diff --git a/mingw-w64-headers/wine-import.sh b/mingw-w64-headers/wine-import.sh
index ddbe302..d50f5c1 100755
--- a/mingw-w64-headers/wine-import.sh
+++ b/mingw-w64-headers/wine-import.sh
@@ -29,6 +29,7 @@
     sed -i 's/\bBOOL    /WINBOOL /g' $dstfile
     sed -i 's/\bBOOL\b/WINBOOL/g' $dstfile
     sed -i 's/DECLSPEC_HIDDEN//g' $dstfile
+    sed -i 's/\b__WINE_ALLOC_SIZE([0-9]) //g' $dstfile
 }
 
 import_idl() {