diff --git a/src/misc.c b/src/misc.c
index ccd6563be..784edbe26 100644
--- a/src/misc.c
+++ b/src/misc.c
@@ -416,7 +416,6 @@ char * clipboard_pull_text()
 
 int register_extension()
 {
-#if defined INSTALLABLE
 #if defined WIN32
 	LONG rresult;
 	HKEY newkey;
@@ -487,9 +486,6 @@ int register_extension()
 #elif defined MACOSX
 	return 0;
 #endif
-#else
-	return 0;
-#endif
 }
 
 vector2d v2d_zero = {0,0};