diff --git a/src/mizugaki/parser/sql_parser.yy b/src/mizugaki/parser/sql_parser.yy
index da5c47d..bbc06f7 100644
--- a/src/mizugaki/parser/sql_parser.yy
+++ b/src/mizugaki/parser/sql_parser.yy
@@ -664,11 +664,8 @@
 %token OWNED "OWNED"
 %token PLACING "PLACING"
 
-%token BYTE "BYTE"
-%token BYTEVAR "BYTEVAR"
-
 %token VARBIT "VARBIT"
-%token VARBYTE "VARBYTE"
+%token VARBINARY "VARBINARY"
 
 %token TINYINT "TINYINT"
 %token BIGINT "BIGINT"
@@ -3786,7 +3783,7 @@ data_type_system
                     $s,
                     @$);
         }
-    | BYTE[k] parenthesized_size_opt[s]
+    | BINARY[k] parenthesized_size_opt[s]
         {
             $$ = driver.node<ast::type::octet_string>(
                     regioned { ast::type::kind::octet, @k },
@@ -3949,9 +3946,8 @@ bit_varying_type_name
     ;
 
 octet_varying_type_name
-    : BYTE VARYING
-    | BYTEVAR
-    | VARBYTE
+    : BINARY VARYING
+    | VARBINARY
     ;
 
 decimal_type_name
diff --git a/src/mizugaki/parser/sql_scanner.ll b/src/mizugaki/parser/sql_scanner.ll
index c5c4591..ece5159 100644
--- a/src/mizugaki/parser/sql_scanner.ll
+++ b/src/mizugaki/parser/sql_scanner.ll
@@ -422,10 +422,8 @@ host_parameter_name ":"{identifier}
 "IF" { return parser_type::make_IF(location()); }
 "INDEX" { return parser_type::make_INDEX(location()); }
 
-"BYTE" { return parser_type::make_BYTE(location()); }
-"BYTEVAR" { return parser_type::make_BYTEVAR(location()); }
 "VARBIT" { return parser_type::make_VARBIT(location()); }
-"VARBYTE" { return parser_type::make_VARBYTE(location()); }
+"VARBINARY" { return parser_type::make_VARBINARY(location()); }
 
 "PLACING" { return parser_type::make_PLACING(location()); }
 "TINYINT" { return parser_type::make_TINYINT(location()); }
diff --git a/test/mizugaki/parser/sql_parser_type_test.cpp b/test/mizugaki/parser/sql_parser_type_test.cpp
index 29cafb7..8b6e7ca 100644
--- a/test/mizugaki/parser/sql_parser_type_test.cpp
+++ b/test/mizugaki/parser/sql_parser_type_test.cpp
@@ -155,7 +155,7 @@ TEST_F(sql_parser_type_test, bit_varying_flexible) {
 }
 
 TEST_F(sql_parser_type_test, octet) {
-    auto result = parse("BYTE");
+    auto result = parse("BINARY");
     ASSERT_TRUE(result) << diagnostics(result);
 
     EXPECT_EQ(extract(result), (type::octet_string {
@@ -164,7 +164,7 @@ TEST_F(sql_parser_type_test, octet) {
 }
 
 TEST_F(sql_parser_type_test, octet_length) {
-    auto result = parse("BYTE(16)");
+    auto result = parse("BINARY(16)");
     ASSERT_TRUE(result) << diagnostics(result);
 
     EXPECT_EQ(extract(result), (type::octet_string {
@@ -174,7 +174,7 @@ TEST_F(sql_parser_type_test, octet_length) {
 }
 
 TEST_F(sql_parser_type_test, octet_varying) {
-    auto result = parse("BYTE VARYING(256)");
+    auto result = parse("BINARY VARYING(256)");
     ASSERT_TRUE(result) << diagnostics(result);
 
     EXPECT_EQ(extract(result), (type::octet_string {
@@ -184,7 +184,7 @@ TEST_F(sql_parser_type_test, octet_varying) {
 }
 
 TEST_F(sql_parser_type_test, octet_varying_flexible) {
-    auto result = parse("VARBYTE(*)");
+    auto result = parse("VARBINARY(*)");
     ASSERT_TRUE(result) << diagnostics(result);
 
     EXPECT_EQ(extract(result), (type::octet_string {