diff --git a/caffe2/operators/softmax_op_cudnn.cc b/caffe2/operators/softmax_op_cudnn.cc
index e51e1c623ebe..7ff9cbe230c2 100644
--- a/caffe2/operators/softmax_op_cudnn.cc
+++ b/caffe2/operators/softmax_op_cudnn.cc
@@ -5,14 +5,6 @@
 
 namespace caffe2 {
 
-namespace {
-constexpr int NUM_DESCRIPTORS = 2;
-constexpr int GRADIENT_NUM_DESCRIPTORS = 3;
-constexpr int BOTTOM_DESC_ID = 0;
-constexpr int TOP_DESC_ID = 1;
-constexpr int TOP_GRADIENT_DESC_ID = 2;
-} // namespace
-
 class CuDNNSoftmaxOp final : public Operator<CUDAContext> {
  public:
   template <class... Args>
diff --git a/torch/csrc/distributed/c10d/ProcessGroupUCC.cpp b/torch/csrc/distributed/c10d/ProcessGroupUCC.cpp
index a45f840b2b86..830e80eccb19 100644
--- a/torch/csrc/distributed/c10d/ProcessGroupUCC.cpp
+++ b/torch/csrc/distributed/c10d/ProcessGroupUCC.cpp
@@ -12,7 +12,6 @@
 namespace c10d {
 
 namespace {
-constexpr int64_t kBusyWaitMillis = 10;
 
 const std::map<c10::DeviceType, ucc_memory_type_t> ucc_mtype_map = {
     {c10::kCPU, UCC_MEMORY_TYPE_HOST},