diff --git a/dom/encoding/TextEncoder.cpp b/dom/encoding/TextEncoder.cpp
index f96dbbe12254..85ad9ea927c1 100644
--- a/dom/encoding/TextEncoder.cpp
+++ b/dom/encoding/TextEncoder.cpp
@@ -88,7 +88,8 @@ TextEncoder::Encode(JSContext* aCx,
   JSObject* outView = nullptr;
   if (NS_SUCCEEDED(rv)) {
     buf[dstLen] = '\0';
-    outView = CreateUint8Array(aCx, aObj, buf, dstLen);
+    outView = Uint8Array::Create(aCx, aObj, dstLen,
+                                 reinterpret_cast<uint8_t*>(buf.get()));
     if (!outView) {
       aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
       return nullptr;
diff --git a/dom/encoding/TextEncoder.h b/dom/encoding/TextEncoder.h
index 97dcef9da1de..9246d43a35e4 100644
--- a/dom/encoding/TextEncoder.h
+++ b/dom/encoding/TextEncoder.h
@@ -100,15 +100,6 @@ public:
                    const bool aStream,
                    ErrorResult& aRv);
 
-protected:
-  JSObject*
-  CreateUint8Array(JSContext* aCx, JS::Handle<JSObject*> aObj, 
-                   char* aBuf, uint32_t aLen) const
-  {
-    return Uint8Array::Create(aCx, aObj, aLen,
-                              reinterpret_cast<uint8_t*>(aBuf));
-  }
-
 private:
   nsCString mEncoding;
   nsCOMPtr<nsIUnicodeEncoder> mEncoder;