diff --git a/services/param/adapter/param_dac.c b/services/param/adapter/param_dac.c
index c6164a4e2a737fb9e8ee43a85261b6b0e2e4e25a..a9aad0bb2b25e5f7e8f5028778f824a00576b5e6 100755
--- a/services/param/adapter/param_dac.c
+++ b/services/param/adapter/param_dac.c
@@ -183,6 +183,7 @@ static int CheckFilePermission(const ParamSecurityLabel *localLabel, const char
     return 0;
 }
 
+#ifdef PARAM_SUPPORT_DAC_CHECK
 static int CheckUserInGroup(gid_t groupId, uid_t uid)
 {
     static char buffer[255] = {0}; // 255 max size
@@ -214,6 +215,7 @@ static int CheckUserInGroup(gid_t groupId, uid_t uid)
     }
     return -1;
 }
+#endif
 
 static int CheckParamPermission(const ParamSecurityLabel *srcLabel, const ParamAuditData *auditData, uint32_t mode)
 {