diff --git a/cui/source/dialogs/winpluginlib.cxx b/cui/source/dialogs/winpluginlib.cxx
index 25fa4a3c5f41..237e33b1e9e1 100644
--- a/cui/source/dialogs/winpluginlib.cxx
+++ b/cui/source/dialogs/winpluginlib.cxx
@@ -38,7 +38,7 @@
 #include <stdio.h>
 
 #define SO_PATH_SIZE        4096
-#define MOZ_PLUGIN_DLL_NAME "npsopluginmi.dll"
+
 extern "C" {
 int lc_isInstalled(const  char* realFilePath)
 {