diff --git a/src/Interpreters/Cache/SLRUFileCachePriority.cpp b/src/Interpreters/Cache/SLRUFileCachePriority.cpp
index dfc3686683d..02ef91c6aa2 100644
--- a/src/Interpreters/Cache/SLRUFileCachePriority.cpp
+++ b/src/Interpreters/Cache/SLRUFileCachePriority.cpp
@@ -10,11 +10,6 @@
 namespace DB
 {
 
-namespace ErrorCodes
-{
-    extern const int LOGICAL_ERROR;
-}
-
 namespace
 {
     size_t getRatio(size_t total, double ratio)