diff --git a/src/share/parameter/ob_parameter_seed.ipp b/src/share/parameter/ob_parameter_seed.ipp
index ae229e83b6..c0bffc6b67 100644
--- a/src/share/parameter/ob_parameter_seed.ipp
+++ b/src/share/parameter/ob_parameter_seed.ipp
@@ -735,10 +735,6 @@ DEF_INT(clog_disk_usage_limit_percentage, OB_CLUSTER_PARAMETER, "95", "[80, 100]
     "clog_disk_utilization_threshold. "
     "Range: [80, 100]",
     ObParameterAttr(Section::TRANS, Source::DEFAULT, EditLevel::DYNAMIC_EFFECTIVE));
-DEF_CAP(clog_usage_limit_size, OB_CLUSTER_PARAMETER, "2048G", "[256MB,)",
-    "the size of the total clog file size limited per server. "
-    "Range: [256M,)",
-    ObParameterAttr(Section::TRANS, Source::DEFAULT, EditLevel::DYNAMIC_EFFECTIVE));
 DEF_INT(clog_disk_utilization_threshold, OB_CLUSTER_PARAMETER, "80", "[10, 100)",
     "clog disk utilization threshold before reuse clog files, should be less than clog_disk_usage_limit_percentage. "
     "Range: [10, 100)",
diff --git a/src/share/redolog/ob_log_file_store.cpp b/src/share/redolog/ob_log_file_store.cpp
index ddefe308be..7cecebb782 100644
--- a/src/share/redolog/ob_log_file_store.cpp
+++ b/src/share/redolog/ob_log_file_store.cpp
@@ -16,7 +16,6 @@
 #include "ob_log_file_store.h"
 #include "lib/file/file_directory_utils.h"
 #include "storage/blocksstable/ob_store_file_system.h"
-#include "share/config/ob_server_config.h"
 
 namespace oceanbase {
 using namespace clog;
@@ -870,17 +869,11 @@ const char* ObLogFileStore::get_dir_name() const
 int ObLogFileStore::get_total_disk_space(int64_t& total_space) const
 {
   int ret = OB_SUCCESS;
-  int64_t config_size = 0;
-  int64_t disk_size = 0;
   if (IS_NOT_INIT) {
     ret = OB_NOT_INIT;
     COMMON_LOG(WARN, "not inited", K(ret));
-  } else if (FALSE_IT(config_size = ObServerConfig::get_instance().clog_usage_limit_size)) {
-    // do nothing
-  } else if (OB_FAIL(disk_mgr_->get_total_disk_space(disk_size))) {
+  } else if (OB_FAIL(disk_mgr_->get_total_disk_space(total_space))) {
     COMMON_LOG(ERROR, "get total disk space fail", K(ret));
-  } else {
-    total_space = common::min(config_size, disk_size);
   }
   return ret;
 }