diff --git a/Headers/Foundation/FoundationErrors.h b/Headers/Foundation/FoundationErrors.h
index 719517d67..2c62fadb3 100644
--- a/Headers/Foundation/FoundationErrors.h
+++ b/Headers/Foundation/FoundationErrors.h
@@ -86,7 +86,6 @@ enum
 #endif
 
 #if OS_API_VERSION(MAC_OS_X_VERSION_10_7, GS_API_LATEST)
-  NSFileWriteFileExistsError = 516, 
 #endif
 
 #if OS_API_VERSION(MAC_OS_X_VERSION_10_8, GS_API_LATEST)