diff --git a/components/bt/controller/CMakeLists.txt b/components/bt/controller/CMakeLists.txt
index 1da8ffb796b..d104f98c703 100644
--- a/components/bt/controller/CMakeLists.txt
+++ b/components/bt/controller/CMakeLists.txt
@@ -41,6 +41,13 @@ function(register_bt_ctrl_libs)
                     add_prebuilt_library(libble_app "${lib_path}/libble_app.a" REQUIRES esp_phy bt)
                 endif()
             else()
+                file(GLOB ILLEGAL_LIB_FILES "${lib_path}/*.a")
+                if(ILLEGAL_LIB_FILES)
+                    message(FATAL_ERROR
+                        "${lib_path} should not contain the library files!"
+                    )
+                endif()
+
                 if(CONFIG_BT_CTRL_RUN_IN_FLASH_ONLY AND EXISTS "${lib_path}/${idf_target}/libble_app_flash.a")
                     add_prebuilt_library(libble_app "${lib_path}/${idf_target}/libble_app_flash.a" REQUIRES esp_phy bt)
                 else()
diff --git a/components/bt/controller/lib_esp32h2/esp32h2-bt-lib b/components/bt/controller/lib_esp32h2/esp32h2-bt-lib
index e786a298d3d..b7db86bd4d5 160000
--- a/components/bt/controller/lib_esp32h2/esp32h2-bt-lib
+++ b/components/bt/controller/lib_esp32h2/esp32h2-bt-lib
@@ -1 +1 @@
-Subproject commit e786a298d3dca713b9cf5801864de0b9f75cdf04
+Subproject commit b7db86bd4d579055c4a47ca849575513f00a23f9