diff --git a/win/win32/vs2015/aftermakedefs.proj b/win/win32/vs2015/aftermakedefs.proj
index 20adf1b15..a48e685a7 100644
--- a/win/win32/vs2015/aftermakedefs.proj
+++ b/win/win32/vs2015/aftermakedefs.proj
@@ -7,7 +7,6 @@
 	<Exec Command="$(ToolsDir)makedefs.exe -v" WorkingDirectory="$(UtilDir)"/>
 	<Exec Command="$(ToolsDir)makedefs.exe -o" WorkingDirectory="$(UtilDir)"/>
 	<Exec Command="$(ToolsDir)makedefs.exe -p" WorkingDirectory="$(UtilDir)"/>
-	<Exec Command="$(ToolsDir)makedefs.exe -m" WorkingDirectory="$(UtilDir)"/>
 	<Exec Command="$(ToolsDir)makedefs.exe -z" WorkingDirectory="$(UtilDir)"/>
 	<Exec Command="$(ToolsDir)makedefs.exe -d" WorkingDirectory="$(DatDir)"/>
 	<Exec Command="$(ToolsDir)makedefs.exe -r" WorkingDirectory="$(DatDir)"/>
diff --git a/win/win32/vs2017/aftermakedefs.proj b/win/win32/vs2017/aftermakedefs.proj
index 744806639..4ebea25a4 100644
--- a/win/win32/vs2017/aftermakedefs.proj
+++ b/win/win32/vs2017/aftermakedefs.proj
@@ -7,7 +7,6 @@
 	<Exec Command="$(ToolsDir)makedefs.exe -v" WorkingDirectory="$(UtilDir)"/>
 	<Exec Command="$(ToolsDir)makedefs.exe -o" WorkingDirectory="$(UtilDir)"/>
 	<Exec Command="$(ToolsDir)makedefs.exe -p" WorkingDirectory="$(UtilDir)"/>
-	<Exec Command="$(ToolsDir)makedefs.exe -m" WorkingDirectory="$(UtilDir)"/>
 	<Exec Command="$(ToolsDir)makedefs.exe -z" WorkingDirectory="$(UtilDir)"/>
 	<Exec Command="$(ToolsDir)makedefs.exe -d" WorkingDirectory="$(DatDir)"/>
 	<Exec Command="$(ToolsDir)makedefs.exe -r" WorkingDirectory="$(DatDir)"/>