diff --git a/package/android/CMakeLists.txt b/package/android/CMakeLists.txt
index c48330da..9b7794cb 100644
--- a/package/android/CMakeLists.txt
+++ b/package/android/CMakeLists.txt
@@ -9,7 +9,6 @@ add_library(
         react-native-mmkv
         SHARED
         src/main/cpp/AndroidLogger.cpp
-        src/main/cpp/cpp-adapter.cpp
         ../cpp/MmkvHostObject.cpp
         ../cpp/NativeMmkvModule.cpp
 )
diff --git a/package/android/src/main/cpp/cpp-adapter.cpp b/package/android/src/main/cpp/cpp-adapter.cpp
deleted file mode 100644
index e2deda86..00000000
--- a/package/android/src/main/cpp/cpp-adapter.cpp
+++ /dev/null
@@ -1,7 +0,0 @@
-#include <jni.h>
-
-extern "C" JNIEXPORT jdouble JNICALL Java_com_mmkv_MmkvModule_nativeMultiply(JNIEnv* env,
-                                                                             jclass type, jdouble a,
-                                                                             jdouble b) {
-  return 5.0;
-}