diff --git a/src/encode/lzh.h b/src/encode/lzh.h
index 7b7d8aa2c5766f13c8d1b0ab25d51c97870def59..f3f5e4200b0a342081514e606d3e16075f290828 100644
--- a/src/encode/lzh.h
+++ b/src/encode/lzh.h
@@ -36,9 +36,6 @@
 #endif
 
 #ifdef _WIN32
-	#ifndef __FLAT__
-		#define __FLAT__
-	#endif
 	#ifdef __BORLANDC__
 		#define LZHCALL __stdcall
 	#else