diff --git a/dom/media/platforms/android/AndroidDecoderModule.cpp b/dom/media/platforms/android/AndroidDecoderModule.cpp
index 30a49d8e863e..232de997f5a0 100644
--- a/dom/media/platforms/android/AndroidDecoderModule.cpp
+++ b/dom/media/platforms/android/AndroidDecoderModule.cpp
@@ -193,7 +193,7 @@ public:
   }
 
   nsresult Output(BufferInfo::Param aInfo, void* aBuffer,
-                  MediaFormat::Param aFormat, const TimeUnit& aDuration)
+                  MediaFormat::Param aFormat, const TimeUnit& aDuration) override
   {
     // The output on Android is always 16-bit signed
     nsresult rv;
diff --git a/netwerk/protocol/device/AndroidCaptureProvider.h b/netwerk/protocol/device/AndroidCaptureProvider.h
index 5b242861fcf5..099f3f4312a1 100644
--- a/netwerk/protocol/device/AndroidCaptureProvider.h
+++ b/netwerk/protocol/device/AndroidCaptureProvider.h
@@ -25,7 +25,7 @@ class AndroidCaptureProvider final : public nsDeviceCaptureProvider {
 
     NS_DECL_THREADSAFE_ISUPPORTS
 
-    nsresult Init(nsACString& aContentType, nsCaptureParams* aParams, nsIInputStream** aStream);
+    nsresult Init(nsACString& aContentType, nsCaptureParams* aParams, nsIInputStream** aStream) override;
     static AndroidCaptureProvider* sInstance;
 };
 
@@ -42,7 +42,7 @@ class AndroidCameraInputStream final : public nsIAsyncInputStream, mozilla::net:
     NS_DECL_NSIINPUTSTREAM
     NS_DECL_NSIASYNCINPUTSTREAM
 
-    void ReceiveFrame(char* frame, uint32_t length);
+    void ReceiveFrame(char* frame, uint32_t length) override;
 
   protected:
     void NotifyListeners();