diff --git a/llvm/lib/Target/AMDGPU/AMDGPUInstructions.td b/llvm/lib/Target/AMDGPU/AMDGPUInstructions.td
--- a/llvm/lib/Target/AMDGPU/AMDGPUInstructions.td
+++ b/llvm/lib/Target/AMDGPU/AMDGPUInstructions.td
@@ -132,10 +132,6 @@
 
 let OperandType = "OPERAND_IMMEDIATE" in {
 
-def u32imm : Operand<i32> {
-  let PrintMethod = "printU32ImmOperand";
-}
-
 def u16imm : Operand<i16> {
   let PrintMethod = "printU16ImmOperand";
   let ParserMatchClass = u16ImmTarget;
@@ -146,10 +142,6 @@
   let ParserMatchClass = s16ImmTarget;
 }
 
-def u8imm : Operand<i8> {
-  let PrintMethod = "printU8ImmOperand";
-}
-
 } // End OperandType = "OPERAND_IMMEDIATE"
 
 //===--------------------------------------------------------------------===//