diff --git a/packages/fcl-fpcunit/fpmake.pp b/packages/fcl-fpcunit/fpmake.pp
index ce8a295c91..3df238ea05 100644
--- a/packages/fcl-fpcunit/fpmake.pp
+++ b/packages/fcl-fpcunit/fpmake.pp
@@ -30,7 +30,7 @@ begin
     P.Email := '';
     P.Description := 'Unit testing system inspired by JUnit of Free Component Libraries (FCL), FPC''s OOP library.';
     P.NeedLibC:= false;
-    P.OSes := P.OSes - [embedded,nativent,msdos,win16,atari];
+    P.OSes := P.OSes - [embedded,nativent,msdos,win16];
 
     P.SourcePath.Add('src');
     P.IncludePath.Add('src');
diff --git a/packages/fcl-image/fpmake.pp b/packages/fcl-image/fpmake.pp
index 6b7b3c2ae9..89bce2242f 100644
--- a/packages/fcl-image/fpmake.pp
+++ b/packages/fcl-image/fpmake.pp
@@ -28,7 +28,7 @@ begin
     P.Email := '';
     P.Description := 'Image loading and conversion parts of Free Component Libraries (FCL), FPC''s OOP library.';
     P.NeedLibC:= false;
-    P.OSes := P.OSes - [embedded,nativent,msdos,win16,atari];
+    P.OSes := P.OSes - [embedded,nativent,msdos,win16];
 
     P.SourcePath.Add('src');
     P.IncludePath.Add('src');
diff --git a/packages/fcl-pdf/fpmake.pp b/packages/fcl-pdf/fpmake.pp
index 7b3912fb5b..0e9403ea43 100644
--- a/packages/fcl-pdf/fpmake.pp
+++ b/packages/fcl-pdf/fpmake.pp
@@ -24,7 +24,7 @@ begin
     P.Email := '';
     P.Description := 'PDF generating and TTF file info library';
     P.NeedLibC:= false;
-    P.OSes:=P.OSes-[embedded,win16,msdos,nativent,atari];
+    P.OSes:=P.OSes-[embedded,win16,msdos,nativent];
     P.Dependencies.Add('rtl-objpas');
     P.Dependencies.Add('fcl-base');
     P.Dependencies.Add('fcl-image');
diff --git a/packages/paszlib/fpmake.pp b/packages/paszlib/fpmake.pp
index acd1b9f52d..b1916514b5 100644
--- a/packages/paszlib/fpmake.pp
+++ b/packages/paszlib/fpmake.pp
@@ -20,7 +20,7 @@ begin
     P.Directory:=ADirectory;
 {$endif ALLPACKAGES}
     P.Version:='3.1.1';
-    P.OSes := P.OSes - [embedded,nativent,msdos,win16,atari];
+    P.OSes := P.OSes - [embedded,nativent,msdos,win16];
 
     D:=P.Dependencies.Add('hash');
       D.Version:='3.1.1';
diff --git a/packages/unzip/fpmake.pp b/packages/unzip/fpmake.pp
index 37b87849d6..ea2fdb9905 100644
--- a/packages/unzip/fpmake.pp
+++ b/packages/unzip/fpmake.pp
@@ -20,7 +20,7 @@ begin
 {$endif ALLPACKAGES}
     P.Version:='3.1.1';
     P.SourcePath.Add('src');
-    P.OSes := P.OSes - [embedded,nativent,msdos,win16,atari];
+    P.OSes := P.OSes - [embedded,nativent,msdos,win16];
 
     T:=P.Targets.AddUnit('unzip51g.pp');
       with T.Dependencies do