diff --git a/.drone.yml b/.drone.yml
index 8a9f8877..0ff40f88 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -30,9 +30,7 @@ steps:
     - make test
     - make test-sqlite3
     - TEST_CACHE_ENABLE=true make test-sqlite3
-    - TEST_QUOTE_POLICY=reserved make test-sqlite3
     - make test-sqlite
-    - TEST_CACHE_ENABLE=true make test-sqlite
     - TEST_QUOTE_POLICY=reserved make test-sqlite
 - name: test-mysql
   image: golang:1.15
@@ -106,7 +104,6 @@ steps:
   commands:
   - make test-mysql
   - TEST_CACHE_ENABLE=true make test-mysql
-  - TEST_QUOTE_POLICY=reserved make test-mysql
 
 volumes:
 - name: cache
@@ -144,7 +141,6 @@ steps:
     TEST_MYSQL_PASSWORD:
   commands:
   - make test-mysql
-  - TEST_CACHE_ENABLE=true make test-mysql
   - TEST_QUOTE_POLICY=reserved make test-mysql
 
 volumes:
@@ -237,8 +233,6 @@ steps:
     TEST_MSSQL_PASSWORD: "yourStrong(!)Password"
   commands:
   - make test-mssql
-  - TEST_CACHE_ENABLE=true make test-mssql
-  - TEST_QUOTE_POLICY=reserved make test-mssql
   - TEST_MSSQL_DEFAULT_VARCHAR=NVARCHAR TEST_MSSQL_DEFAULT_CHAR=NCHAR make test-mssql
 
 volumes:
@@ -278,8 +272,6 @@ steps:
     TEST_TIDB_PASSWORD:
   commands:
   - make test-tidb
-  - TEST_CACHE_ENABLE=true make test-tidb
-  - TEST_QUOTE_POLICY=reserved make test-tidb
 
 volumes:
 - name: cache
@@ -314,7 +306,6 @@ steps:
   commands:
   - sleep 10
   - make test-cockroach
-  - TEST_CACHE_ENABLE=true make test-cockroach
 
 volumes:
 - name: cache