--- a/config.h.in.cmake
+++ b/config.h.in.cmake
@@ -13,8 +13,6 @@
 
 #if defined PANO13_FOUND
 #define HAS_PANO13 1
-#elif defined PANO12_FOUND
-#define HAS_PANO12 1
 #endif
 
 #cmakedefine APPLE