diff --git a/Lib/KolibriOS.pas b/Lib/KolibriOS.pas
index b047f3c..8d76ce3 100644
--- a/Lib/KolibriOS.pas
+++ b/Lib/KolibriOS.pas
@@ -9,14 +9,6 @@ unit KolibriOS;
 interface
 
 type
-  KolibriChar = AnsiChar;
-  PKolibriChar = PAnsiChar;
-  PPKolibriChar = PPAnsiChar;
-
-{$IF CompilerVersion < 15}
-  UInt64 = Int64;
-{$IFEND}
-
   TSize = packed record
     Height: Word;
     Width:  Word;
diff --git a/RTL/System.pas b/RTL/System.pas
index fd5581b..e74fc35 100644
--- a/RTL/System.pas
+++ b/RTL/System.pas
@@ -9,6 +9,14 @@ interface
 type
   PPAnsiChar = ^PAnsiChar;
 
+  KolibriChar = AnsiChar;
+  PKolibriChar = PAnsiChar;
+  PPKolibriChar = PPAnsiChar;
+
+{$IF CompilerVersion < 15}
+  UInt64 = Int64;
+{$IFEND}
+
   THandle = LongWord;
 
   PByte = ^Byte;