diff --git a/.changes/unreleased/Features-20230725-122847.yaml b/.changes/unreleased/Features-20230725-122847.yaml
deleted file mode 100644
index 03f3b5a1885..00000000000
--- a/.changes/unreleased/Features-20230725-122847.yaml
+++ /dev/null
@@ -1,6 +0,0 @@
-kind: Features
-body: Supports non half width alphanumeric for generic test
-time: 2023-07-25T12:28:47.88711+09:00
-custom:
-  Author: d-kaneshiro
-  Issue: "8204"
diff --git a/core/dbt/parser/generic_test_builders.py b/core/dbt/parser/generic_test_builders.py
index 4545596d078..d6ff1ad7382 100644
--- a/core/dbt/parser/generic_test_builders.py
+++ b/core/dbt/parser/generic_test_builders.py
@@ -56,7 +56,7 @@ def synthesize_generic_test_names(
 
         flat_args.extend([str(part) for part in parts])
 
-    clean_flat_args = [re.sub(r"\W+", "_", arg) for arg in flat_args]
+    clean_flat_args = [re.sub("[^0-9a-zA-Z_]+", "_", arg) for arg in flat_args]
     unique = "__".join(clean_flat_args)
 
     # for the file path + alias, the name must be <64 characters
diff --git a/tests/adapter/dbt/tests/adapter/basic/files.py b/tests/adapter/dbt/tests/adapter/basic/files.py
index 35632430235..b035766d641 100644
--- a/tests/adapter/dbt/tests/adapter/basic/files.py
+++ b/tests/adapter/dbt/tests/adapter/basic/files.py
@@ -12,20 +12,6 @@
 10,Nora,1976-03-01T16:51:39
 """.lstrip()
 
-seeds_jp_base_csv = """
-id,名前,ふりがな,部署ｺｰﾄﾞ,イニシャル
-1,比嘉,ひが,10000,H
-2,金城,きんじょう,10000,K
-3,大城,おおしろ,10001,O
-4,宮城,みやぎ,10001,M
-5,新垣,あらかき,10002,A
-6,玉城,たましろ,10002,T
-7,上原,うえはら,10002,U
-8,島袋,しまぶくろ,10003,S
-9,平良,たいら,10003,T
-10,山城,やましろ,10003,Y
-""".lstrip()
-
 
 seeds_added_csv = (
     seeds_base_csv
@@ -75,18 +61,6 @@
      - name: id
        tests:
          - not_null
-     - name: 名前
-       tests:
-         - not_null
-     - name: ふりがな
-       tests:
-         - not_null
-     - name: 部署ｺｰﾄﾞ
-       tests:
-         - not_null
-     - name: イニシャル
-       tests:
-         - not_null
 """
 
 generic_test_view_yml = """
@@ -97,18 +71,6 @@
      - name: id
        tests:
          - not_null
-     - name: 名前
-       tests:
-         - not_null
-     - name: ふりがな
-       tests:
-         - not_null
-     - name: 部署ｺｰﾄﾞ
-       tests:
-         - not_null
-     - name: イニシャル
-       tests:
-         - not_null
 """
 
 generic_test_table_yml = """
@@ -119,18 +81,6 @@
      - name: id
        tests:
          - not_null
-     - name: 名前
-       tests:
-         - not_null
-     - name: ふりがな
-       tests:
-         - not_null
-     - name: 部署ｺｰﾄﾞ
-       tests:
-         - not_null
-     - name: イニシャル
-       tests:
-         - not_null
 """
 
 test_passing_sql = """
diff --git a/tests/adapter/dbt/tests/adapter/basic/test_generic_tests.py b/tests/adapter/dbt/tests/adapter/basic/test_generic_tests.py
index df844fe4b5e..8f1a3e5f0e2 100644
--- a/tests/adapter/dbt/tests/adapter/basic/test_generic_tests.py
+++ b/tests/adapter/dbt/tests/adapter/basic/test_generic_tests.py
@@ -1,7 +1,7 @@
 import pytest
 from dbt.tests.util import run_dbt
 from dbt.tests.adapter.basic.files import (
-    seeds_jp_base_csv,
+    seeds_base_csv,
     generic_test_seed_yml,
     base_view_sql,
     base_table_sql,
@@ -19,7 +19,7 @@ def project_config_update(self):
     @pytest.fixture(scope="class")
     def seeds(self):
         return {
-            "base.csv": seeds_jp_base_csv,
+            "base.csv": seeds_base_csv,
             "schema.yml": generic_test_seed_yml,
         }
 
@@ -39,7 +39,7 @@ def test_generic_tests(self, project):
 
         # test command selecting base model
         results = run_dbt(["test", "-m", "base"])
-        assert len(results) == 5
+        assert len(results) == 1
 
         # run command
         results = run_dbt(["run"])
@@ -47,7 +47,7 @@ def test_generic_tests(self, project):
 
         # test command, all tests
         results = run_dbt(["test"])
-        assert len(results) == 15
+        assert len(results) == 3
 
 
 class TestGenericTests(BaseGenericTests):