diff --git a/src/common/searchpath.h b/src/common/searchpath.h
index 974886a67..f078c0799 100644
--- a/src/common/searchpath.h
+++ b/src/common/searchpath.h
@@ -48,10 +48,6 @@
 
 
 
-/* Convert argument to C string */
-#define _STRINGIZE(arg) #arg
-#define  STRINGIZE(arg) _STRINGIZE(arg)
-
 /* A search path is a pointer to the list */
 typedef struct Collection SearchPaths;