diff --git a/src/Parsers/ParserDataType.cpp b/src/Parsers/ParserDataType.cpp
index b0db5430726..63a73ff4d1c 100644
--- a/src/Parsers/ParserDataType.cpp
+++ b/src/Parsers/ParserDataType.cpp
@@ -97,21 +97,6 @@ bool ParserDataType::parseImpl(Pos & pos, ASTPtr & node, Expected & expected)
             type_name_suffix = "SIGNED";
         else if (ParserKeyword("UNSIGNED").ignore(pos))
             type_name_suffix = "UNSIGNED";
-        else if (pos->type == TokenType::OpeningRoundBracket)
-        {
-            ++pos;
-            if (pos->type != TokenType::Number)
-                return false;
-            ++pos;
-            if (pos->type != TokenType::ClosingRoundBracket)
-               return false;
-            ++pos;
-            if (ParserKeyword("SIGNED").ignore(pos))
-                type_name_suffix = "SIGNED";
-            else if (ParserKeyword("UNSIGNED").ignore(pos))
-                type_name_suffix = "UNSIGNED";
-        }
-
     }
 
     if (!type_name_suffix.empty())
diff --git a/tests/queries/0_stateless/00841_temporary_table_database.reference b/tests/queries/0_stateless/00841_temporary_table_database.reference
index f22f30a4b2a..d00491fd7e5 100644
--- a/tests/queries/0_stateless/00841_temporary_table_database.reference
+++ b/tests/queries/0_stateless/00841_temporary_table_database.reference
@@ -1,5 +1 @@
 1
-CREATE TEMPORARY TABLE t3_00841\n(\n    `x` UInt32\n)\nENGINE = Memory
-1
-CREATE TEMPORARY TABLE t4_00841\n(\n    `x` Int32\n)\nENGINE = Memory
-1
diff --git a/tests/queries/0_stateless/00841_temporary_table_database.sql b/tests/queries/0_stateless/00841_temporary_table_database.sql
index 96faa0e779b..a5927a4cd33 100644
--- a/tests/queries/0_stateless/00841_temporary_table_database.sql
+++ b/tests/queries/0_stateless/00841_temporary_table_database.sql
@@ -3,13 +3,3 @@ INSERT INTO t1_00841 VALUES (1);
 SELECT * FROM t1_00841;
 
 CREATE TEMPORARY TABLE test.t2_00841 (x UInt8); -- { serverError 442 }
-
-CREATE TEMPORARY TABLE t3_00841 (x INT(11) UNSIGNED);
-SHOW CREATE TEMPORARY TABLE t3_00841;
-INSERT INTO t3_00841 VALUES (1);
-SELECT * FROM t3_00841;
-
-CREATE TEMPORARY TABLE t4_00841 (x INT(11) SIGNED);
-SHOW CREATE TEMPORARY TABLE t4_00841;
-INSERT INTO t4_00841 VALUES (1);
-SELECT * FROM t4_00841;