diff --git a/oamapps/columnstoreSupport/mcsSupportUtil.h b/oamapps/columnstoreSupport/mcsSupportUtil.h
index 1c7eb0bd3..acfb3f696 100644
--- a/oamapps/columnstoreSupport/mcsSupportUtil.h
+++ b/oamapps/columnstoreSupport/mcsSupportUtil.h
@@ -32,13 +32,6 @@ void getSystemNetworkConfig(FILE * pOutputFile);
 void getModuleTypeConfig(FILE * pOutputFile);
 void getStorageConfig(FILE * pOutputFile);
 void getStorageStatus(FILE * pOutputFile);
-void getSystemInfo(FILE * pOutputFile);
-void getSystemDirectories(FILE * pOutputFile);
 
-void printSystemStatus(FILE * pOutputFile);
-void printProcessStatus(FILE * pOutputFile);
-void printAlarmSummary(FILE * pOutputFile);
-
-void getActiveSql(FILE * pOutputFile);
 
 #endif