diff --git a/src/AggregateFunctions/AggregateFunctionGroupArraySorted.cpp b/src/AggregateFunctions/AggregateFunctionGroupArraySorted.cpp
index 5eb20f9d14da..751bc4630e7a 100644
--- a/src/AggregateFunctions/AggregateFunctionGroupArraySorted.cpp
+++ b/src/AggregateFunctions/AggregateFunctionGroupArraySorted.cpp
@@ -41,7 +41,6 @@ namespace ErrorCodes
 {
     extern const int NUMBER_OF_ARGUMENTS_DOESNT_MATCH;
     extern const int BAD_ARGUMENTS;
-    extern const int UNSUPPORTED_METHOD;
     extern const int TOO_LARGE_ARRAY_SIZE;
 }