diff --git a/components/turbopower_ipro/turbopoweripro.pas b/components/turbopower_ipro/turbopoweripro.pas
index d2a923f599..8922d5b5f5 100644
--- a/components/turbopower_ipro/turbopoweripro.pas
+++ b/components/turbopower_ipro/turbopoweripro.pas
@@ -4,6 +4,7 @@
 
 unit TurboPowerIPro;
 
+{$warn 5023 off : no warning about unused units}
 interface
 
 uses
@@ -23,3 +24,4 @@ end;
 initialization
   RegisterPackage('TurboPowerIPro', @Register);
 end.
+
diff --git a/components/vlc/lazvlc.pas b/components/vlc/lazvlc.pas
index 2b16bdec58..3c730ef7b2 100644
--- a/components/vlc/lazvlc.pas
+++ b/components/vlc/lazvlc.pas
@@ -4,6 +4,7 @@
 
 unit lazvlc;
 
+{$warn 5023 off : no warning about unused units}
 interface
 
 uses
diff --git a/components/wiki/lazwiki/lazwiki.pas b/components/wiki/lazwiki/lazwiki.pas
index 1546efdaea..641b052d51 100644
--- a/components/wiki/lazwiki/lazwiki.pas
+++ b/components/wiki/lazwiki/lazwiki.pas
@@ -4,6 +4,7 @@
 
 unit LazWiki;
 
+{$warn 5023 off : no warning about unused units}
 interface
 
 uses