--- a/dom/media/webaudio/ConvolverNode.cpp
+++ b/dom/media/webaudio/ConvolverNode.cpp
@@ -49,19 +49,16 @@ public:
     case BUFFER_LENGTH:
       // BUFFER_LENGTH is the first parameter that we set when setting a new buffer,
       // so we should be careful to invalidate the rest of our state here.
       mBuffer = nullptr;
       mSampleRate = 0.0f;
       mBufferLength = aParam;
       mLeftOverData = INT32_MIN;
       break;
-    case SAMPLE_RATE:
-      mSampleRate = aParam;
-      break;
     case NORMALIZE:
       mNormalize = !!aParam;
       break;
     default:
       NS_ERROR("Bad ConvolverNodeEngine Int32Parameter");
     }
   }
   void SetDoubleParameter(uint32_t aIndex, double aParam) override