diff --git a/.gitignore b/.gitignore
index ab34985..da1cd15 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,5 +30,4 @@ migrate_working_dir/
 .dart_tool/
 .flutter-plugins-dependencies
 /build/
-/coverage/
-/example/build/
\ No newline at end of file
+/coverage/
\ No newline at end of file
diff --git a/android/src/main/jniLibs/armeabi-v7a/libarcsoft_face.so b/android/src/main/jniLibs/armeabi-v7a/libarcsoft_face.so
deleted file mode 100644
index e37f157..0000000
Binary files a/android/src/main/jniLibs/armeabi-v7a/libarcsoft_face.so and /dev/null differ
diff --git a/android/src/main/jniLibs/armeabi-v7a/libarcsoft_face_engine.so b/android/src/main/jniLibs/armeabi-v7a/libarcsoft_face_engine.so
deleted file mode 100644
index 9a6e74c..0000000
Binary files a/android/src/main/jniLibs/armeabi-v7a/libarcsoft_face_engine.so and /dev/null differ
diff --git a/android/src/main/jniLibs/armeabi-v7a/libarcsoft_image_util.so b/android/src/main/jniLibs/armeabi-v7a/libarcsoft_image_util.so
deleted file mode 100644
index b0ac1dd..0000000
Binary files a/android/src/main/jniLibs/armeabi-v7a/libarcsoft_image_util.so and /dev/null differ