diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 27e6929b..9c70d0d2 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -61,8 +61,6 @@ TEST_PGSQL_HOST= TEST_PGSQL_SCHEMA= TEST_PGSQL_DBNAME= TEST_PGSQL_USERNAME= TEST
 TEST_TIDB_HOST= TEST_TIDB_DBNAME= TEST_TIDB_USERNAME= TEST_TIDB_PASSWORD= make test-tidb
 ```
 
-And if your branch is related with cache, you could also enable it via `TEST_CACHE_ENABLE=true`.
-
 ### Patch review
 
 Help review existing open [pull requests](https://gitea.com/xorm/xorm/pulls) by commenting on the code or
diff --git a/Makefile b/Makefile
index 5c86d33c..ac955d56 100644
--- a/Makefile
+++ b/Makefile
@@ -47,7 +47,6 @@ TEST_DAMENG_HOST ?= dameng:5236
 TEST_DAMENG_USERNAME ?= SYSDBA
 TEST_DAMENG_PASSWORD ?= SYSDBA
 
-TEST_CACHE_ENABLE ?= false
 TEST_QUOTE_POLICY ?= always
 
 .PHONY: all
@@ -137,133 +136,133 @@ test: go-check
 
 .PNONY: test-cockroach
 test-cockroach: go-check
-	$(GO) test $(INTEGRATION_PACKAGES) -v -race -db=postgres -schema='$(TEST_COCKROACH_SCHEMA)' -cache=$(TEST_CACHE_ENABLE) \
+	$(GO) test $(INTEGRATION_PACKAGES) -v -race -db=postgres -schema='$(TEST_COCKROACH_SCHEMA)' \
 	-conn_str="postgres://$(TEST_COCKROACH_USERNAME):$(TEST_COCKROACH_PASSWORD)@$(TEST_COCKROACH_HOST)/$(TEST_COCKROACH_DBNAME)?sslmode=disable&experimental_serial_normalization=sql_sequence" \
-	-ignore_update_limit=true -coverprofile=cockroach.$(TEST_COCKROACH_SCHEMA).$(TEST_CACHE_ENABLE).coverage.out -covermode=atomic -timeout=20m
+	-ignore_update_limit=true -coverprofile=cockroach.$(TEST_COCKROACH_SCHEMA).coverage.out -covermode=atomic -timeout=20m
 
 .PHONY: test-cockroach\#%
 test-cockroach\#%: go-check
-	$(GO) test $(INTEGRATION_PACKAGES) -v -race -run $* -db=postgres -schema='$(TEST_COCKROACH_SCHEMA)' -cache=$(TEST_CACHE_ENABLE) \
+	$(GO) test $(INTEGRATION_PACKAGES) -v -race -run $* -db=postgres -schema='$(TEST_COCKROACH_SCHEMA)' \
 	-conn_str="postgres://$(TEST_COCKROACH_USERNAME):$(TEST_COCKROACH_PASSWORD)@$(TEST_COCKROACH_HOST)/$(TEST_COCKROACH_DBNAME)?sslmode=disable&experimental_serial_normalization=sql_sequence" \
-	-ignore_update_limit=true -coverprofile=cockroach.$(TEST_COCKROACH_SCHEMA).$(TEST_CACHE_ENABLE).coverage.out -covermode=atomic
+	-ignore_update_limit=true -coverprofile=cockroach.$(TEST_COCKROACH_SCHEMA).coverage.out -covermode=atomic
 
 .PNONY: test-mssql
 test-mssql: go-check
-	$(GO) test $(INTEGRATION_PACKAGES) -v -race -db=mssql -cache=$(TEST_CACHE_ENABLE) -quote=$(TEST_QUOTE_POLICY) \
+	$(GO) test $(INTEGRATION_PACKAGES) -v -race -db=mssql -quote=$(TEST_QUOTE_POLICY) \
 	-conn_str="server=$(TEST_MSSQL_HOST);user id=$(TEST_MSSQL_USERNAME);password=$(TEST_MSSQL_PASSWORD);database=$(TEST_MSSQL_DBNAME)" \
 	-default_varchar=$(TEST_MSSQL_DEFAULT_VARCHAR) -default_char=$(TEST_MSSQL_DEFAULT_CHAR) \
 	-do_nvarchar_override_test=$(TEST_MSSQL_DO_NVARCHAR_OVERRIDE_TEST) \
-	-coverprofile=mssql.$(TEST_QUOTE_POLICY).$(TEST_CACHE_ENABLE).coverage.out -covermode=atomic -timeout=20m
+	-coverprofile=mssql.$(TEST_QUOTE_POLICY).coverage.out -covermode=atomic -timeout=20m
 
 .PNONY: test-mssql\#%
 test-mssql\#%: go-check
-	$(GO) test $(INTEGRATION_PACKAGES) -v -race -run $* -db=mssql -cache=$(TEST_CACHE_ENABLE) -quote=$(TEST_QUOTE_POLICY) \
+	$(GO) test $(INTEGRATION_PACKAGES) -v -race -run $* -db=mssql -quote=$(TEST_QUOTE_POLICY) \
 	-conn_str="server=$(TEST_MSSQL_HOST);user id=$(TEST_MSSQL_USERNAME);password=$(TEST_MSSQL_PASSWORD);database=$(TEST_MSSQL_DBNAME)" \
 	-default_varchar=$(TEST_MSSQL_DEFAULT_VARCHAR) -default_char=$(TEST_MSSQL_DEFAULT_CHAR) \
 	-do_nvarchar_override_test=$(TEST_MSSQL_DO_NVARCHAR_OVERRIDE_TEST) \
-	-coverprofile=mssql.$(TEST_QUOTE_POLICY).$(TEST_CACHE_ENABLE).coverage.out -covermode=atomic
+	-coverprofile=mssql.$(TEST_QUOTE_POLICY).coverage.out -covermode=atomic
 
 .PNONY: test-mysql
 test-mysql: go-check
-	$(GO) test $(INTEGRATION_PACKAGES) -v -race -db=mysql -cache=$(TEST_CACHE_ENABLE) -quote=$(TEST_QUOTE_POLICY) \
+	$(GO) test $(INTEGRATION_PACKAGES) -v -race -db=mysql -quote=$(TEST_QUOTE_POLICY) \
 	-conn_str="$(TEST_MYSQL_USERNAME):$(TEST_MYSQL_PASSWORD)@tcp($(TEST_MYSQL_HOST))/$(TEST_MYSQL_DBNAME)?charset=$(TEST_MYSQL_CHARSET)" \
-	-coverprofile=mysql.$(TEST_QUOTE_POLICY).$(TEST_CACHE_ENABLE).coverage.out -covermode=atomic -timeout=20m
+	-coverprofile=mysql.$(TEST_QUOTE_POLICY).coverage.out -covermode=atomic -timeout=20m
 
 .PHONY: test-mysql\#%
 test-mysql\#%: go-check
-	$(GO) test $(INTEGRATION_PACKAGES) -v -race -run $* -db=mysql -cache=$(TEST_CACHE_ENABLE) -quote=$(TEST_QUOTE_POLICY) \
+	$(GO) test $(INTEGRATION_PACKAGES) -v -race -run $* -db=mysql -quote=$(TEST_QUOTE_POLICY) \
 	-conn_str="$(TEST_MYSQL_USERNAME):$(TEST_MYSQL_PASSWORD)@tcp($(TEST_MYSQL_HOST))/$(TEST_MYSQL_DBNAME)?charset=$(TEST_MYSQL_CHARSET)" \
-	-coverprofile=mysql.$(TEST_QUOTE_POLICY).$(TEST_CACHE_ENABLE).coverage.out -covermode=atomic
+	-coverprofile=mysql.$(TEST_QUOTE_POLICY).coverage.out -covermode=atomic
 
 .PNONY: test-mysql-tls
 test-mysql-tls: go-check
-	$(GO) test $(INTEGRATION_PACKAGES) -v -race -db=mysql -cache=$(TEST_CACHE_ENABLE) -quote=$(TEST_QUOTE_POLICY) \
+	$(GO) test $(INTEGRATION_PACKAGES) -v -race -db=mysql -quote=$(TEST_QUOTE_POLICY) \
 	-conn_str="$(TEST_MYSQL_USERNAME):$(TEST_MYSQL_PASSWORD)@tcp($(TEST_MYSQL_HOST))/$(TEST_MYSQL_DBNAME)?charset=$(TEST_MYSQL_CHARSET)&tls=skip-verify" \
-	-coverprofile=mysql.$(TEST_QUOTE_POLICY).$(TEST_CACHE_ENABLE).coverage.out -covermode=atomic -timeout=20m
+	-coverprofile=mysql.$(TEST_QUOTE_POLICY).coverage.out -covermode=atomic -timeout=20m
 
 .PHONY: test-mysql-tls\#%
 test-mysql-tls\#%: go-check
-	$(GO) test $(INTEGRATION_PACKAGES) -v -race -run $* -db=mysql -cache=$(TEST_CACHE_ENABLE) -quote=$(TEST_QUOTE_POLICY) \
+	$(GO) test $(INTEGRATION_PACKAGES) -v -race -run $* -db=mysql -quote=$(TEST_QUOTE_POLICY) \
 	-conn_str="$(TEST_MYSQL_USERNAME):$(TEST_MYSQL_PASSWORD)@tcp($(TEST_MYSQL_HOST))/$(TEST_MYSQL_DBNAME)?charset=$(TEST_MYSQL_CHARSET)&tls=skip-verify" \
-	-coverprofile=mysql.$(TEST_QUOTE_POLICY).$(TEST_CACHE_ENABLE).coverage.out -covermode=atomic
+	-coverprofile=mysql.$(TEST_QUOTE_POLICY).coverage.out -covermode=atomic
 
 .PNONY: test-postgres
 test-postgres: go-check
-	$(GO) test $(INTEGRATION_PACKAGES) -v -race -db=postgres -schema='$(TEST_PGSQL_SCHEMA)' -cache=$(TEST_CACHE_ENABLE) \
+	$(GO) test $(INTEGRATION_PACKAGES) -v -race -db=postgres -schema='$(TEST_PGSQL_SCHEMA)' \
 	-conn_str="postgres://$(TEST_PGSQL_USERNAME):$(TEST_PGSQL_PASSWORD)@$(TEST_PGSQL_HOST)/$(TEST_PGSQL_DBNAME)?sslmode=disable" \
-	-quote=$(TEST_QUOTE_POLICY) -coverprofile=postgres.$(TEST_QUOTE_POLICY).$(TEST_CACHE_ENABLE).coverage.out -covermode=atomic -timeout=20m
+	-quote=$(TEST_QUOTE_POLICY) -coverprofile=postgres.$(TEST_QUOTE_POLICY).coverage.out -covermode=atomic -timeout=20m
 
 .PHONY: test-postgres\#%
 test-postgres\#%: go-check
-	$(GO) test $(INTEGRATION_PACKAGES) -v -race -run $* -db=postgres -schema='$(TEST_PGSQL_SCHEMA)' -cache=$(TEST_CACHE_ENABLE) \
+	$(GO) test $(INTEGRATION_PACKAGES) -v -race -run $* -db=postgres -schema='$(TEST_PGSQL_SCHEMA)' \
 	-conn_str="postgres://$(TEST_PGSQL_USERNAME):$(TEST_PGSQL_PASSWORD)@$(TEST_PGSQL_HOST)/$(TEST_PGSQL_DBNAME)?sslmode=disable" \
-	-quote=$(TEST_QUOTE_POLICY) -coverprofile=postgres.$(TEST_QUOTE_POLICY).$(TEST_CACHE_ENABLE).coverage.out -covermode=atomic
+	-quote=$(TEST_QUOTE_POLICY) -coverprofile=postgres.$(TEST_QUOTE_POLICY).coverage.out -covermode=atomic
 
 .PHONY: test-sqlite3
 test-sqlite3: go-check
-	$(GO) test $(INTEGRATION_PACKAGES) -v -race -cache=$(TEST_CACHE_ENABLE) -db=sqlite3 -conn_str="./test.db?cache=shared&mode=rwc" \
-	 -quote=$(TEST_QUOTE_POLICY) -coverprofile=sqlite3.$(TEST_QUOTE_POLICY).$(TEST_CACHE_ENABLE).coverage.out -covermode=atomic -timeout=20m
+	$(GO) test $(INTEGRATION_PACKAGES) -v -race -db=sqlite3 -conn_str="./test.db?cache=shared&mode=rwc" \
+	 -quote=$(TEST_QUOTE_POLICY) -coverprofile=sqlite3.$(TEST_QUOTE_POLICY).coverage.out -covermode=atomic -timeout=20m
 
 .PHONY: test-sqlite3-schema
 test-sqlite3-schema: go-check
-	$(GO) test $(INTEGRATION_PACKAGES) -v -race -schema=xorm -cache=$(TEST_CACHE_ENABLE) -db=sqlite3 -conn_str="./test.db?cache=shared&mode=rwc" \
-	 -quote=$(TEST_QUOTE_POLICY) -coverprofile=sqlite3.$(TEST_QUOTE_POLICY).$(TEST_CACHE_ENABLE).coverage.out -covermode=atomic -timeout=20m
+	$(GO) test $(INTEGRATION_PACKAGES) -v -race -schema=xorm -db=sqlite3 -conn_str="./test.db?cache=shared&mode=rwc" \
+	 -quote=$(TEST_QUOTE_POLICY) -coverprofile=sqlite3.$(TEST_QUOTE_POLICY).coverage.out -covermode=atomic -timeout=20m
 
 .PHONY: test-sqlite3\#%
 test-sqlite3\#%: go-check
-	$(GO) test $(INTEGRATION_PACKAGES) -v -race -run $* -cache=$(TEST_CACHE_ENABLE) -db=sqlite3 -conn_str="./test.db?cache=shared&mode=rwc" \
-	 -quote=$(TEST_QUOTE_POLICY) -coverprofile=sqlite3.$(TEST_QUOTE_POLICY).$(TEST_CACHE_ENABLE).coverage.out -covermode=atomic -timeout=20m
+	$(GO) test $(INTEGRATION_PACKAGES) -v -race -run $* -db=sqlite3 -conn_str="./test.db?cache=shared&mode=rwc" \
+	 -quote=$(TEST_QUOTE_POLICY) -coverprofile=sqlite3.$(TEST_QUOTE_POLICY).coverage.out -covermode=atomic -timeout=20m
 
 .PNONY: test-pgx
 test-pgx: go-check
-	$(GO) test $(INTEGRATION_PACKAGES) -v -race -db=pgx -schema='$(TEST_PGSQL_SCHEMA)' -cache=$(TEST_CACHE_ENABLE) \
+	$(GO) test $(INTEGRATION_PACKAGES) -v -race -db=pgx -schema='$(TEST_PGSQL_SCHEMA)' \
 	-conn_str="postgres://$(TEST_PGSQL_USERNAME):$(TEST_PGSQL_PASSWORD)@$(TEST_PGSQL_HOST)/$(TEST_PGSQL_DBNAME)?sslmode=disable" \
-	-quote=$(TEST_QUOTE_POLICY) -coverprofile=postgres.$(TEST_QUOTE_POLICY).$(TEST_CACHE_ENABLE).coverage.out -covermode=atomic -timeout=20m
+	-quote=$(TEST_QUOTE_POLICY) -coverprofile=postgres.$(TEST_QUOTE_POLICY).coverage.out -covermode=atomic -timeout=20m
 
 .PHONY: test-pgx\#%
 test-pgx\#%: go-check
-	$(GO) test $(INTEGRATION_PACKAGES) -v -race -run $* -db=pgx -schema='$(TEST_PGSQL_SCHEMA)' -cache=$(TEST_CACHE_ENABLE) \
+	$(GO) test $(INTEGRATION_PACKAGES) -v -race -run $* -db=pgx -schema='$(TEST_PGSQL_SCHEMA)' \
 	-conn_str="postgres://$(TEST_PGSQL_USERNAME):$(TEST_PGSQL_PASSWORD)@$(TEST_PGSQL_HOST)/$(TEST_PGSQL_DBNAME)?sslmode=disable" \
-	-quote=$(TEST_QUOTE_POLICY) -coverprofile=postgres.$(TEST_QUOTE_POLICY).$(TEST_CACHE_ENABLE).coverage.out -covermode=atomic -timeout=20m
+	-quote=$(TEST_QUOTE_POLICY) -coverprofile=postgres.$(TEST_QUOTE_POLICY).coverage.out -covermode=atomic -timeout=20m
 
 .PHONY: test-sqlite
 test-sqlite: go-check
-	$(GO) test $(INTEGRATION_PACKAGES) -v -race -cache=$(TEST_CACHE_ENABLE) -db=sqlite -conn_str="./test.db?cache=shared&mode=rwc" \
-	 -quote=$(TEST_QUOTE_POLICY) -coverprofile=sqlite.$(TEST_QUOTE_POLICY).$(TEST_CACHE_ENABLE).coverage.out -covermode=atomic -timeout=20m
+	$(GO) test $(INTEGRATION_PACKAGES) -v -race -db=sqlite -conn_str="./test.db?cache=shared&mode=rwc" \
+	 -quote=$(TEST_QUOTE_POLICY) -coverprofile=sqlite.$(TEST_QUOTE_POLICY).coverage.out -covermode=atomic -timeout=20m
 
 .PHONY: test-sqlite-schema
 test-sqlite-schema: go-check
-	$(GO) test $(INTEGRATION_PACKAGES) -v -race -schema=xorm -cache=$(TEST_CACHE_ENABLE) -db=sqlite -conn_str="./test.db?cache=shared&mode=rwc" \
-	 -quote=$(TEST_QUOTE_POLICY) -coverprofile=sqlite.$(TEST_QUOTE_POLICY).$(TEST_CACHE_ENABLE).coverage.out -covermode=atomic -timeout=20m
+	$(GO) test $(INTEGRATION_PACKAGES) -v -race -schema=xorm -db=sqlite -conn_str="./test.db?cache=shared&mode=rwc" \
+	 -quote=$(TEST_QUOTE_POLICY) -coverprofile=sqlite.$(TEST_QUOTE_POLICY).coverage.out -covermode=atomic -timeout=20m
 
 .PHONY: test-sqlite\#%
 test-sqlite\#%: go-check
-	$(GO) test $(INTEGRATION_PACKAGES) -v -race -run $* -cache=$(TEST_CACHE_ENABLE) -db=sqlite -conn_str="./test.db?cache=shared&mode=rwc" \
-	 -quote=$(TEST_QUOTE_POLICY) -coverprofile=sqlite.$(TEST_QUOTE_POLICY).$(TEST_CACHE_ENABLE).coverage.out -covermode=atomic
+	$(GO) test $(INTEGRATION_PACKAGES) -v -race -run $* -db=sqlite -conn_str="./test.db?cache=shared&mode=rwc" \
+	 -quote=$(TEST_QUOTE_POLICY) -coverprofile=sqlite.$(TEST_QUOTE_POLICY).coverage.out -covermode=atomic
 
 .PNONY: test-tidb
 test-tidb: go-check
-	$(GO) test $(INTEGRATION_PACKAGES) -v -race -db=mysql -cache=$(TEST_CACHE_ENABLE) -ignore_select_update=true \
+	$(GO) test $(INTEGRATION_PACKAGES) -v -race -db=mysql -ignore_select_update=true \
 	-conn_str="$(TEST_TIDB_USERNAME):$(TEST_TIDB_PASSWORD)@tcp($(TEST_TIDB_HOST))/$(TEST_TIDB_DBNAME)" \
-	-quote=$(TEST_QUOTE_POLICY) -coverprofile=tidb.$(TEST_QUOTE_POLICY).$(TEST_CACHE_ENABLE).coverage.out -covermode=atomic -timeout=20m
+	-quote=$(TEST_QUOTE_POLICY) -coverprofile=tidb.$(TEST_QUOTE_POLICY).coverage.out -covermode=atomic -timeout=20m
 
 .PHONY: test-tidb\#%
 test-tidb\#%: go-check
-	$(GO) test $(INTEGRATION_PACKAGES) -v -race -run $* -db=mysql -cache=$(TEST_CACHE_ENABLE) -ignore_select_update=true \
+	$(GO) test $(INTEGRATION_PACKAGES) -v -race -run $* -db=mysql -ignore_select_update=true \
 	-conn_str="$(TEST_TIDB_USERNAME):$(TEST_TIDB_PASSWORD)@tcp($(TEST_TIDB_HOST))/$(TEST_TIDB_DBNAME)" \
-	-quote=$(TEST_QUOTE_POLICY) -coverprofile=tidb.$(TEST_QUOTE_POLICY).$(TEST_CACHE_ENABLE).coverage.out -covermode=atomic
+	-quote=$(TEST_QUOTE_POLICY) -coverprofile=tidb.$(TEST_QUOTE_POLICY).coverage.out -covermode=atomic
 
 .PNONY: test-dameng
 test-dameng: go-check
-	$(GO) test $(INTEGRATION_PACKAGES) -v -race -db=dm -cache=$(TEST_CACHE_ENABLE) -quote=$(TEST_QUOTE_POLICY) \
+	$(GO) test $(INTEGRATION_PACKAGES) -v -race -db=dm -quote=$(TEST_QUOTE_POLICY) \
 	-conn_str="dm://$(TEST_DAMENG_USERNAME):$(TEST_DAMENG_PASSWORD)@$(TEST_DAMENG_HOST)" \
-	-coverprofile=dameng.$(TEST_QUOTE_POLICY).$(TEST_CACHE_ENABLE).coverage.out -covermode=atomic -timeout=20m
+	-coverprofile=dameng.$(TEST_QUOTE_POLICY).coverage.out -covermode=atomic -timeout=20m
 
 .PHONY: test-dameng\#%
 test-dameng\#%: go-check
-	$(GO) test $(INTEGRATION_PACKAGES) -v -race -run $* -db=dm -cache=$(TEST_CACHE_ENABLE) -quote=$(TEST_QUOTE_POLICY) \
+	$(GO) test $(INTEGRATION_PACKAGES) -v -race -run $* -db=dm -quote=$(TEST_QUOTE_POLICY) \
 	-conn_str="dm://$(TEST_DAMENG_USERNAME):$(TEST_DAMENG_PASSWORD)@$(TEST_DAMENG_HOST)" \
-	-coverprofile=dameng.$(TEST_QUOTE_POLICY).$(TEST_CACHE_ENABLE).coverage.out -covermode=atomic -timeout=20m
+	-coverprofile=dameng.$(TEST_QUOTE_POLICY).coverage.out -covermode=atomic -timeout=20m
 
 .PHONY: vet
 vet:
diff --git a/README.md b/README.md
index b29d1f13..7007a5bd 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,6 @@ v1.0.0 has some break changes from v0.8.2.
 * Transaction Support
 * Both ORM and raw SQL operation Support
 * Sync database schema Support
-* Query Cache speed up
 * Database Reverse support via [xorm.io/reverse](https://xorm.io/reverse)
 * Simple cascade loading support
 * Optimistic Locking support
diff --git a/engine.go b/engine.go
index eaf6b8e3..cede60e9 100644
--- a/engine.go
+++ b/engine.go
@@ -832,9 +832,7 @@ func (engine *Engine) StoreEngine(storeEngine string) *Session {
 	return session.StoreEngine(storeEngine)
 }
 
-// Distinct use for distinct columns. Caution: when you are using cache,
-// distinct will not be cached because cache system need id,
-// but distinct will not provide id
+// Distinct use for distinct columns.
 func (engine *Engine) Distinct(columns ...string) *Session {
 	session := engine.NewSession()
 	session.isAutoClose = true
diff --git a/error.go b/error.go
index cfa5c819..93837f49 100644
--- a/error.go
+++ b/error.go
@@ -19,8 +19,6 @@ var (
 	ErrUnSupportedType = errors.New("Unsupported type error")
 	// ErrNotExist record does not exist error
 	ErrNotExist = errors.New("Record does not exist")
-	// ErrCacheFailed cache failed error
-	ErrCacheFailed = errors.New("Cache failed")
 	// ErrConditionType condition type unsupported
 	ErrConditionType = errors.New("Unsupported condition type")
 )
diff --git a/session_cols.go b/session_cols.go
index a0019425..81f29097 100644
--- a/session_cols.go
+++ b/session_cols.go
@@ -115,9 +115,7 @@ func (session *Session) UseBool(columns ...string) *Session {
 	return session
 }
 
-// Distinct use for distinct columns. Caution: when you are using cache,
-// distinct will not be cached because cache system need id,
-// but distinct will not provide id
+// Distinct use for distinct columns.
 func (session *Session) Distinct(columns ...string) *Session {
 	session.statement.Distinct(columns...)
 	return session
diff --git a/tests/session_pk_test.go b/tests/session_pk_test.go
index 3deca56a..95f1394e 100644
--- a/tests/session_pk_test.go
+++ b/tests/session_pk_test.go
@@ -430,7 +430,7 @@ func TestCompositeKey(t *testing.T) {
 	assert.True(t, has)
 
 	var compositeKeyVal2 CompositeKey
-	// test passing PK ptr, this test seem failed withCache
+	// test passing PK ptr
 	has, err = testEngine.ID(&schemas.PK{11, 22}).Get(&compositeKeyVal2)
 	assert.NoError(t, err)
 	assert.True(t, has)
@@ -491,7 +491,7 @@ func TestCompositeKey2(t *testing.T) {
 	assert.NoError(t, err)
 	assert.True(t, has)
 
-	// test passing PK ptr, this test seem failed withCache
+	// test passing PK ptr
 	has, err = testEngine.ID(&schemas.PK{"11", 22}).Get(&user)
 	assert.NoError(t, err)
 	assert.True(t, has)
@@ -539,7 +539,7 @@ func TestCompositeKey3(t *testing.T) {
 	assert.NoError(t, err)
 	assert.True(t, has)
 
-	// test passing PK ptr, this test seem failed withCache
+	// test passing PK ptr
 	has, err = testEngine.ID(&schemas.PK{"11", 22}).Get(&user)
 	assert.NoError(t, err)
 	assert.True(t, has)