diff --git a/torchvision/csrc/ops/quantized/cpu/qnms_kernel.cpp b/torchvision/csrc/ops/quantized/cpu/qnms_kernel.cpp
index fdcf21a2ae3..5493a2517b9 100644
--- a/torchvision/csrc/ops/quantized/cpu/qnms_kernel.cpp
+++ b/torchvision/csrc/ops/quantized/cpu/qnms_kernel.cpp
@@ -115,6 +115,11 @@ at::Tensor qnms_kernel(
       " and ",
       scores.size(0));
 
+  TORCH_WARN_ONCE(
+      "Quantized NMS support is deprecated since torchvision 0.27 and will ",
+      "be removed in torchvision 0.28. Please dequantize your tensors before ",
+      "calling NMS.");
+
   auto result = at::empty({0});
 
   AT_DISPATCH_QINT_TYPES(dets.scalar_type(), "qnms_kernel", [&] {
diff --git a/torchvision/csrc/ops/quantized/cpu/qroi_align_kernel.cpp b/torchvision/csrc/ops/quantized/cpu/qroi_align_kernel.cpp
index c9097603f39..3a7ed01f833 100644
--- a/torchvision/csrc/ops/quantized/cpu/qroi_align_kernel.cpp
+++ b/torchvision/csrc/ops/quantized/cpu/qroi_align_kernel.cpp
@@ -243,6 +243,11 @@ at::Tensor qroi_align_forward_kernel(
       input.size(0) == 1,
       "Only one image per batch is allowed in roi_align when quantized tensors are passed.");
 
+  TORCH_WARN_ONCE(
+      "Quantized roi_align support is deprecated since torchvision 0.27 and ",
+      "will be removed in torchvision 0.28. Please dequantize your tensors ",
+      "before calling roi_align.");
+
   at::TensorArg input_t{input, "input", 1}, rois_t{rois, "rois", 2};
 
   at::CheckedFrom c = "qroi_align_forward_kernel";