diff --git a/runtime/src/main/jni/CallbackHandlers.cpp b/runtime/src/main/jni/CallbackHandlers.cpp
index fb4d1f812..3350e27bc 100644
--- a/runtime/src/main/jni/CallbackHandlers.cpp
+++ b/runtime/src/main/jni/CallbackHandlers.cpp
@@ -89,7 +89,6 @@ bool CallbackHandlers::RegisterInstance(Isolate* isolate, const Local<Object>& j
 
     int javaObjectID = objectManager->GenerateNewObjectID();
 
-    DEBUG_WRITE("RegisterInstance: Linking new instance");
     objectManager->Link(jsObject, javaObjectID, nullptr);
 
     // resolve constructor
@@ -122,11 +121,10 @@ bool CallbackHandlers::RegisterInstance(Isolate* isolate, const Local<Object>& j
     success = !localInstance.IsNull();
 
     if (success) {
-        DEBUG_WRITE("RegisterInstance: Updating linked instance with its real class");
         jclass instanceClass = env.FindClass(fullClassName);
         objectManager->SetJavaClass(jsObject, instanceClass);
     } else {
-        DEBUG_WRITE("RegisterInstance failed with null new instance");
+        DEBUG_WRITE_FORCE("RegisterInstance failed with null new instance class: %s", fullClassName.c_str());
     }
 
     return success;
@@ -775,8 +773,6 @@ Local<Value> CallbackHandlers::CallJSMethod(Isolate* isolate, JNIEnv* _env,
             arguments[i] = jsArgs->Get(i);
         }
 
-        DEBUG_WRITE("implementationObject->GetIdentityHash()=%d", jsObject->GetIdentityHash());
-
         TryCatch tc;
         Local<Value> jsResult;
         {
diff --git a/runtime/src/main/jni/ObjectManager.cpp b/runtime/src/main/jni/ObjectManager.cpp
index 3f2a2dad4..5ccd633bf 100644
--- a/runtime/src/main/jni/ObjectManager.cpp
+++ b/runtime/src/main/jni/ObjectManager.cpp
@@ -79,7 +79,6 @@ JniLocalRef ObjectManager::GetJavaObjectByJsObject(const Local<Object>& object)
 }
 
 ObjectManager::JSInstanceInfo* ObjectManager::GetJSInstanceInfo(const Local<Object>& object) {
-    DEBUG_WRITE("ObjectManager::GetJSInstanceInfo: called");
     JSInstanceInfo* jsInstanceInfo = nullptr;
 
     auto isolate = m_isolate;
@@ -140,8 +139,6 @@ jclass ObjectManager::GetJavaClass(const Local<Object>& instance) {
 }
 
 void ObjectManager::SetJavaClass(const Local<Object>& instance, jclass clazz) {
-    DEBUG_WRITE("SetClass called");
-
     JSInstanceInfo* jsInfo = GetJSInstanceInfo(instance);
     jsInfo->ObjectClazz = clazz;
 }
@@ -275,8 +272,6 @@ void ObjectManager::JSObjectWeakCallbackStatic(const WeakCallbackInfo<ObjectWeak
  *	These objects are categorized by "regular" and "callback" and saved in different arrays for performance optimizations during GC
  * */
 void ObjectManager::JSObjectWeakCallback(Isolate* isolate, ObjectWeakCallbackState* callbackState) {
-    DEBUG_WRITE("JSObjectWeakCallback called");
-
     HandleScope handleScope(isolate);
 
     Persistent<Object>* po = callbackState->target;
@@ -319,8 +314,6 @@ int ObjectManager::GenerateNewObjectID() {
 }
 
 void ObjectManager::ReleaseJSInstance(Persistent<Object>* po, JSInstanceInfo* jsInstanceInfo) {
-    DEBUG_WRITE("ReleaseJSInstance instance");
-
     int javaObjectID = jsInstanceInfo->JavaObjectID;
 
     auto it = m_idToObject.find(javaObjectID);
@@ -522,7 +515,7 @@ void ObjectManager::MarkReachableObjects(Isolate* isolate, const Local<Object>&
     } // while
 }
 
-void ObjectManager::MarkReachableArrayElements(Local<Object> &o, stack<Local<Value>> &s) {
+void ObjectManager::MarkReachableArrayElements(Local<Object>& o, stack<Local<Value>>& s) {
     auto arr = o.As<Array>();
 
     int arrEnclosedObjectsLength = arr->Length();