diff --git a/src/Functions/generateRandomStructure.cpp b/src/Functions/generateRandomStructure.cpp
index c27c8428cb0..11b6f7877e1 100644
--- a/src/Functions/generateRandomStructure.cpp
+++ b/src/Functions/generateRandomStructure.cpp
@@ -18,7 +18,6 @@ namespace ErrorCodes
 {
     extern const int NUMBER_OF_ARGUMENTS_DOESNT_MATCH;
     extern const int ILLEGAL_TYPE_OF_ARGUMENT;
-    extern const int ILLEGAL_COLUMN;
     extern const int BAD_ARGUMENTS;
 }
 
@@ -242,7 +241,7 @@ private:
                     return String(magic_enum::enum_name<SimpleTypes>(type));
             }
         }
-        
+
         auto complex_type = magic_enum::enum_value<ComplexTypes>(type_index - simple_types_size);
         switch (complex_type)
         {