diff --git a/llvm/lib/Target/M68k/AsmParser/M68kAsmParser.cpp b/llvm/lib/Target/M68k/AsmParser/M68kAsmParser.cpp
index e9ce3892dba5..bde44d4545d0 100644
--- a/llvm/lib/Target/M68k/AsmParser/M68kAsmParser.cpp
+++ b/llvm/lib/Target/M68k/AsmParser/M68kAsmParser.cpp
@@ -153,12 +153,6 @@ public:
   bool isDReg() const;
   unsigned getReg() const override;
   void addRegOperands(MCInst &Inst, unsigned N) const;
-  void addARegOperands(MCInst &Inst, unsigned N) const {
-    addRegOperands(Inst, N);
-  }
-  void addDRegOperands(MCInst &Inst, unsigned N) const {
-    addRegOperands(Inst, N);
-  }
 
   static std::unique_ptr<M68kOperand> createMemOp(M68kMemOp MemOp, SMLoc Start,
                                                   SMLoc End);
diff --git a/llvm/lib/Target/M68k/M68kInstrInfo.td b/llvm/lib/Target/M68k/M68kInstrInfo.td
index e465f256c097..3825c24f8e5c 100644
--- a/llvm/lib/Target/M68k/M68kInstrInfo.td
+++ b/llvm/lib/Target/M68k/M68kInstrInfo.td
@@ -176,8 +176,10 @@ def MxRegClass : MxOpClass<"Reg">;
 // both ADD32dd and ADD32dr has {MCK_RegClass, MCK_RegClass} for
 // their operands, which makes AsmParser unable to pick the correct
 // one in a deterministic way.
-def MxARegClass : MxOpClass<"AReg">;
-def MxDRegClass : MxOpClass<"DReg">;
+let RenderMethod = "addRegOperands", SuperClasses = [MxRegClass] in {
+  def MxARegClass : MxOpClass<"AReg">;
+  def MxDRegClass : MxOpClass<"DReg">;
+}
 
 class MxOperand<ValueType vt, MxSize size, string letter, RegisterClass rc, dag pat = (null_frag)> {
   ValueType VT = vt;