diff --git a/src/IO/RemoteReadBufferCache.cpp b/src/IO/RemoteReadBufferCache.cpp
index d7781ee27b1..9df0fa25329 100644
--- a/src/IO/RemoteReadBufferCache.cpp
+++ b/src/IO/RemoteReadBufferCache.cpp
@@ -23,7 +23,6 @@ namespace ErrorCodes
 {
     extern const int BAD_ARGUMENTS;
     extern const int LOGICAL_ERROR;
-    extern const int CANNOT_CREATE_DIRECTORY;
 }
 
 bool RemoteCacheController::loadInnerInformation(const fs::path & file_path)
diff --git a/src/Storages/Hive/StorageHive.cpp b/src/Storages/Hive/StorageHive.cpp
index bd53ce22925..49abc8287a4 100644
--- a/src/Storages/Hive/StorageHive.cpp
+++ b/src/Storages/Hive/StorageHive.cpp
@@ -371,7 +371,7 @@ ASTPtr StorageHive::extractKeyExpressionList(const ASTPtr & node)
         /// Primary key consists of one column.
         auto res = std::make_shared<ASTExpressionList>();
         res->children.push_back(node);
-        return std::move(res);
+        return res;
     }
 }