diff --git a/source/Lib/EncoderLib/EncModeCtrl.h b/source/Lib/EncoderLib/EncModeCtrl.h
index 72851b5ec2a98e9df67aa7ccfb5f2d7b2b55ce7b..6478f405b8b7f3cf5dd8457391454b8e8a51532d 100644
--- a/source/Lib/EncoderLib/EncModeCtrl.h
+++ b/source/Lib/EncoderLib/EncModeCtrl.h
@@ -719,6 +719,7 @@ void forceQTonlyMode()
   }
 }
 
+#if !JVET_AC0139_UNIFIED_MERGE
 const char* printType(EncTestModeType type)
 {
   char *ret;
@@ -762,6 +763,7 @@ void printMode()
   printf("]\n");
 }
 #endif
+#endif
 
 protected:
   void xExtractFeatures ( const EncTestMode encTestmode, CodingStructure& cs );