diff --git a/AMBuildScript b/AMBuildScript
index e176f77..f4b3279 100644
--- a/AMBuildScript
+++ b/AMBuildScript
@@ -370,7 +370,7 @@ class MMSConfig(object):
     if compiler.target.arch == 'x86_64':
       compiler.defines += ['X64BITS', 'PLATFORM_64BITS']
 
-    if sdk.name in ['css', 'hl2dm', 'dods', 'sdk2013', 'bms', 'tf2', 'l4d', 'nucleardawn', 'l4d2', 'dota']:
+    if sdk.name in ['sdk2013', 'bms', 'l4d', 'nucleardawn', 'l4d2', 'dota']:
       if compiler.target.platform in ['linux', 'mac']:
         compiler.defines += ['NO_HOOK_MALLOC', 'NO_MALLOC_OVERRIDE']