diff --git a/src/Functions/FunctionBinaryArithmetic.h b/src/Functions/FunctionBinaryArithmetic.h
index baa3c65537d..d7f85832d4e 100644
--- a/src/Functions/FunctionBinaryArithmetic.h
+++ b/src/Functions/FunctionBinaryArithmetic.h
@@ -898,11 +898,7 @@ class FunctionBinaryArithmetic : public IFunction
         if (isDateOrDate32(arguments[1].type) || isDateTime(arguments[1].type) || isDateTime64(arguments[1].type))
             std::swap(new_arguments[0], new_arguments[1]);
 
-        /// Change interval argument type to its representation
-        new_arguments[1].type = std::make_shared<DataTypeNumber<DataTypeInterval::FieldType>>();
-
         auto function = function_builder->build(new_arguments);
-
         return function->execute(new_arguments, result_type, input_rows_count);
     }