--- a/tools/profiler/core/ProfileBufferEntry.h
+++ b/tools/profiler/core/ProfileBufferEntry.h
@@ -178,31 +178,24 @@ public:
     mozilla::Maybe<JITAddress> mJITAddress;
     mozilla::Maybe<uint32_t> mJITDepth;
 
     explicit FrameKey(const char* aLocation)
      : mLocation(aLocation)
     {
     }
 
-    FrameKey(const FrameKey& aToCopy)
-     : mLocation(aToCopy.mLocation)
-     , mLine(aToCopy.mLine)
-     , mCategory(aToCopy.mCategory)
-     , mJITAddress(aToCopy.mJITAddress)
-     , mJITDepth(aToCopy.mJITDepth)
-    {
-    }
-
     FrameKey(const JITAddress& aJITAddress, uint32_t aJITDepth)
      : mJITAddress(mozilla::Some(aJITAddress))
      , mJITDepth(mozilla::Some(aJITDepth))
     {
     }
 
+    FrameKey(const FrameKey& aToCopy) = default;
+
     uint32_t Hash() const;
     bool operator==(const FrameKey& aOther) const;
   };
 
   struct StackKey {
     mozilla::Maybe<uint32_t> mPrefixStackIndex;
     uint32_t mFrameIndex;