diff --git a/lib/Conversion/TritonGPUToLLVM/TritonGPUToLLVM.cpp b/lib/Conversion/TritonGPUToLLVM/TritonGPUToLLVM.cpp
index bfe2159ab312..087f971290c9 100644
--- a/lib/Conversion/TritonGPUToLLVM/TritonGPUToLLVM.cpp
+++ b/lib/Conversion/TritonGPUToLLVM/TritonGPUToLLVM.cpp
@@ -196,7 +196,7 @@ struct PrintOpConversion
 
   static void llPrintf(StringRef msg, ValueRange args,
                        ConversionPatternRewriter &rewriter) {
-    assert(!msg.empty() && "printf with empty string not support");
+    assert(!msg.empty() && "printf with empty string not supported");
     Type int8Ptr = ptr_ty(i8_ty);
 
     auto *ctx = rewriter.getContext();
@@ -685,29 +685,6 @@ struct AsyncBulkCommitGroupOpConversion
   }
 };
 
-namespace mlir {
-namespace LLVM {
-
-void vprintf(StringRef msg, ValueRange args,
-             ConversionPatternRewriter &rewriter) {
-  PrintOpConversion::llPrintf(msg, args, rewriter);
-}
-
-void vprintf_array(Value thread, ArrayRef<Value> arr, std::string info,
-                   std::string elem_repr, ConversionPatternRewriter &builder) {
-  std::string fmt = info + " t-%d ";
-  std::vector<Value> new_arr({thread});
-  for (int i = 0; i < arr.size(); ++i) {
-    fmt += elem_repr + ((i == arr.size() - 1) ? "" : ", ");
-    new_arr.push_back(arr[i]);
-  }
-
-  vprintf(fmt, new_arr, builder);
-}
-
-} // namespace LLVM
-} // namespace mlir
-
 void populateTritonGPUToLLVMPatterns(
     TritonGPUToLLVMTypeConverter &typeConverter, RewritePatternSet &patterns,
     int numWarps, ModuleAxisInfoAnalysis &axisInfoAnalysis,
diff --git a/lib/Conversion/TritonGPUToLLVM/TritonGPUToLLVMBase.h b/lib/Conversion/TritonGPUToLLVM/TritonGPUToLLVMBase.h
index eddfb66131f2..8d7a772b1231 100644
--- a/lib/Conversion/TritonGPUToLLVM/TritonGPUToLLVMBase.h
+++ b/lib/Conversion/TritonGPUToLLVM/TritonGPUToLLVMBase.h
@@ -37,19 +37,6 @@ namespace ttng = ::mlir::triton::nvidia_gpu;
 
 typedef DenseMap<Operation *, triton::MakeTensorPtrOp> TensorPtrMapT;
 
-namespace mlir {
-namespace LLVM {
-
-// Helper function for using printf in LLVM conversion.
-void vprintf(StringRef msg, ValueRange args,
-             ConversionPatternRewriter &rewriter);
-
-void vprintf_array(Value thread, ArrayRef<Value> arr, std::string info,
-                   std::string elem_repr, ConversionPatternRewriter &builder);
-
-} // namespace LLVM
-} // namespace mlir
-
 // FuncOpConversion/FuncOpConversionBase is borrowed from
 // https://github.com/llvm/llvm-project/blob/fae656b2dd80246c3c6f01e9c77c49560368752c/mlir/lib/Conversion/FuncToLLVM/FuncToLLVM.cpp#L276
 // since it is not exposed on header files in mlir v14