diff --git a/ai/asr/keyword_spotting/kws_manager.cpp b/ai/asr/keyword_spotting/kws_manager.cpp
index de4e5dca9e6692808930680a3af212ca51b89465..5a05fde15a44c9b324fddb3361891d309934e764 100644
--- a/ai/asr/keyword_spotting/kws_manager.cpp
+++ b/ai/asr/keyword_spotting/kws_manager.cpp
@@ -25,10 +25,7 @@ using namespace OHOS::Media;
 namespace KWS {
 namespace {
     const int32_t CONFIDENCE = 2662;
-    const int32_t NUM_SLIDE_WINDOW = 10;
     const int32_t MAX_CACHE_SIZE = 16000;
-    const int32_t WINDOW_SIZE = 480;  // times of per window: 30ms
-    const int32_t STRIDE_SIZE = 320;  // times of per stride: 20ms
     const int32_t SUCCESS = 0;
     const int32_t CHANNEL_COUNT = 1;
 
diff --git a/ai/cv/image_classification/camera_manager.h b/ai/cv/image_classification/camera_manager.h
index 664a71645032547d210e1fa4a455b697c1b39c7c..0fea079237b82efb56e2fd3a20e35728cff6d737 100644
--- a/ai/cv/image_classification/camera_manager.h
+++ b/ai/cv/image_classification/camera_manager.h
@@ -81,7 +81,6 @@ private:
     OHOS::Media::Camera *cam_ = nullptr;
     SampleSurfaceListener listener_;
     SampleFrameStateCallback fsCb_;
-    OHOS::Media::FrameConfig *fc_ = nullptr;
 };
 }  // namespace IC
 #endif
\ No newline at end of file