diff --git a/include/internal/catch_common.h b/include/internal/catch_common.h
index 269643ae..fa04044a 100644
--- a/include/internal/catch_common.h
+++ b/include/internal/catch_common.h
@@ -18,9 +18,6 @@
 #  define INTERNAL_CATCH_UNIQUE_NAME( name ) INTERNAL_CATCH_UNIQUE_NAME_LINE( name, __LINE__ )
 #endif
 
-#define INTERNAL_CATCH_STRINGIFY2( expr ) #expr
-#define INTERNAL_CATCH_STRINGIFY( expr ) INTERNAL_CATCH_STRINGIFY2( expr )
-
 #include <iosfwd>
 #include <string>
 #include <cstdint>