Minor cleanup: Remove unused BUILD dependencies and unnecessary code.

PiperOrigin-RevId: 157837211

tensorflow/compiler/xla/service/BUILD

@@ -1683,10 +1683,8 @@ cc_library(
     deps = [
         ":buffer_assignment",
         ":hlo",
-        ":hlo_ordering",
         ":hlo_proto",
         "//tensorflow/compiler/xla:status",
-        "//tensorflow/compiler/xla:util",
         "//tensorflow/core:lib",
     ],
 )

tensorflow/compiler/xla/service/hlo_computation.cc

@@ -311,7 +311,6 @@ void ComputeComputationPostOrder(
 
   visited->insert(computation);
   post_order->push_back(computation);
-  return;
 }
 
 }  // namespace

tensorflow/core/common_runtime/stats_publisher_interface.cc

@@ -15,29 +15,30 @@ limitations under the License.
 
 #include "tensorflow/core/common_runtime/stats_publisher_interface.h"
 
-namespace tensorflow {
+#include "tensorflow/core/framework/graph.pb.h"
 
+namespace tensorflow {
 namespace {
+
 // NoOpStatsPublisher provides an dummy/no-op implementation of
 // StatsPublisherInterface.
 class NoOpStatsPublisher : public StatsPublisherInterface {
  public:
-  NoOpStatsPublisher(){};
+  NoOpStatsPublisher() = default;
 
-  void PublishStatsProto(const StepStats& step_stats) override { return; }
+  void PublishStatsProto(const StepStats& step_stats) override {}
 
   void PublishGraphProto(
-      const std::vector<const GraphDef*>& graph_defs) override {
-    return;
-  }
+      const std::vector<const GraphDef*>& graph_defs) override {}
 
   std::unique_ptr<ProfileHandler> GetProfileHandler(
       uint64 step, int64 execution_count, const RunOptions& ropts) override {
     return nullptr;
   }
 
-  ~NoOpStatsPublisher() override {}
+  ~NoOpStatsPublisher() override = default;
 };
+
 }  // namespace
 
 std::unique_ptr<StatsPublisherInterface> CreateNoOpStatsPublisher(

tensorflow/core/framework/rendezvous.cc

@@ -283,7 +283,6 @@ class LocalRendezvousImpl : public Rendezvous {
     }
     CHECK(table_.insert({key_hash, item}).second);
     mu_.unlock();
-    return;
   }
 
   void StartAbort(const Status& status) override {

tensorflow/core/framework/tensor_test.cc

@@ -820,16 +820,14 @@ namespace {
 // failures to allocate.
 class DummyCPUAllocator : public Allocator {
  public:
-  DummyCPUAllocator() {}
+  DummyCPUAllocator() = default;
   string Name() override { return "cpu"; }
   void* AllocateRaw(size_t alignment, size_t num_bytes) override {
     return nullptr;
   }
-  void DeallocateRaw(void* ptr) override { return; }
+  void DeallocateRaw(void* ptr) override {}
 };
 
-}  // namespace
-
 TEST(Tensor, FailureToAllocate) {
   TensorShape shape({1});
   DummyCPUAllocator allocator;
@@ -1080,4 +1078,5 @@ static void BM_CreateAndMoveCtrWithBuf(int iters) {
 }
 BENCHMARK(BM_CreateAndMoveCtrWithBuf);
 
+}  // namespace
 }  // namespace tensorflow

tensorflow/examples/wav_to_spectrogram/BUILD

@@ -15,12 +15,8 @@ exports_files(["LICENSE"])
 
 cc_library(
     name = "wav_to_spectrogram_lib",
-    srcs = [
-        "wav_to_spectrogram.cc",
-    ],
-    hdrs = [
-        "wav_to_spectrogram.h",
-    ],
+    srcs = ["wav_to_spectrogram.cc"],
+    hdrs = ["wav_to_spectrogram.h"],
     deps = [
         "//tensorflow/cc:cc_ops",
         "//tensorflow/core:framework_internal",
@@ -30,13 +26,10 @@ cc_library(
 
 cc_binary(
     name = "wav_to_spectrogram",
-    srcs = [
-        "main.cc",
-    ],
+    srcs = ["main.cc"],
     deps = [
         ":wav_to_spectrogram_lib",
         "//tensorflow/core:framework_internal",
-        "//tensorflow/core:tensorflow",
     ],
 )