1 files changed, 0 insertions, 21 deletions
diff --git a/js/src/jit/MIR.h b/js/src/jit/MIR.h
index ac55b1150..6c376d528 100644
--- a/js/src/jit/MIR.h
+++ b/js/src/jit/MIR.h
@@ -4186,27 +4186,6 @@ class MCallDOMNative : public MCall
     virtual void computeMovable() override;
 };
 
-// arr.splice(start, deleteCount) with unused return value.
-class MArraySplice
-  : public MTernaryInstruction,
-    public Mix3Policy<ObjectPolicy<0>, IntPolicy<1>, IntPolicy<2> >::Data
-{
-  private:
-
-    MArraySplice(MDefinition* object, MDefinition* start, MDefinition* deleteCount)
-      : MTernaryInstruction(object, start, deleteCount)
-    { }
-
-  public:
-    INSTRUCTION_HEADER(ArraySplice)
-    TRIVIAL_NEW_WRAPPERS
-    NAMED_OPERANDS((0, object), (1, start), (2, deleteCount))
-
-    bool possiblyCalls() const override {
-        return true;
-    }
-};
-
 // fun.apply(self, arguments)
 class MApplyArgs
   : public MAryInstruction<3>,