diff --git a/parser/parser.go b/parser/parser.go
index 227962f8f5c98..3e77d36715aff 100644
--- a/parser/parser.go
+++ b/parser/parser.go
@@ -16766,6 +16766,10 @@ yynewstate:
 			// TODO: check flen 0
 			x := types.NewFieldType(yyS[yypt-2].item.(byte))
 			x.Flen = yyS[yypt-1].item.(int)
+			if yyS[yypt-1].item.(int) != types.UnspecifiedLength {
+				yylex.AppendError(yylex.Errorf("Integer display width is deprecated and will be removed in a future release."))
+				parser.lastErrorAsWarn()
+			}
 			for _, o := range yyS[yypt-0].item.([]*ast.TypeOpt) {
 				if o.IsUnsigned {
 					x.Flag |= mysql.UnsignedFlag
diff --git a/parser/parser.y b/parser/parser.y
index 6ea96e7f09da3..834aa260c757e 100644
--- a/parser/parser.y
+++ b/parser/parser.y
@@ -9791,6 +9791,10 @@ NumericType:
 		// TODO: check flen 0
 		x := types.NewFieldType($1.(byte))
 		x.Flen = $2.(int)
+		if $2.(int) != types.UnspecifiedLength {
+			yylex.AppendError(yylex.Errorf("Integer display width is deprecated and will be removed in a future release."))
+			parser.lastErrorAsWarn()
+		}
 		for _, o := range $3.([]*ast.TypeOpt) {
 			if o.IsUnsigned {
 				x.Flag |= mysql.UnsignedFlag
diff --git a/parser/yy_parser.go b/parser/yy_parser.go
index bab5f86a744ca..24ccb7dc0be49 100644
--- a/parser/yy_parser.go
+++ b/parser/yy_parser.go
@@ -49,6 +49,10 @@ var (
 	ErrUnknownAlterAlgorithm = terror.ClassParser.New(mysql.ErrUnknownAlterAlgorithm, mysql.MySQLErrName[mysql.ErrUnknownAlterAlgorithm])
 	// ErrWrongValue returns for wrong value
 	ErrWrongValue = terror.ClassParser.New(mysql.ErrWrongValue, mysql.MySQLErrName[mysql.ErrWrongValue])
+	// ErrWarnDeprecatedSyntaxNoReplacement return when the syntax was deprecated and there is no replacement.
+	ErrWarnDeprecatedSyntaxNoReplacement = terror.ClassParser.New(mysql.ErrWarnDeprecatedSyntaxNoReplacement, mysql.MySQLErrName[mysql.ErrWarnDeprecatedSyntaxNoReplacement])
+	// ErrWarnDeprecatedIntegerDisplayWidth share the same code 1681, and it will be returned when length is specified in integer.
+	ErrWarnDeprecatedIntegerDisplayWidth = terror.ClassParser.New(mysql.ErrWarnDeprecatedSyntaxNoReplacement, "Integer display width is deprecated and will be removed in a future release.")
 	// SpecFieldPattern special result field pattern
 	SpecFieldPattern = regexp.MustCompile(`(\/\*!(M?[0-9]{5,6})?|\*\/)`)
 	specCodeStart    = regexp.MustCompile(`^\/\*!(M?[0-9]{5,6})?[ \t]*`)