diff --git a/engine/shared/library/sharedFoundation/src/linux/PlatformGlue.h b/engine/shared/library/sharedFoundation/src/linux/PlatformGlue.h
index 0cab423f..867d7086 100755
--- a/engine/shared/library/sharedFoundation/src/linux/PlatformGlue.h
+++ b/engine/shared/library/sharedFoundation/src/linux/PlatformGlue.h
@@ -19,7 +19,6 @@ const BOOL FALSE = 0;
 const BOOL TRUE = 1;
 
 
-float abs(float x);
 int _stricmp(const char* string1, const char* string2);
 
 //String to numeric conversions