diff --git a/core/jni/android_os_HwBlob.cpp b/core/jni/android_os_HwBlob.cpp
index 0c23797..40d49b7 100644
--- a/core/jni/android_os_HwBlob.cpp
+++ b/core/jni/android_os_HwBlob.cpp
@@ -83,12 +83,6 @@
       mSize(size),
       mOwnsBuffer(true),
       mHandle(0) {
-    jclass clazz = env->GetObjectClass(thiz);
-    CHECK(clazz != NULL);
-
-    mClass = (jclass)env->NewGlobalRef(clazz);
-    mObject = env->NewWeakGlobalRef(thiz);
-
     if (size > 0) {
         mBuffer = malloc(size);
     }
@@ -99,14 +93,6 @@
         free(mBuffer);
         mBuffer = nullptr;
     }
-
-    JNIEnv *env = AndroidRuntime::getJNIEnv();
-
-    env->DeleteWeakGlobalRef(mObject);
-    mObject = NULL;
-
-    env->DeleteGlobalRef(mClass);
-    mClass = NULL;
 }
 
 void JHwBlob::setTo(const void *ptr, size_t handle) {
diff --git a/core/jni/android_os_HwBlob.h b/core/jni/android_os_HwBlob.h
index 0920488..39393cb 100644
--- a/core/jni/android_os_HwBlob.h
+++ b/core/jni/android_os_HwBlob.h
@@ -70,9 +70,6 @@
         sp<JHwBlob> mBlob;
     };
 
-    jclass mClass;
-    jobject mObject;
-
     void *mBuffer;
     size_t mSize;
     bool mOwnsBuffer;
diff --git a/core/jni/android_os_HwParcel.cpp b/core/jni/android_os_HwParcel.cpp
index b412b6a..9494fb8 100644
--- a/core/jni/android_os_HwParcel.cpp
+++ b/core/jni/android_os_HwParcel.cpp
@@ -166,10 +166,6 @@
       mOwnsParcel(false),
       mTransactCallback(nullptr),
       mWasSent(false) {
-    jclass clazz = env->GetObjectClass(thiz);
-    CHECK(clazz != NULL);
-
-    mObject = env->NewWeakGlobalRef(thiz);
 }
 
 JHwParcel::~JHwParcel() {
@@ -178,9 +174,6 @@
     mStorage.release(env);
 
     setParcel(NULL, false /* assumeOwnership */);
-
-    env->DeleteWeakGlobalRef(mObject);
-    mObject = NULL;
 }
 
 hardware::Parcel *JHwParcel::getParcel() {
diff --git a/core/jni/android_os_HwParcel.h b/core/jni/android_os_HwParcel.h
index f6e6100..2c26993 100644
--- a/core/jni/android_os_HwParcel.h
+++ b/core/jni/android_os_HwParcel.h
@@ -53,8 +53,6 @@
     virtual ~JHwParcel();
 
 private:
-    jobject mObject;
-
     hardware::Parcel *mParcel;
     bool mOwnsParcel;