diff --git a/dom/cellbroadcast/src/CellBroadcast.cpp b/dom/cellbroadcast/src/CellBroadcast.cpp
index 849fbb07942..7df492eb5d0 100644
--- a/dom/cellbroadcast/src/CellBroadcast.cpp
+++ b/dom/cellbroadcast/src/CellBroadcast.cpp
@@ -37,6 +37,12 @@ public:
     MOZ_ASSERT(mCellBroadcast);
     mCellBroadcast = nullptr;
   }
+
+private:
+  ~Listener()
+  {
+    MOZ_ASSERT(!mCellBroadcast);
+  }
 };
 
 NS_IMPL_ISUPPORTS(CellBroadcast::Listener, nsICellBroadcastListener)
diff --git a/dom/icc/src/IccListener.h b/dom/icc/src/IccListener.h
index e050393877e..c152678d3db 100644
--- a/dom/icc/src/IccListener.h
+++ b/dom/icc/src/IccListener.h
@@ -21,7 +21,6 @@ public:
   NS_DECL_NSIICCLISTENER
 
   IccListener(IccManager* aIccManager, uint32_t aClientId);
-  ~IccListener();
 
   void
   Shutdown();
@@ -32,6 +31,9 @@ public:
     return mIcc;
   }
 
+private:
+  ~IccListener();
+
 private:
   uint32_t mClientId;
   // We did not setup 'mIcc' and 'mIccManager' being a participant of cycle
diff --git a/dom/icc/src/IccManager.h b/dom/icc/src/IccManager.h
index c1a1f445169..8982cb9e057 100644
--- a/dom/icc/src/IccManager.h
+++ b/dom/icc/src/IccManager.h
@@ -26,7 +26,6 @@ public:
   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(IccManager, DOMEventTargetHelper)
 
   IccManager(nsPIDOMWindow* aWindow);
-  ~IccManager();
 
   void
   Shutdown();
@@ -52,6 +51,9 @@ public:
   virtual JSObject*
   WrapObject(JSContext* aCx) MOZ_OVERRIDE;
 
+private:
+  ~IccManager();
+
 private:
   nsTArray<nsRefPtr<IccListener>> mIccListeners;
 };
diff --git a/dom/mobileconnection/src/DOMMMIError.h b/dom/mobileconnection/src/DOMMMIError.h
index ed883f70cbb..e083ebf6250 100644
--- a/dom/mobileconnection/src/DOMMMIError.h
+++ b/dom/mobileconnection/src/DOMMMIError.h
@@ -43,6 +43,9 @@ public:
     return mInfo;
   }
 
+private:
+  ~DOMMMIError() {}
+
 private:
   nsString mServiceCode;
   Nullable<int16_t> mInfo;
diff --git a/dom/mobileconnection/src/MobileCellInfo.h b/dom/mobileconnection/src/MobileCellInfo.h
index 8a4830b5d4c..052474466c7 100644
--- a/dom/mobileconnection/src/MobileCellInfo.h
+++ b/dom/mobileconnection/src/MobileCellInfo.h
@@ -78,6 +78,9 @@ public:
     return mCdmaNetworkId;
   }
 
+private:
+  ~MobileCellInfo() {}
+
 private:
   nsCOMPtr<nsPIDOMWindow> mWindow;
   int32_t mGsmLocationAreaCode;
diff --git a/dom/mobileconnection/src/MobileConnection.cpp b/dom/mobileconnection/src/MobileConnection.cpp
index 3babf761ec8..5a0601bf19b 100644
--- a/dom/mobileconnection/src/MobileConnection.cpp
+++ b/dom/mobileconnection/src/MobileConnection.cpp
@@ -62,6 +62,12 @@ public:
     MOZ_ASSERT(mMobileConnection);
     mMobileConnection = nullptr;
   }
+
+private:
+  ~Listener()
+  {
+    MOZ_ASSERT(!mMobileConnection);
+  }
 };
 
 NS_IMPL_ISUPPORTS(MobileConnection::Listener, nsIMobileConnectionListener)
@@ -130,6 +136,11 @@ MobileConnection::Shutdown()
   }
 }
 
+MobileConnection::~MobileConnection()
+{
+  MOZ_ASSERT(!(mProvider || mListener || mVoice || mData));
+}
+
 JSObject*
 MobileConnection::WrapObject(JSContext* aCx)
 {
diff --git a/dom/mobileconnection/src/MobileConnection.h b/dom/mobileconnection/src/MobileConnection.h
index bc306ed9480..14adf7f1187 100644
--- a/dom/mobileconnection/src/MobileConnection.h
+++ b/dom/mobileconnection/src/MobileConnection.h
@@ -155,6 +155,9 @@ public:
   IMPL_EVENT_HANDLER(radiostatechange)
   IMPL_EVENT_HANDLER(clirmodechange)
 
+private:
+  ~MobileConnection();
+
 private:
   uint32_t mClientId;
   nsCOMPtr<nsIMobileConnectionProvider> mProvider;
diff --git a/dom/mobileconnection/src/MobileConnectionInfo.h b/dom/mobileconnection/src/MobileConnectionInfo.h
index bee8d53aa16..2437961b76f 100644
--- a/dom/mobileconnection/src/MobileConnectionInfo.h
+++ b/dom/mobileconnection/src/MobileConnectionInfo.h
@@ -93,6 +93,9 @@ public:
     return mCellInfo;
   }
 
+private:
+  ~MobileConnectionInfo() {}
+
 private:
   bool mConnected;
   bool mEmergencyCallsOnly;
diff --git a/dom/mobileconnection/src/MobileNetworkInfo.h b/dom/mobileconnection/src/MobileNetworkInfo.h
index ff2cb22d414..3c6b408248c 100644
--- a/dom/mobileconnection/src/MobileNetworkInfo.h
+++ b/dom/mobileconnection/src/MobileNetworkInfo.h
@@ -61,6 +61,9 @@ public:
     return Nullable<MobileNetworkState>();
   }
 
+private:
+  ~MobileNetworkInfo() {}
+
 private:
   nsCOMPtr<nsPIDOMWindow> mWindow;
   nsString mShortName;
diff --git a/dom/voicemail/Voicemail.cpp b/dom/voicemail/Voicemail.cpp
index 5976cce2b66..cf08eca933a 100644
--- a/dom/voicemail/Voicemail.cpp
+++ b/dom/voicemail/Voicemail.cpp
@@ -39,6 +39,12 @@ public:
     MOZ_ASSERT(mVoicemail);
     mVoicemail = nullptr;
   }
+
+private:
+  ~Listener()
+  {
+    MOZ_ASSERT(!mVoicemail);
+  }
 };
 
 NS_IMPL_ISUPPORTS(Voicemail::Listener, nsIVoicemailListener)