diff --git a/Source/7zip/LZMADecode.h b/Source/7zip/LZMADecode.h
index 78bdfb7e..aad361dc 100644
--- a/Source/7zip/LZMADecode.h
+++ b/Source/7zip/LZMADecode.h
@@ -20,7 +20,7 @@ Converted to a state machine by Amir Szekely
 /* It can increase speed on some 32-bit CPUs, 
    but memory usage will be doubled in that case */
 
-#define lzmaalloc my_GlobalAlloc
+#define lzmaalloc(bytes) GlobalAlloc(GPTR,bytes)
 #define lzmafree GlobalFree
 
 /***********************
diff --git a/Source/exehead/util.h b/Source/exehead/util.h
index f285646a..8315cd57 100644
--- a/Source/exehead/util.h
+++ b/Source/exehead/util.h
@@ -53,7 +53,6 @@ extern char g_log_file[1024];
 
 HANDLE NSISCALL myCreateProcess(char *cmd, char *dir);
 int NSISCALL my_MessageBox(const char *text, UINT type);
-void * NSISCALL my_GlobalAlloc(DWORD dwBytes);
 
 void NSISCALL myDelete(char *buf, int flags);