diff --git a/media/codec2/sfplugin/CCodecBufferChannel.h b/media/codec2/sfplugin/CCodecBufferChannel.h
index 1b5c031..2cdf59d 100644
--- a/media/codec2/sfplugin/CCodecBufferChannel.h
+++ b/media/codec2/sfplugin/CCodecBufferChannel.h
@@ -62,8 +62,8 @@
     void setCrypto(const sp<ICrypto> &crypto) override;
     void setDescrambler(const sp<IDescrambler> &descrambler) override;
 
-    virtual status_t queueInputBuffer(const sp<MediaCodecBuffer> &buffer) override;
-    virtual status_t queueSecureInputBuffer(
+    status_t queueInputBuffer(const sp<MediaCodecBuffer> &buffer) override;
+    status_t queueSecureInputBuffer(
             const sp<MediaCodecBuffer> &buffer,
             bool secure,
             const uint8_t *key,
@@ -73,10 +73,10 @@
             const CryptoPlugin::SubSample *subSamples,
             size_t numSubSamples,
             AString *errorDetailMsg) override;
-    virtual status_t attachBuffer(
+    status_t attachBuffer(
             const std::shared_ptr<C2Buffer> &c2Buffer,
             const sp<MediaCodecBuffer> &buffer) override;
-    virtual status_t attachEncryptedBuffer(
+    status_t attachEncryptedBuffer(
             const sp<hardware::HidlMemory> &memory,
             bool secure,
             const uint8_t *key,
@@ -88,12 +88,12 @@
             size_t numSubSamples,
             const sp<MediaCodecBuffer> &buffer,
             AString* errorDetailMsg) override;
-    virtual status_t renderOutputBuffer(
+    status_t renderOutputBuffer(
             const sp<MediaCodecBuffer> &buffer, int64_t timestampNs) override;
-    virtual void pollForRenderedBuffers() override;
-    virtual status_t discardBuffer(const sp<MediaCodecBuffer> &buffer) override;
-    virtual void getInputBufferArray(Vector<sp<MediaCodecBuffer>> *array) override;
-    virtual void getOutputBufferArray(Vector<sp<MediaCodecBuffer>> *array) override;
+    void pollForRenderedBuffers() override;
+    status_t discardBuffer(const sp<MediaCodecBuffer> &buffer) override;
+    void getInputBufferArray(Vector<sp<MediaCodecBuffer>> *array) override;
+    void getOutputBufferArray(Vector<sp<MediaCodecBuffer>> *array) override;
 
     // Methods below are interface for CCodec to use.