diff --git a/components/bt/controller/esp32/bt.c b/components/bt/controller/esp32/bt.c
index 5bf5d8a318..5f6c708c29 100644
--- a/components/bt/controller/esp32/bt.c
+++ b/components/bt/controller/esp32/bt.c
@@ -1,16 +1,8 @@
-// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/*
+ * SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
 
 #include <stddef.h>
 #include <stdlib.h>
@@ -1752,9 +1744,18 @@ esp_err_t esp_bt_controller_deinit(void)
         esp_pm_lock_delete(s_light_sleep_pm_lock);
         s_light_sleep_pm_lock = NULL;
     }
-    esp_timer_stop(s_btdm_slp_tmr);
-    esp_timer_delete(s_btdm_slp_tmr);
-    s_btdm_slp_tmr = NULL;
+
+    if (s_pm_lock != NULL) {
+        esp_pm_lock_delete(s_pm_lock);
+        s_pm_lock = NULL;
+    }
+
+    if (s_btdm_slp_tmr != NULL) {
+        esp_timer_stop(s_btdm_slp_tmr);
+        esp_timer_delete(s_btdm_slp_tmr);
+        s_btdm_slp_tmr = NULL;
+    }
+
     s_pm_lock_acquired = false;
 #endif
     semphr_delete_wrapper(s_wakeup_req_sem);
diff --git a/tools/ci/check_copyright_ignore.txt b/tools/ci/check_copyright_ignore.txt
index e907e8755c..70992f1d4e 100644
--- a/tools/ci/check_copyright_ignore.txt
+++ b/tools/ci/check_copyright_ignore.txt
@@ -70,7 +70,6 @@ components/bt/common/osi/mutex.c
 components/bt/common/osi/osi.c
 components/bt/common/osi/semaphore.c
 components/bt/common/osi/thread.c
-components/bt/controller/esp32/bt.c
 components/bt/controller/esp32/hli_api.c
 components/bt/controller/esp32/hli_api.h
 components/bt/controller/esp32c3/bt.c