBDataSet.FreeBookMark(BM: Pointer);
 var
   ds: TDataset;
 begin
-  {$IFNDEF noautomatedbookmark}
   SetLength(TBookMark(BM),0);  //decreases refcount of bookmark
-  {$ENDIF noautomatedbookmark}
   ds := DataSet;
   if Assigned(ds) and Assigned(BM) then
     ds.FreeBookmark(BM);
diff --git a/components/lazreport/source/lr_rrect.pas b/components/lazreport/source/lr_rrect.pas
index eb3ef3db4e..d3c1f93d3b 100644
--- a/components/lazreport/source/lr_rrect.pas
+++ b/components/lazreport/source/lr_rrect.pas
@@ -24,9 +24,7 @@ unit LR_RRect;
 interface
 
 {$I lr_vers.inc}
-{$if (FPC_FULLVERSION>=20701)}
 {$Packset 1}
-{$endif}
 
 uses
   Classes, SysUtils, LResources, GraphMath,
diff --git a/components/lazreport/source/lr_vers.inc b/components/lazreport/source/lr_vers.inc
index 420e3fd5d2..2d49171f40 100644
--- a/components/lazreport/source/lr_vers.inc
+++ b/components/lazreport/source/lr_vers.inc
@@ -56,11 +56,6 @@
 {$ENDIF}
 {$DEFINE Delphi5}
 
-{$if FPC_FULLVERSION<20701}
-  // in former FCL versions TBookmark was a simple pointer
-  {$DEFINE noautomatedbookmark}
-{$endif}
-
 {$IFDEF Darwin}
   {$DEFINE PRINTDIALOG_NATIVE_PRINTDIALOG}
   {$DEFINE PRINTDIALOG_DISABLE_PRINTER_PROPERTIES}
diff --git a/components/lazutils/lazsysutils.pas b/components/lazutils/lazsysutils.pas
index 33813179b2..881e2ecb5b 100644
--- a/components/lazutils/lazsysutils.pas
+++ b/components/lazutils/lazsysutils.pas
@@ -26,19 +26,14 @@ uses
   {$ELSE}
     {$IFnDEF HASAMIGA}
       Unix, BaseUnix,
-      {$If defined(Linux) and (FPC_FULLVERSION<30000)}
-      Linux,
-      {$EndIf}
     {$ENDIF}
   {$ENDIF}
   Classes;
 
-{$IF FPC_FULLVERSION>=30000}
 function GetTickCount64: QWord;
 begin
   Result := SysUtils.GetTickCount64;
 end;
-{$ENDIF}
 
 // ToDo: Move the code to 1 include file per platform
 {$IFDEF WINDOWS}
@@ -49,15 +44,6 @@ begin
   windows.GetSystemTime(SystemTime{%H-});
   result := systemTimeToDateTime(SystemTime);
 end;
-
-{$IF FPC_FULLVERSION<30000}
-function GetTickCount64: QWord;
-begin
-  // GetTickCount64 is better, but we need to check the Windows version to use it
-  Result := Windows.GetTickCount();
-end;
-{$ENDIF FPC_FULLVERSION}
-
 {$ELSE WINDOWS}
 {$IFDEF UNIX}
 Const
@@ -115,39 +101,12 @@ begin
   result := systemTimeToDateTime(SystemTime);
 end;
 
-{$IF FPC_FULLVERSION<30000}
-{$IF defined(Linux) and not defined(GetTickCountTimeOfDay)}
-function GetTickCount64: QWord;
-var
-  tp: timespec;
-begin
-  clock_gettime(CLOCK_MONOTONIC, @tp); // exists since Linux Kernel 2.6
-  Result := (Int64(tp.tv_sec) * 1000) + (tp.tv_nsec div 1000000);
-end;
-{$ELSE}
-function GetTickCount64: QWord;
-var
-  tp: TTimeVal;
-begin
-  fpgettimeofday(@tp, nil);
-  Result := (Int64(tp.tv_sec) * 1000) + (tp.tv_usec div 1000);
-end;
-{$ENDIF}
-{$ENDIF FPC_FULLVERSION}
-
 {$ELSE UNIX}
 // Not Windows and not UNIX, so just write the most trivial code until we have something better:
 function NowUTC: TDateTime;
 begin
   Result := Now;
 end;
-
-{$IF FPC_FULLVERSION<30000}
-function GetTickCount64: QWord;
-begin
-  Result := Trunc(Now * 24 * 60 * 60 * 1000);
-end;
-{$ENDIF FPC_FULLVERSION}
 {$ENDIF UNIX}
 {$ENDIF WINDOWS}
 
diff --git a/components/lazutils/lazutf8.pas b/components/lazutils/lazutf8.pas
index 118048ecf9..dd2a0fbcc0 100644
--- a/components/lazutils/lazutf8.pas
+++ b/components/lazutils/lazutf8.pas
@@ -258,11 +258,7 @@ begin
   if FNeedRTLAnsiValid then
     exit(FNeedRTLAnsi);
   {$IFDEF Windows}
-    {$IF FPC_FULLVERSION>=20701}
-    FNeedRTLAnsi:=DefaultSystemCodePage<>CP_UTF8;
-    {$ELSE}
-    FNeedRTLAnsi:=GetACP<>CP_UTF8;
-    {$ENDIF}
+  FNeedRTLAnsi:=DefaultSystemCodePage<>CP_UTF8;
   {$ELSE}
   FNeedRTLAnsi:=false;
   Lang := SysUtils.GetEnvironmentVariable('LC_ALL');
diff --git a/components/lazutils/winlazutf8.inc b/components/lazutils/winlazutf8.inc
index c8d32c7ee1..5616a521d6 100644
--- a/components/lazutils/winlazutf8.inc
+++ b/components/lazutils/winlazutf8.inc
@@ -260,35 +260,9 @@ end;
 {$ENDIF WINCE}
 
 function GetEnvironmentVariableWide(const EnvVar: string): UnicodeString;
-{$IF FPC_FULLVERSION>=30000}
 begin
   Result:=GetEnvironmentVariable(UTF8ToUTF16(EnvVar));
 end;
-{$ELSE}
-var
-  s, upperenv : Unicodestring;
-  i : longint;
-  hp,p : pwidechar;
-begin
-  Result:='';
-  p:=GetEnvironmentStringsW;
-  hp:=p;
-  upperenv:=uppercase(envvar);
-  while hp^<>#0 do
-  begin
-    s:=hp;
-    i:=pos('=',s);
-    if uppercase(copy(s,1,i-1))=upperenv then
-    begin
-      Result:=copy(s,i+1,length(s)-i);
-      break;
-    end;
-    { next string entry}
-    hp:=hp+strlen(hp)+1;
-  end;
-  FreeEnvironmentStringsW(p);
-end;
-{$ENDIF}
 
 
 //*************** END WideString impementations
diff --git a/components/sqldb/registersqldb.pas b/components/sqldb/registersqldb.pas
index 0a565af7e6..2b9abbf375 100644
--- a/components/sqldb/registersqldb.pas
+++ b/components/sqldb/registersqldb.pas
@@ -37,29 +37,21 @@ unit registersqldb;
  {$DEFINE HASORACLECONNECTION}
 {$ENDIF}
 
-{$IF FPC_FULLVERSION >= 20601}
-  // MS SQL Server and Sybase ASE connectors were introduced in the FPC 2.7 development branch,
-  //  and backported to 2.6.1. Operating systems should match FPC packages\fcl-db\fpmake.pp	 
-  {$IF DEFINED(BEOS) OR DEFINED(HAIKU) OR DEFINED(LINUX) OR DEFINED(FREEBSD) OR DEFINED (NETBSD) OR DEFINED(OPENBSD) OR DEFINED(WIN32) OR DEFINED(WIN64)}	 
-    {$DEFINE HASMSSQLCONNECTION}	 
-    {$DEFINE HASSYBASECONNECTION}	 
-  {$ENDIF}
+// MS SQL Server and Sybase ASE connectors were introduced in the FPC 2.7 development branch,
+//  and backported to 2.6.1. Operating systems should match FPC packages\fcl-db\fpmake.pp
+{$IF DEFINED(BEOS) OR DEFINED(HAIKU) OR DEFINED(LINUX) OR DEFINED(FREEBSD) OR DEFINED (NETBSD) OR DEFINED(OPENBSD) OR DEFINED(WIN32) OR DEFINED(WIN64)}
+  {$DEFINE HASMSSQLCONNECTION}
+  {$DEFINE HASSYBASECONNECTION}
 {$ENDIF}
 
-{$IF FPC_FULLVERSION >= 20602} 
 // These were backported to FPC 2.6.2
- {$DEFINE HASFBADMIN}
- {$DEFINE HASPQEVENT}
- {$DEFINE HASFBEVENT}
- {$DEFINE HASLIBLOADER}
-{$ENDIF}
+{$DEFINE HASFBADMIN}
+{$DEFINE HASPQEVENT}
+{$DEFINE HASFBEVENT}
+{$DEFINE HASLIBLOADER}
 
-{$IF FPC_FULLVERSION >= 20603}
-  {$DEFINE HASMYSQL56CONNECTION}
-{$ENDIF}
-{$IF FPC_FULLVERSION >= 20701}
-  {$DEFINE HASMYSQL57CONNECTION}
-{$ENDIF}
+{$DEFINE HASMYSQL56CONNECTION}
+{$DEFINE HASMYSQL57CONNECTION}
 {$IF FPC_FULLVERSION >= 30202}
   {$DEFINE HASMYSQL80CONNECTION}
 {$ENDIF}
diff --git a/components/sqldbrest/editor/schemaconns.pp b/components/sqldbrest/editor/schemaconns.pp
index 49f2528c7f..282169a891 100644
--- a/components/sqldbrest/editor/schemaconns.pp
+++ b/components/sqldbrest/editor/schemaconns.pp
@@ -10,24 +10,18 @@ unit schemaconns;
 {$DEFINE HASSQLITE3CONNECTION}
 
 {$IF (FPC_FULLVERSION>=30002) or not defined(win64)}
- {$DEFINE HASORACLECONNECTION}
+  {$DEFINE HASORACLECONNECTION}
 {$ENDIF}
 
-{$IF FPC_FULLVERSION >= 20601}
-  // MS SQL Server and Sybase ASE connectors were introduced in the FPC 2.7 development branch,
-  //  and backported to 2.6.1. Operating systems should match FPC packages\fcl-db\fpmake.pp
-  {$IF DEFINED(BEOS) OR DEFINED(HAIKU) OR DEFINED(LINUX) OR DEFINED(FREEBSD) OR DEFINED (NETBSD) OR DEFINED(OPENBSD) OR DEFINED(WIN32) OR DEFINED(WIN64)}
-    {$DEFINE HASMSSQLCONNECTION}
-    {$DEFINE HASSYBASECONNECTION}
-  {$ENDIF}
+// MS SQL Server and Sybase ASE connectors were introduced in the FPC 2.7 development branch,
+//  and backported to 2.6.1. Operating systems should match FPC packages\fcl-db\fpmake.pp
+{$IF DEFINED(BEOS) OR DEFINED(HAIKU) OR DEFINED(LINUX) OR DEFINED(FREEBSD) OR DEFINED (NETBSD) OR DEFINED(OPENBSD) OR DEFINED(WIN32) OR DEFINED(WIN64)}
+  {$DEFINE HASMSSQLCONNECTION}
+  {$DEFINE HASSYBASECONNECTION}
 {$ENDIF}
 
-{$IF FPC_FULLVERSION >= 20603}
-  {$DEFINE HASMYSQL56CONNECTION}
-{$ENDIF}
-{$IF FPC_FULLVERSION >= 20701}
-  {$DEFINE HASMYSQL57CONNECTION}
-{$ENDIF}
+{$DEFINE HASMYSQL56CONNECTION}
+{$DEFINE HASMYSQL57CONNECTION}
 
 {$mode objfpc}{$H+}
 
diff --git a/components/synedit/lazsynimm.pas b/components/synedit/lazsynimm.pas
index 31ba82e46b..c940ac58ea 100644
--- a/components/synedit/lazsynimm.pas
+++ b/components/synedit/lazsynimm.pas
@@ -13,11 +13,6 @@ uses
   SynEditMiscClasses, SynTextDrawer, SynEditPointClasses, SynEditMarkupSelection,
   SynEditMarkup, SynEditTypes, SynEditKeyCmds, LazSynEditText, SynEditTextBase;
 
-{$IFDEF WINCE} {$IF (FPC_FULLVERSION < 20700)}
-function ImmSetCompositionFontA(_himc:HIMC; lplf:LPLOGFONT):BOOL; external ImmDLL name 'ImmSetCompositionFontA';
-const
-  WM_IME_REQUEST = $0288;
-{$ENDIF}{$ENDIF}
 type
 
   { LazSynWinIme }
diff --git a/components/synedit/syncompletion.pas b/components/synedit/syncompletion.pas
index 1ab8558f76..235982bcac 100644
--- a/components/synedit/syncompletion.pas
+++ b/components/synedit/syncompletion.pas
@@ -479,17 +479,13 @@ const
 implementation
 
 function IsIdentifierChar(p: PChar): boolean; inline;
-{$IF FPC_FULLVERSION >= 20701}
 var
   u: UnicodeString;
   i: Integer;
   L: SizeUInt;
-{$ENDIF}
 begin
   Result := p^ in ['a'..'z','A'..'Z','0'..'9','_'];
   if Result then exit;
-
-  {$IF FPC_FULLVERSION >= 20701}
   if p^ <= #127 then exit;
   i := UTF8CodepointSize(p);
   SetLength(u, i);
@@ -500,7 +496,6 @@ begin
     if L > 1 then
       Result := TCharacter.IsLetterOrDigit(u, 1);
   end;
-  {$ENDIF}
 end;
 
 { TSynBaseCompletionFormScrollBar }
diff --git a/components/synedit/synedittextdoublewidthchars.pas b/components/synedit/synedittextdoublewidthchars.pas
index 475898b4ab..50a4b2c307 100644
--- a/components/synedit/synedittextdoublewidthchars.pas
+++ b/components/synedit/synedittextdoublewidthchars.pas
@@ -427,11 +427,7 @@ begin
   dec(PWidths);
 
   {$IFDEF SynForceDoubeWidthHack}
-  {$IF FPC_FULLVERSION>=20701}
   if (DefaultSystemCodePage = 932) {Japanese}
-  {$ELSE}
-  if (GetACP = 932) {Japanese}
-  {$ENDIF}
   then begin
     for i := 0 to LineLen - 1 do begin
       inc(Line);
diff --git a/components/vlc/reglazvlc.pas b/components/vlc/reglazvlc.pas
index 5254062eeb..81919dfa40 100644
--- a/components/vlc/reglazvlc.pas
+++ b/components/vlc/reglazvlc.pas
@@ -1,9 +1,5 @@
 unit reglazvlc;
 
-{$IF FPC_FULLVERSION<20701}
-{$ERROR needs at least FPC 2.7.1}
-{$ENDIF}
-
 {$mode objfpc}{$H+}
 
 interface
diff --git a/components/wiki/test/wikihelpmanager.pas b/components/wiki/test/wikihelpmanager.pas
index a4a7a6ed8b..eb654cb63d 100644
--- a/components/wiki/test/wikihelpmanager.pas
+++ b/components/wiki/test/wikihelpmanager.pas
@@ -1248,9 +1248,6 @@ var
   StartTime: TDateTime;
   EndTime: TDateTime;
 begin
-  {$IF FPC_FULLVERSION<30000}
-  CurrentThread:=Self;
-  {$ENDIF}
   try
     Files:=nil;
     try
@@ -1301,9 +1298,6 @@ begin
     end;
   finally
     Scanned;
-    {$IF FPC_FULLVERSION<30000}
-    CurrentThread:=nil;
-    {$ENDIF}
   end;
 end;
 
@@ -1547,11 +1541,7 @@ begin
     FScanThread:=TWikiHelpThread.Create(true);
     FScanThread.FreeOnTerminate:=true;
     FScanThread.Help:=Self;
-    {$IF FPC_FULLVERSION<=20403}
-    FScanThread.Resume;
-    {$ELSE}
     FScanThread.Start;
-    {$ENDIF}
   finally
     LeaveCritSect;
   end;
diff --git a/examples/cleandir/cleandirs.lpr b/examples/cleandir/cleandirs.lpr
index c8500a81a5..fde79da0dc 100644
--- a/examples/cleandir/cleandirs.lpr
+++ b/examples/cleandir/cleandirs.lpr
@@ -24,9 +24,6 @@ Uses
 {$IFDEF UNIX}{$IFDEF UseCThreads}
   cthreads,
 {$ENDIF}{$ENDIF}
-  {$IF FPC_FULLVERSION<20602}
-  {$ERROR this example requires at least fpc 2.6.2}
-  {$ENDIF}
   daemonapp, lazdaemonapp,
   sysutils
   { add your units here }, svcmap, svccleandirs, dircleaner;
diff --git a/examples/database/mssql/mssqlconnsample.lpr b/examples/database/mssql/mssqlconnsample.lpr
index 182f728976..cbc1f9fd28 100644
--- a/examples/database/mssql/mssqlconnsample.lpr
+++ b/examples/database/mssql/mssqlconnsample.lpr
@@ -8,10 +8,6 @@ See readme.txt for details on required drivers.
 
 {$mode objfpc}{$H+}
 
-{$IF FPC_FULLVERSION<20601}
-{$ERROR this example requires at least fpc 2.6.1}
-{$ENDIF}
-
 uses
   {$IFDEF UNIX}{$IFDEF UseCThreads}
   cthreads,
diff --git a/ide/include/ide.inc b/ide/include/ide.inc
index 2596bd2e23..3d500994bd 100644
--- a/ide/include/ide.inc
+++ b/ide/include/ide.inc
@@ -48,13 +48,7 @@
   {$ENDIF}
 {$ENDIF}
 
-{$IF FPC_FULLVERSION<20700}
-// fpc 2.6.2 and 2.6.3 have a bug with -O2 and for..in
-// see http://bugs.freepascal.org/view.php?id=25588
-  {$OPTIMIZATION NOSTACKFRAME}
-{$ENDIF}
-
-{$IF defined(Windows) and defined(HEAPTRC_WINDOW) and (FPC_FULLVERSION>=20701)}
+{$IF defined(Windows) and defined(HEAPTRC_WINDOW)}
   {$DEFINE EnableRedirectStdErr}
 {$ENDIF}
 
diff --git a/ide/lazadvancedipc.pp b/ide/lazadvancedipc.pp
index d3e71dc57b..14da764886 100644
--- a/ide/lazadvancedipc.pp
+++ b/ide/lazadvancedipc.pp
@@ -34,11 +34,7 @@ uses
   {$IFDEF UNIX}
   baseunix,
   {$endif}
-  sysutils, Classes, LazFileUtils
-  {$IF FPC_FULLVERSION<20701}
-  ,LazSysUtils
-  {$ENDIF}
-  ;
+  sysutils, Classes, LazFileUtils;
 
 const
   HEADER_VERSION = 2;
@@ -184,7 +180,7 @@ resourcestring
 implementation
 
 type
-  TIPCSearchRec = {$IF FPC_FULLVERSION>=20701}TRawByteSearchRec{$ELSE}TSearchRec{$ENDIF};
+  TIPCSearchRec = TRawByteSearchRec;
 
 const
   {$IFDEF UNIX}
diff --git a/ide/lazbuild.lpr b/ide/lazbuild.lpr
index 719c744244..3bbb0495da 100644
--- a/ide/lazbuild.lpr
+++ b/ide/lazbuild.lpr
@@ -279,9 +279,6 @@ begin
     DebugLn(['TLazBuildApplication.OnCodeBufferEncodeSaving Filename=',Code.Filename,' Mem=',Code.MemEncoding,' to Disk=',Code.DiskEncoding]);
     {$ENDIF}
     Source:=ConvertEncoding(Source,Code.MemEncoding,Code.DiskEncoding);
-    {$IF FPC_FULLVERSION >= 20701}
-    //SetCodePage(Source,CP_ACP);
-    {$ENDIF}
   end;
 end;
 
diff --git a/ide/raw_window.pas b/ide/raw_window.pas
index f9419b0746..627d970200 100644
--- a/ide/raw_window.pas
+++ b/ide/raw_window.pas
@@ -29,20 +29,17 @@ interface
 
 {$IFDEF Windows}
 {$IFDEF HEAPTRC_WINDOW}
-{$IF FPC_FULLVERSION>=20701}
 uses
   SysUtils, Windows, Messages;
 
 procedure ShowWindow(AStr : String);
 {$ENDIF}
 {$ENDIF}
-{$ENDIF}
 
 implementation
 
 {$IFDEF Windows}
 {$IFDEF HEAPTRC_WINDOW}
-{$IF FPC_FULLVERSION>=20701}
 Var
   WndHandle,
   ButtonHandle,
@@ -191,7 +188,6 @@ Begin
 end;
 {$ENDIF}
 {$ENDIF}
-{$ENDIF}
 
 end.
 
diff --git a/lcl/dbgrids.pas b/lcl/dbgrids.pas
index 0633dd86bf..d8c644b9ae 100644
--- a/lcl/dbgrids.pas
+++ b/lcl/dbgrids.pas
@@ -36,10 +36,6 @@ uses
   LCLIntf, LCLType, LMessages, LResources, Controls, StdCtrls, Graphics, Grids,
   Dialogs, Themes, Variants, Clipbrd, ImgList, Laz2_XMLCfg;
 
-{$if FPC_FULLVERSION<20701}
-  {$DEFINE noautomatedbookmark}
-{$endif}
-
 const
   DEFINDICATORCOLWIDTH = 12;
 
@@ -4614,15 +4610,11 @@ begin
 
   if Find(Bookmark, Index) then begin
     FDataset.FreeBookmark(Bookmark);
-    {$ifndef noautomatedbookmark}
     SetLength(TBookmark(Bookmark),0); // decrease reference count
-    {$endif noautomatedbookmark}
     if not AValue then begin
       FDataset.FreeBookmark(Pointer(Items[Index]));
-      {$ifndef noautomatedbookmark}
       Bookmark := FList[Index];
       SetLength(TBookmark(Bookmark),0); // decrease reference count
-      {$endif noautomatedbookmark}
       FList.Delete(Index);
       FGrid.Invalidate;
     end;
@@ -4635,9 +4627,7 @@ begin
     end else
     begin
       FDataset.FreeBookmark(Bookmark);
-      {$ifndef noautomatedbookmark}
       SetLength(TBookmark(Bookmark),0);   // decrease reference count
-      {$endif}
     end;
   end;
 end;
@@ -4704,9 +4694,7 @@ end;
 procedure TBookmarkList.Clear;
 var
   i: Integer;
-  {$ifndef noautomatedbookmark}
   Bookmark: Pointer;
-  {$endif}
 begin
   for i:=0 to FList.Count-1 do
   begin
@@ -4714,10 +4702,8 @@ begin
     DebugLn('%s.Clear', [ClassName]);
     {$endif}
     FDataset.FreeBookmark(Items[i]);
-    {$ifndef noautomatedbookmark}
     Bookmark := FList[i];
     SetLength(TBookmark(Bookmark),0); // decrease reference count
-    {$endif noautomatedbookmark}
   end;
   FList.Clear;
   FGrid.Invalidate;
@@ -4726,21 +4712,15 @@ end;
 procedure TBookmarkList.Delete;
 var
   i: Integer;
-  {$ifndef noautomatedbookmark}
   Bookmark: Pointer;
-  {$endif}
 begin
   {$ifdef dbgDBGrid}
   DebugLn('%s.Delete', [ClassName]);
   {$endif}
   for i := FList.Count-1 downto 0 do begin
     FDataset.GotoBookmark(Items[i]);
-    {$ifndef noautomatedbookmark}
     Bookmark := FList[i];
     SetLength(TBookmark(Bookmark),0); // decrease reference count
-    {$else}
-    FDataset.FreeBookmark(Items[i]);
-    {$endif noautomatedbookmark}
     FDataset.Delete;
     FList.Delete(i);
   end;
@@ -4819,9 +4799,7 @@ end;
 function TBookmarkList.Refresh: boolean;
 var
   i: LongInt;
-  {$ifndef noautomatedbookmark}
   Bookmark: Pointer;
-  {$endif}
 begin
   {$ifdef dbgDBGrid}
   DebugLn('%s.Refresh', [ClassName]);
@@ -4831,10 +4809,8 @@ begin
     if not FDataset.BookmarkValid(TBookMark(Items[i])) then begin
       Result := True;
       FDataset.FreeBookmark(Items[i]);
-      {$ifndef noautomatedbookmark}
       Bookmark := FList[i];
       SetLength(TBookmark(Bookmark),0); // decrease reference count
-      {$endif noautomatedbookmark}
       Flist.Delete(i);
     end;
   if Result then
diff --git a/lcl/graphics.pp b/lcl/graphics.pp
index 853914d1b0..994847b97d 100644
--- a/lcl/graphics.pp
+++ b/lcl/graphics.pp
@@ -25,18 +25,9 @@ interface
 {$ASSERTIONS ON}
 {$endif}
 
-{$IF FPC_FULLVERSION>=20601}
 {$DEFINE HasFPCanvas1}
-{$ENDIF}
-
-{$IF FPC_FULLVERSION>=20603}
 {$DEFINE HasFPEndCap}
-{$ENDIF}
-
-{$IF FPC_FULLVERSION>=20603}
 {$DEFINE HasFPJoinStyle}
-{$ENDIF}
-
 {$IF FPC_FULLVERSION>=30203}
 {$DEFINE UseSystemUITypes}
 {$ENDIF}
diff --git a/lcl/imglist.pp b/lcl/imglist.pp
index a0c6f317ac..3f4884db84 100644
--- a/lcl/imglist.pp
+++ b/lcl/imglist.pp
@@ -334,8 +334,7 @@ type
     procedure ReadData(AStream: TStream); virtual;
     procedure WriteAdvData(AStream: TStream); virtual;
     procedure ReadAdvData(AStream: TStream); virtual;
-    function Equals(Obj: TObject): boolean;
-      {$IF FPC_FULLVERSION>=20402}override;{$ENDIF}
+    function Equals(Obj: TObject): boolean; override;
     procedure BeginUpdate;
     procedure EndUpdate;
 
diff --git a/lcl/include/canvas.inc b/lcl/include/canvas.inc
index 99d02e5b19..04adda5163 100644
--- a/lcl/include/canvas.inc
+++ b/lcl/include/canvas.inc
@@ -1583,9 +1583,7 @@ destructor TCanvas.Destroy;
 begin
 //DebugLn('[TCanvas.Destroy] ',ClassName,'  Self=',DbgS(Self));
   Handle := 0;
-  {$IF FPC_FULLVERSION>=20602}
   FreeThenNil(FClipRegion); {issue #24980 looks like TFPCustomCanvas bug}
-  {$ENDIF}
   FreeThenNil(FRegion);
   FreeThenNil(FSavedHandleStates);
   if FLock <> 0 then
diff --git a/lcl/include/imglist.inc b/lcl/include/imglist.inc
index e5ee413792..abfce5fbad 100644
--- a/lcl/include/imglist.inc
+++ b/lcl/include/imglist.inc
@@ -2392,11 +2392,7 @@ begin
       CurStream.Free;
     end;
   end else
-    {$IF FPC_FULLVERSION>20402}
     Result:=inherited Equals(Obj);
-    {$ELSE}
-    Result:=false;
-    {$ENDIF}
 end;
 
 function TCustomImageList.FindResolution(AImageWidth: Integer; out
diff --git a/lcl/include/lcl_defines.inc b/lcl/include/lcl_defines.inc
index 786feb1b8c..916b7c1088 100644
--- a/lcl/include/lcl_defines.inc
+++ b/lcl/include/lcl_defines.inc
@@ -3,10 +3,8 @@
 {$DEFINE UseCLDefault}
 {$WARN SYMBOL_PLATFORM OFF}
 
-{$IF FPC_FULLVERSION>=20701}
-  // NOREMOVEEMPTYPROCS bites double inheritance in wslclclasses.pp
-  {$OPTIMIZATION NOREMOVEEMPTYPROCS}
-{$ENDIF}
+// NOREMOVEEMPTYPROCS bites double inheritance in wslclclasses.pp
+{$OPTIMIZATION NOREMOVEEMPTYPROCS}
 
 {$IFNDEF FPC_FULLVERSION}
   {$DEFINE FPDOC}
diff --git a/lcl/include/tiffimage.inc b/lcl/include/tiffimage.inc
index ef9fef8792..e8455633eb 100644
--- a/lcl/include/tiffimage.inc
+++ b/lcl/include/tiffimage.inc
@@ -25,11 +25,7 @@ var
   D, T: TDateTime;
   S: String;
   YY, MM, DD, HH, NN, SS: Integer;
-  {$IF FPC_FULLVERSION>=20601}
   IFD: TTiffIFD;
-  {$ELSE}
-  IFD: TTiffIDF;
-  {$ENDIF}
 begin
   IFD:=TFPReaderTiff(AReader).FirstImg;
   FArtist := IFD.Artist;
diff --git a/lcl/interfaces/carbon/carbonstrings.pp b/lcl/interfaces/carbon/carbonstrings.pp
index a8ca7630cc..0a705d41c3 100644
--- a/lcl/interfaces/carbon/carbonstrings.pp
+++ b/lcl/interfaces/carbon/carbonstrings.pp
@@ -18,10 +18,6 @@ interface
 // defines
 {$I carbondefines.inc}
 
-{$if (FPC_FULLVERSION>=20701) OR (FPC_FULLVERSION>=20603)}
-{$define HAS_INHERITED_INSERTITEM}
-{$endif}
-
 uses
   // rtl+ftl
   Classes, SysUtils,
@@ -40,10 +36,6 @@ type
     FOwner: TCarbonComboBox;  // Carbon combo box control owning strings
   protected
     procedure Put(Index: Integer; const S: string); override;
-    {$IFNDEF HAS_INHERITED_INSERTITEM}
-    // before fpc 2.7.1 InsertItem(Index,S) did not call InsertItem(Index,S,nil)
-    procedure InsertItem(Index: Integer; const S: string); override;
-    {$ENDIF}
     procedure InsertItem(Index: Integer; const S: string; O: TObject); override;
   public
     constructor Create(AOwner: TCarbonComboBox);
@@ -63,10 +55,6 @@ type
     FWinControl: TWinControl;
   protected
     procedure Put(Index: Integer; const S: string); override;
-    {$IFNDEF HAS_INHERITED_INSERTITEM}
-    // before fpc 2.7.1 InsertItem(Index,S) did not call InsertItem(Index,S,nil)
-    procedure InsertItem(Index: Integer; const S: string); override;
-    {$ENDIF}
     procedure InsertItem(Index: Integer; const S: string; O: TObject); override;
   public
     constructor Create(AOwner: TCarbonListBox; AWinControl: TWinControl);
@@ -125,22 +113,6 @@ begin
   FOwner.Insert(Index, S);
 end;
 
-{$IFNDEF HAS_INHERITED_INSERTITEM}
-{------------------------------------------------------------------------------
-  Method:  TCarbonComboBoxStrings.InsertItem
-  Params:  Index - Line index
-           S     - Text to insert
-
-  Inserts the text on line with the specified index
- ------------------------------------------------------------------------------}
-procedure TCarbonComboBoxStrings.InsertItem(Index: Integer; const S: string);
-begin
-  inherited InsertItem(Index, S);
-
-  FOwner.Insert(Index, S);
-end;
-{$ENDIF}
-
 {------------------------------------------------------------------------------
   Method:  TCarbonComboBoxStrings.InsertItem
   Params:  Index - Line index
@@ -240,22 +212,6 @@ begin
   FOwner.UpdateItem(Index);
 end;
 
-{$IFNDEF HAS_INHERITED_INSERTITEM}
-{------------------------------------------------------------------------------
-  Method:  TCarbonListBoxStrings.InsertItem
-  Params:  Index - Line index
-           S     - Text to insert
-
-  Inserts the text on line with the specified index
- ------------------------------------------------------------------------------}
-procedure TCarbonListBoxStrings.InsertItem(Index: Integer; const S: string);
-begin
-  inherited InsertItem(Index, S);
-
-  FOwner.InsertItem(Index); // Without this call, dynamically adding items won't work
-end;
-{$ENDIF}
-
 {------------------------------------------------------------------------------
   Method:  TCarbonListBoxStrings.InsertItem
   Params:  Index - Line index
diff --git a/lcl/interfaces/customdrawn/customdrawnwinapi.inc b/lcl/interfaces/customdrawn/customdrawnwinapi.inc
index c5c241df1c..d64c094dc0 100644
--- a/lcl/interfaces/customdrawn/customdrawnwinapi.inc
+++ b/lcl/interfaces/customdrawn/customdrawnwinapi.inc
@@ -4071,11 +4071,7 @@ begin
   TM.tmBreakChar := '?';
   TM.tmItalic := Ord(lFont.Italic);
   TM.tmUnderlined := Ord(lFont.Underline);
-  {$IF (FPC_FULLVERSION<=20600) or (FPC_FULLVERSION=20602)}
-  TM.tmStruckOut := Ord(lFont.StrikeTrough); //old version with typo
-  {$ELSE}
   TM.tmStruckOut := Ord(lFont.StrikeThrough);
-  {$ENDIF}
 
   { Defaults to a TrueType font.
     Note that the meaning of the FIXED_PITCH constant is the opposite of
diff --git a/lcl/interfaces/gtk2/gtk2defines.inc b/lcl/interfaces/gtk2/gtk2defines.inc
index 31b6a667a5..32f40b0dda 100644
--- a/lcl/interfaces/gtk2/gtk2defines.inc
+++ b/lcl/interfaces/gtk2/gtk2defines.inc
@@ -96,7 +96,5 @@
 // See http://bugs.freepascal.org/view.php?id=18966
 {$define Gtk2CallMouseDownBeforeContext}
 
-{$IF FPC_FULLVERSION>=20701}
-  {$OPTIMIZATION NOREMOVEEMPTYPROCS}
-{$ENDIF}
+{$OPTIMIZATION NOREMOVEEMPTYPROCS}
 
diff --git a/lcl/interfaces/gtk2/gtk2extrah.inc b/lcl/interfaces/gtk2/gtk2extrah.inc
index b7d7cb14c6..50fa476b52 100644
--- a/lcl/interfaces/gtk2/gtk2extrah.inc
+++ b/lcl/interfaces/gtk2/gtk2extrah.inc
@@ -15,9 +15,6 @@ uses
   xlib, x,
   {$endif}
   glib2, gdk2, gtk2, gtk2ext,
-  {$IF FPC_FULLVERSION<20600}
-  gdk2pixbuf,
-  {$ENDIF}
   {$ifdef HasGdk2X}
   gdk2x,
   {$endif}
@@ -45,12 +42,6 @@ const
   GTK_RESPONSE_LCL_IGNORE = -13;
   GTK_RESPONSE_LCL_NOTOALL = -14;
 
-{$IF FPC_FULLVERSION<20600}
-// missing declarations in fpc 2.2
-const
-   GTK_CELL_RENDERER_FOCUSED = 1 shl 4;
-{$ENDIF}
-
 {$IFNDEF MSWINDOWS} // this is required for compilation under windows
 {$if defined(HasX)} // This is required for compilation under Mac OS X
 var
@@ -83,35 +74,6 @@ type
     PANGO_GRAVITY_AUTO
   );
 
-{$IF FPC_FULLVERSION<20600}
-// ----------------- this pango symbols can be removed after fpc 2.2.4
-// pango 1.6
-  PPangoMatrix = ^TPangoMatrix;
-  TPangoMatrix = record
-    xx: double;
-    xy: double;
-    yx: double;
-    yy: double;
-    x0: double;
-    y0: double;
-  end;
-
-// pango 1.8
-
-  TPangoRenderer = pointer;
-  PPangoRenderer = ^TPangoRenderer;
-  TPangoRenderPart = (
-    PANGO_RENDER_PART_FOREGROUND,
-    PANGO_RENDER_PART_BACKGROUND,
-    PANGO_RENDER_PART_UNDERLINE,
-    PANGO_RENDER_PART_STRIKETHROUGH
-  );
-
-procedure pango_renderer_draw_layout(renderer: PPangoRenderer; layout: PPangoLayout; x, y: Integer); cdecl; external pangolib;
-procedure pango_matrix_translate(matrix: PPangoMatrix; tx, ty: double); cdecl; external pangolib;
-procedure pango_matrix_rotate(matrix: PPangoMatrix; degrees: double); cdecl; external pangolib;
-{$ENDIF}
-
 // ------------------end of symbold to remove --------------------------
 
 function pango_context_get_gravity(Context: PPangoContext): TPangoGravity; cdecl; external pangolib;
@@ -124,32 +86,13 @@ function pango_font_description_get_gravity(desc: PPangoFontDescription): TPango
 procedure pango_font_description_set_gravity(desc: PPangoFontDescription; gravity: TPangoGravity); cdecl; external pangolib;
 
 function pango_attr_gravity_new(gravity: TPangoGravity): PPangoAttribute; cdecl; external pangolib;
-
 function pango_version_check(required_major, required_minor, required_micro: integer): PChar; cdecl; external pangolib;
-
 procedure pango_extents_to_pixels(inclusive: PPangoRectangle; nearest: PPangoRectangle); cdecl; external pangolib;
 
-{$IF FPC_FULLVERSION<20501}
-function pango_font_family_is_monospace(family:PPangoFontFamily):gboolean; cdecl; external pangolib;
-{$ENDIF}
-
-
 // - - - - - - - - - gtk extras - - - - - - - - -
 
 // ----------------- this gtk symbols can be removed after fpc 2.2.4
 
-{$IF FPC_FULLVERSION<20600}
-// gtk 2.2
-function gtk_tree_path_new_from_indices(first_index: gint): PGtkTreePath; cdecl; varargs; external gtklib name 'gtk_tree_path_new_from_indices';
-
-// gtk 2.4
-procedure gtk_toolbar_insert(toolbar: PGtkToolBar; item: PGtkToolItem; pos: gint); cdecl; external gtklib name 'gtk_toolbar_insert';
-procedure gtk_event_box_set_visible_window(event_box: PGtkEventBox; visible_window: gboolean); cdecl; external gtklib name 'gtk_event_box_set_visible_window';
-procedure gtk_event_box_set_above_child(event_box: PGtkEventBox; visible_window: gboolean); cdecl; external gtklib name 'gtk_event_box_set_above_child';
-procedure gtk_draw_insertion_cursor(widget:PGtkWidget; drawable:PGdkDrawable; area:PGdkRectangle; location:PGdkRectangle; is_primary:gboolean;
-            direction:TGtkTextDirection; draw_arrow:gboolean); cdecl; external gtklib;
-{$ENDIF}
-
 // gtk 2.6
 type
   PGtkCellView = ^TGtkCellView;
@@ -278,9 +221,6 @@ const
 
 procedure gtk_menu_bar_set_pack_direction(menubar : PGtkMenuBar; pack_dir : TGtkPackDirection); cdecl; external gtklib;
 procedure gtk_menu_bar_set_child_pack_direction(menubar : PGtkMenuBar; pack_dir : TGtkPackDirection); cdecl; external gtklib;
-{$IF FPC_FULLVERSION<20600}
-procedure gtk_file_chooser_set_do_overwrite_confirmation(chooser:PGtkFileChooser; do_overwrite_confirmation:gboolean); cdecl; external gtklib;
-{$ENDIF}
 procedure gtk_icon_view_scroll_to_path(icon_view: PGtkIconView; path: PGtkTreePath; use_align: gboolean; row_align: gfloat; col_align: gfloat); cdecl; external gtklib;
 function gtk_icon_view_get_cursor(icon_view: PGtkIconView; var path: PGtkTreePath; var cell: PGtkCellRenderer): gboolean; cdecl; external gtklib;
 procedure gtk_icon_view_set_cursor(icon_view: PGtkIconView; path: PGtkTreePath; cell: PGtkCellRenderer; start_editing: gboolean); cdecl; external gtklib;
diff --git a/lcl/interfaces/qt/qtprivate.pp b/lcl/interfaces/qt/qtprivate.pp
index 1332bd85ad..0790f4305e 100644
--- a/lcl/interfaces/qt/qtprivate.pp
+++ b/lcl/interfaces/qt/qtprivate.pp
@@ -21,12 +21,6 @@ interface
 
 {$I qtdefines.inc}
 
-// todo: check if build macros can handle this and define it
-// in package LCL instead (it's needed for several widgetsets)
-{$if (FPC_FULLVERSION>=20701) OR (FPC_FULLVERSION>=20603)}
-{$define HAS_INHERITED_INSERTITEM}
-{$endif}
-
 uses
   // Bindings
   qt4,
@@ -50,9 +44,6 @@ type
     procedure SetSorted(AValue: Boolean);
   protected
     procedure Put(Index: Integer; const S: string); override;
-    {$IFNDEF HAS_INHERITED_INSERTITEM}
-    procedure InsertItem(Index: Integer; const S: string); override;
-    {$ENDIF}
     procedure InsertItem(Index: Integer; const S: string; O: TObject); override;
   public
     constructor Create(AWinControl: TWinControl; AOwner: TQtComboBox);
@@ -80,9 +71,6 @@ type
     FOwner: TQtListWidget;
   protected
     procedure Put(Index: Integer; const S: string); override;
-    {$IFNDEF HAS_INHERITED_INSERTITEM}
-    procedure InsertItem(Index: Integer; const S: string); override;
-    {$ENDIF}
     procedure InsertItem(Index: Integer; const S: string; O: TObject); override;
   public
     constructor Create(AWinControl: TWinControl; AOwner: TQtListWidget);
@@ -509,27 +497,6 @@ begin
   FOwner.EndUpdate;
 end;
 
-{$IFNDEF HAS_INHERITED_INSERTITEM}
-procedure TQtComboStrings.InsertItem(Index: Integer; const S: string);
-var
-  FSavedIndex: Integer;
-  FSavedText: WideString;
-begin
-  inherited InsertItem(Index, S);
-  FOwner.BeginUpdate;
-  FSavedText := FOwner.getText;
-  FSavedIndex := FOwner.currentIndex;
-  FOwner.insertItem(Index, S);
-  if FOwner.getEditable then
-  begin
-    if (FSavedIndex <> FOwner.currentIndex) then
-      FOwner.setCurrentIndex(FSavedIndex);
-    FOwner.setText(FSavedText);
-  end;
-  FOwner.EndUpdate;
-end;
-{$ENDIF}
-
 procedure TQtComboStrings.InsertItem(Index: Integer; const S: string; O: TObject);
 var
   FSavedIndex: Integer;
@@ -724,26 +691,7 @@ begin
     FOwner.EndUpdate;
   end;
 end;
-{$IFNDEF HAS_INHERITED_INSERTITEM}
-procedure TQtListStrings.InsertItem(Index: Integer; const S: string);
-begin
-  inherited InsertItem(Index, S);
-  if Assigned(FWinControl) and (FWinControl.HandleAllocated) then
-  begin
-    FOwner.BeginUpdate;
-    FOwner.insertItem(Index, S);
-    if FOwner is TQtCheckListBox then
-    begin
-      FOwner.ItemFlags[Index] := FOwner.ItemFlags[Index] or QtItemIsUserCheckable;
-      if TQtCheckListBox(FOwner).AllowGrayed then
-        FOwner.ItemFlags[Index] := FOwner.ItemFlags[Index] or QtItemIsTristate
-      else
-        FOwner.ItemFlags[Index] := FOwner.ItemFlags[Index] and not QtItemIsTristate;
-    end;
-    FOwner.EndUpdate;
-  end;
-end;
-{$ENDIF}
+
 procedure TQtListStrings.InsertItem(Index: Integer; const S: string; O: TObject);
 begin
   inherited InsertItem(Index, S, O);
diff --git a/lcl/interfaces/qt5/qtprivate.pp b/lcl/interfaces/qt5/qtprivate.pp
index 141d878037..9a6c3309ce 100644
--- a/lcl/interfaces/qt5/qtprivate.pp
+++ b/lcl/interfaces/qt5/qtprivate.pp
@@ -21,12 +21,6 @@ interface
 
 {$I qtdefines.inc}
 
-// todo: check if build macros can handle this and define it
-// in package LCL instead (it's needed for several widgetsets)
-{$if (FPC_FULLVERSION>=20701) OR (FPC_FULLVERSION>=20603)}
-{$define HAS_INHERITED_INSERTITEM}
-{$endif}
-
 uses
   // Bindings
   qt5,
@@ -50,9 +44,6 @@ type
     procedure SetSorted(AValue: Boolean);
   protected
     procedure Put(Index: Integer; const S: string); override;
-    {$IFNDEF HAS_INHERITED_INSERTITEM}
-    procedure InsertItem(Index: Integer; const S: string); override;
-    {$ENDIF}
     procedure InsertItem(Index: Integer; const S: string; O: TObject); override;
   public
     constructor Create(AWinControl: TWinControl; AOwner: TQtComboBox);
@@ -80,9 +71,6 @@ type
     FOwner: TQtListWidget;
   protected
     procedure Put(Index: Integer; const S: string); override;
-    {$IFNDEF HAS_INHERITED_INSERTITEM}
-    procedure InsertItem(Index: Integer; const S: string); override;
-    {$ENDIF}
     procedure InsertItem(Index: Integer; const S: string; O: TObject); override;
   public
     constructor Create(AWinControl: TWinControl; AOwner: TQtListWidget);
@@ -512,27 +500,6 @@ begin
   FOwner.EndUpdate;
 end;
 
-{$IFNDEF HAS_INHERITED_INSERTITEM}
-procedure TQtComboStrings.InsertItem(Index: Integer; const S: string);
-var
-  FSavedIndex: Integer;
-  FSavedText: WideString;
-begin
-  inherited InsertItem(Index, S);
-  FOwner.BeginUpdate;
-  FSavedText := FOwner.getText;
-  FSavedIndex := FOwner.currentIndex;
-  FOwner.insertItem(Index, S);
-  if FOwner.getEditable then
-  begin
-    if (FSavedIndex <> FOwner.currentIndex) then
-      FOwner.setCurrentIndex(FSavedIndex);
-    FOwner.setText(FSavedText);
-  end;
-  FOwner.EndUpdate;
-end;
-{$ENDIF}
-
 procedure TQtComboStrings.InsertItem(Index: Integer; const S: string; O: TObject);
 var
   FSavedIndex: Integer;
@@ -728,26 +695,7 @@ begin
     FOwner.EndUpdate;
   end;
 end;
-{$IFNDEF HAS_INHERITED_INSERTITEM}
-procedure TQtListStrings.InsertItem(Index: Integer; const S: string);
-begin
-  inherited InsertItem(Index, S);
-  if Assigned(FWinControl) and (FWinControl.HandleAllocated) then
-  begin
-    FOwner.BeginUpdate;
-    FOwner.insertItem(Index, S);
-    if FOwner is TQtCheckListBox then
-    begin
-      FOwner.ItemFlags[Index] := FOwner.ItemFlags[Index] or QtItemIsUserCheckable;
-      if TQtCheckListBox(FOwner).AllowGrayed then
-        FOwner.ItemFlags[Index] := FOwner.ItemFlags[Index] or QtItemIsTristate
-      else
-        FOwner.ItemFlags[Index] := FOwner.ItemFlags[Index] and not QtItemIsTristate;
-    end;
-    FOwner.EndUpdate;
-  end;
-end;
-{$ENDIF}
+
 procedure TQtListStrings.InsertItem(Index: Integer; const S: string; O: TObject);
 begin
   inherited InsertItem(Index, S, O);
diff --git a/lcl/interfaces/qt6/qtprivate.pp b/lcl/interfaces/qt6/qtprivate.pp
index c35263c664..42d06032b8 100644
--- a/lcl/interfaces/qt6/qtprivate.pp
+++ b/lcl/interfaces/qt6/qtprivate.pp
@@ -21,12 +21,6 @@ interface
 
 {$I qtdefines.inc}
 
-// todo: check if build macros can handle this and define it
-// in package LCL instead (it's needed for several widgetsets)
-{$if (FPC_FULLVERSION>=20701) OR (FPC_FULLVERSION>=20603)}
-{$define HAS_INHERITED_INSERTITEM}
-{$endif}
-
 uses
   // Bindings
   qt6,
@@ -50,9 +44,6 @@ type
     procedure SetSorted(AValue: Boolean);
   protected
     procedure Put(Index: Integer; const S: string); override;
-    {$IFNDEF HAS_INHERITED_INSERTITEM}
-    procedure InsertItem(Index: Integer; const S: string); override;
-    {$ENDIF}
     procedure InsertItem(Index: Integer; const S: string; O: TObject); override;
   public
     constructor Create(AWinControl: TWinControl; AOwner: TQtComboBox);
@@ -80,9 +71,6 @@ type
     FOwner: TQtListWidget;
   protected
     procedure Put(Index: Integer; const S: string); override;
-    {$IFNDEF HAS_INHERITED_INSERTITEM}
-    procedure InsertItem(Index: Integer; const S: string); override;
-    {$ENDIF}
     procedure InsertItem(Index: Integer; const S: string; O: TObject); override;
   public
     constructor Create(AWinControl: TWinControl; AOwner: TQtListWidget);
@@ -512,27 +500,6 @@ begin
   FOwner.EndUpdate;
 end;
 
-{$IFNDEF HAS_INHERITED_INSERTITEM}
-procedure TQtComboStrings.InsertItem(Index: Integer; const S: string);
-var
-  FSavedIndex: Integer;
-  FSavedText: WideString;
-begin
-  inherited InsertItem(Index, S);
-  FOwner.BeginUpdate;
-  FSavedText := FOwner.getText;
-  FSavedIndex := FOwner.currentIndex;
-  FOwner.insertItem(Index, S);
-  if FOwner.getEditable then
-  begin
-    if (FSavedIndex <> FOwner.currentIndex) then
-      FOwner.setCurrentIndex(FSavedIndex);
-    FOwner.setText(FSavedText);
-  end;
-  FOwner.EndUpdate;
-end;
-{$ENDIF}
-
 procedure TQtComboStrings.InsertItem(Index: Integer; const S: string; O: TObject);
 var
   FSavedIndex: Integer;
@@ -728,26 +695,7 @@ begin
     FOwner.EndUpdate;
   end;
 end;
-{$IFNDEF HAS_INHERITED_INSERTITEM}
-procedure TQtListStrings.InsertItem(Index: Integer; const S: string);
-begin
-  inherited InsertItem(Index, S);
-  if Assigned(FWinControl) and (FWinControl.HandleAllocated) then
-  begin
-    FOwner.BeginUpdate;
-    FOwner.insertItem(Index, S);
-    if FOwner is TQtCheckListBox then
-    begin
-      FOwner.ItemFlags[Index] := FOwner.ItemFlags[Index] or QtItemIsUserCheckable;
-      if TQtCheckListBox(FOwner).AllowGrayed then
-        FOwner.ItemFlags[Index] := FOwner.ItemFlags[Index] or QtItemIsTristate
-      else
-        FOwner.ItemFlags[Index] := FOwner.ItemFlags[Index] and not QtItemIsTristate;
-    end;
-    FOwner.EndUpdate;
-  end;
-end;
-{$ENDIF}
+
 procedure TQtListStrings.InsertItem(Index: Integer; const S: string; O: TObject);
 begin
   inherited InsertItem(Index, S, O);
diff --git a/lcl/interfaces/win32/win32callback.inc b/lcl/interfaces/win32/win32callback.inc
index c7104fb338..f582cfba22 100644
--- a/lcl/interfaces/win32/win32callback.inc
+++ b/lcl/interfaces/win32/win32callback.inc
@@ -1293,11 +1293,7 @@ procedure TWindowProcHelper.DoMsgChar(var WinResult: LResult);
 begin
   OrgCharCode := Word(WParam);
   // Process surrogate pairs later
-  {$IF FPC_FULLVERSION>=30000}
   if TCharacter.IsSurrogate(WideChar(OrgCharCode)) then
-  {$ELSE}
-  if False then
-  {$ENDIF}
     WinProcess := True
   // first send a IntfUTF8KeyPress to the LCL
   // if the key was not handled send a CN_CHAR for AnsiChar<=#127
diff --git a/lcl/interfaces/win32/win32int.pp b/lcl/interfaces/win32/win32int.pp
index 18de1fe852..d6a0dcfe55 100644
--- a/lcl/interfaces/win32/win32int.pp
+++ b/lcl/interfaces/win32/win32int.pp
@@ -31,9 +31,7 @@ interface
 uses
   Windows, // keep as first
   Classes, SysUtils, RtlConsts, ActiveX, MultiMon, CommCtrl, UxTheme, ctypes, DwmApi,
-  {$IF FPC_FULLVERSION>=30000}
   character,
-  {$ENDIF}
   // LCL
   LCLPlatformDef, InterfaceBase, LCLIntf, LclProc, LCLType, LMessages,
   Controls, Buttons, Forms, Dialogs, StdCtrls,
diff --git a/lcl/intfgraphics.pas b/lcl/intfgraphics.pas
index bbdca48911..a9f9db3e3d 100644
--- a/lcl/intfgraphics.pas
+++ b/lcl/intfgraphics.pas
@@ -599,23 +599,11 @@ const
   LazTiffSoftware = LazTiffExtraPrefix + 'Software';
 
 type
-  {$IF FPC_FULLVERSION<20601}
-  {$DEFINE OldTiffCreateImageHook}
-  {$ENDIF}
-
   TLazReaderTiff = class(TFPReaderTiff, ILazImageReader)
   private
     FUpdateDescription: Boolean;
-    {$IFDEF OldTiffCreateImageHook}
-    // the OnCreateImage event is "abused" to update the description after the
-    // format and before the image is read
-    FOrgEvent: TTiffCreateCompatibleImgEvent;
-    procedure CreateImageHook(Sender: TFPReaderTiff; var NewImage: TFPCustomImage);
-    procedure DoCreateImage(ImgFileDir: TTiffIDF);
-    {$ELSE}
   protected
     procedure DoCreateImage(ImgFileDir: TTiffIFD); override;
-    {$ENDIF}
   public
     function  GetUpdateDescription: Boolean;
     procedure SetUpdateDescription(AValue: Boolean);
@@ -6185,15 +6173,12 @@ begin
 end;
 {$ENDIF}
 
-procedure TLazReaderTiff.DoCreateImage(
-  ImgFileDir: {$IFDEF OldTiffCreateImageHook}TTiffIDF{$ELSE}TTiffIFD{$ENDIF});
+procedure TLazReaderTiff.DoCreateImage(ImgFileDir: TTiffIFD);
 var
   Desc: TRawImageDescription;
   IsAlpha, IsGray: Boolean;
 begin
-  {$IFNDEF OldTiffCreateImageHook}
   inherited;
-  {$ENDIF}
 
   if not FUpdateDescription then Exit;
   if not (theImage is TLazIntfImage) then Exit;
@@ -6266,15 +6251,7 @@ end;
 
 procedure TLazReaderTiff.InternalRead(Str: TStream; Img: TFPCustomImage);
 begin
-  {$IFDEF OldTiffCreateImageHook}
-  FOrgEvent := OnCreateImage;
-  OnCreateImage := @CreateImageHook;
   inherited InternalRead(Str, Img);
-  OnCreateImage := FOrgEvent;
-  FOrgEvent := nil;
-  {$ELSE}
-  inherited InternalRead(Str, Img);
-  {$ENDIF}
 end;
 
 function TLazReaderTiff.QueryInterface(constref iid: TGuid; out obj): longint; {$IFDEF WINDOWs}stdcall{$ELSE}cdecl{$ENDIF};
diff --git a/lcl/lazcanvas.pas b/lcl/lazcanvas.pas
index 1c9b65ec56..33d5d0e382 100644
--- a/lcl/lazcanvas.pas
+++ b/lcl/lazcanvas.pas
@@ -888,11 +888,7 @@ begin
   Font.Bold := AFont.Bold;
   Font.Italic := AFont.Italic;
   Font.Underline := AFont.Underline;
-  {$IF (FPC_FULLVERSION<=20600)}
-  Font.{%H-}StrikeTrough := AFont.{%H-}StrikeTrough; //old version with typo
-  {$ELSE}
   Font.StrikeThrough := AFont.StrikeThrough;
-  {$ENDIF}
 end;
 
 { TFPWindowsSharpInterpolation }
diff --git a/lcl/lclmemmanager.pas b/lcl/lclmemmanager.pas
index 481391a68e..fcade5712b 100644
--- a/lcl/lclmemmanager.pas
+++ b/lcl/lclmemmanager.pas
@@ -84,17 +84,11 @@ type
     procedure EnumerateItems(const Method: TLCLEnumItemsMethod);
   end;
 
-{$IF FPC_FULLVERSION>20402}
-  TStreamSizeType = PtrInt;
-{$ELSE}
-  TStreamSizeType = Longint;
-{$IFEND}
-
   { TExtMemoryStream }
   
   TExtMemoryStream = class(TMemoryStream)
   protected
-    function Realloc(var NewCapacity: TStreamSizeType): Pointer; override;
+    function Realloc(var NewCapacity: PtrInt): Pointer; override;
   public
     property Capacity;
   end;
@@ -274,7 +268,7 @@ end;
 
 { TExtMemoryStream }
 
-function TExtMemoryStream.Realloc(var NewCapacity: TStreamSizeType): Pointer;
+function TExtMemoryStream.Realloc(var NewCapacity: PtrInt): Pointer;
 begin
   // if we are growing, grow at least a quarter
   if (NewCapacity > Capacity) then
diff --git a/lcl/lclproc.pas b/lcl/lclproc.pas
index ea097b1631..18b3b5f308 100644
--- a/lcl/lclproc.pas
+++ b/lcl/lclproc.pas
@@ -1645,9 +1645,7 @@ begin
     vtPWideChar: s:=AnsiString(WideString(s)+Args[i].VPWideChar);
     vtWideChar: s:=AnsiString(WideString(s)+Args[i].VWideChar);
     vtWidestring: s:=AnsiString(WideString(s)+WideString(Args[i].VWideString));
-{$IF FPC_FULLVERSION>=20701}
     vtUnicodeString: s:=AnsiString(UnicodeString(s)+UnicodeString(Args[i].VUnicodeString));
-{$endif}
     vtObject: s:=s+DbgSName(Args[i].VObject);
     vtClass: s:=s+DbgSName(Args[i].VClass);
     vtPointer: s:=s+Dbgs(Args[i].VPointer);
diff --git a/lcl/lresources.pp b/lcl/lresources.pp
index ea2a3870f1..8a5d41c80d 100644
--- a/lcl/lresources.pp
+++ b/lcl/lresources.pp
@@ -800,8 +800,6 @@ end;
 
 function FindResourceLFM(ResName: string): HRSRC;
 {$if defined(WinCE)}
-//function FindResourceLFM(ResName: string): HRSRC;
-//{$if (FPC_FULLVERSION>=20605) and defined(WinCE)}
 var
   u: UnicodeString;
 begin