diff --git a/dlls/strmbase/dllfunc.c b/dlls/strmbase/dllfunc.c
index 61ec283a621..195a4097ee9 100644
--- a/dlls/strmbase/dllfunc.c
+++ b/dlls/strmbase/dllfunc.c
@@ -51,7 +51,6 @@ static LONG server_locks = 0;
 /*
  * defines and constants
  */
-#define MAX_KEY_LEN  260
 
 static const WCHAR clsid_keyname[] = {'C','L','S','I','D',0 };
 static const WCHAR ips32_keyname[] = {'I','n','P','r','o','c','S','e','r','v','e','r','3','2',0};