diff --git a/src/main/cpp/util/BUILD b/src/main/cpp/util/BUILD
index faafd9b..5a9c53c 100644
--- a/src/main/cpp/util/BUILD
+++ b/src/main/cpp/util/BUILD
@@ -153,26 +153,6 @@
 )
 
 cc_library(
-    name = "profiler",
-    srcs = [
-        "profiler.cc",
-    ] + select({
-        "//src/conditions:windows": ["profiler_windows.cc"],
-        "//conditions:default": ["profiler_posix.cc"],
-    }),
-    hdrs = ["profiler.h"],
-    visibility = [
-        "//src/main/cpp:__pkg__",
-        "//src/test/cpp/util:__pkg__",
-    ],
-    deps = [
-        ":blaze_exit_code",
-        ":errors",
-        ":logging",
-    ],
-)
-
-cc_library(
     name = "blaze_exit_code",
     hdrs = ["exit_code.h"],
     visibility = ["//visibility:public"],
diff --git a/src/main/cpp/util/profiler.cc b/src/main/cpp/util/profiler.cc
deleted file mode 100644
index 76c99d3..0000000
--- a/src/main/cpp/util/profiler.cc
+++ /dev/null
@@ -1,37 +0,0 @@
-// Copyright 2018 The Bazel Authors. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//    http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#include "src/main/cpp/util/profiler.h"
-
-#include <inttypes.h>
-#include <stdio.h>
-
-namespace blaze_util {
-namespace profiler {
-
-Task::~Task() {
-  Duration duration = GetDuration();
-  fprintf(stderr, "Task(%s): %" PRIu64 " calls (%" PRId64 " microseconds)\n",
-          name_, GetCalls(), duration.micros_);
-}
-
-void StopWatch::PrintAndReset(const char* name) {
-  Duration elapsed = ElapsedTime();
-  fprintf(stderr, "StopWatch(%s): %" PRId64 " microseconds elapsed\n", name,
-          elapsed.micros_);
-  Reset();
-}
-
-}  // namespace profiler
-}  // namespace blaze_util
diff --git a/src/main/cpp/util/profiler.h b/src/main/cpp/util/profiler.h
deleted file mode 100644
index 80098ee..0000000
--- a/src/main/cpp/util/profiler.h
+++ /dev/null
@@ -1,138 +0,0 @@
-// Copyright 2018 The Bazel Authors. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//    http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#ifndef BAZEL_SRC_MAIN_CPP_UTIL_PROFILER_H_
-#define BAZEL_SRC_MAIN_CPP_UTIL_PROFILER_H_
-
-#include <stdint.h>  // int64_t
-#include <stdio.h>   // printf
-
-namespace blaze_util {
-namespace profiler {
-
-// A time duration, measured in some implementation-dependent units.
-//
-// Using a struct to wrap int64_t yields a unique type that we can't
-// accidentally use as a type-synonym of other int64_t types.
-struct Ticks {
-  int64_t value_;
-  static Ticks Now();
-};
-
-// A time duration, measured in microseconds.
-//
-// Using a struct to wrap int64_t yields a unique type that we can't
-// accidentally use as a type-synonym of other int64_t types.
-struct Duration {
-  int64_t micros_;
-  static Duration FromTicks(const Ticks ticks);
-};
-
-// Accumulates statistics about a function or some C++ scope.
-//
-// Usage: see ScopedTask.
-//
-// Records the number of times the scope was entered (the function called) and
-// the total time spent in there. Prints the statistics in the destructor.
-class Task {
-  const char* name_;
-  uint64_t calls_;
-  Ticks total_;
-
- public:
-  Task(const char* name) : name_(name), calls_(0), total_({0}) {}
-  ~Task();
-  void AddCall() { calls_++; }
-  void AddTicks(const Ticks t) { total_.value_ += t.value_; }
-  uint64_t GetCalls() const { return calls_; }
-  Duration GetDuration() const { return Duration::FromTicks(total_); }
-};
-
-// Measures elapsed time.
-//
-// Example:
-//   void foo() {
-//     StopWatch s;
-//     ...
-//     s.PrintAndReset("marker 1");  // prints elapsed time since creation
-//     ...
-//     s.PrintAndReset("marker 2");  // prints elapsed time since "marker 1"
-//     ...
-//     s.Reset();
-//     ...
-//     Ticks t1 = s.Elapsed();  // time since Reset
-//     ...
-//     Ticks t2 = s.Elapsed();  // time since Reset, not since t1
-//   }
-//
-class StopWatch {
-  Ticks start_;
-
- public:
-  // Constructor -- it also resets this StopWatch.
-  StopWatch() { start_ = Ticks::Now(); }
-
-  // Prints elapsed time since last reset, then resets.
-  //
-  // Args:
-  //   name: a descriptive name, will be printed in the output
-  void PrintAndReset(const char* name);
-
-  // Returns the elapsed time since the last reset as `Ticks`.
-  Ticks Elapsed() const {
-    Ticks now = Ticks::Now();
-    return {now.value_ - start_.value_};
-  }
-
-  // Returns the elapsed time since the last reset as `Duration`.
-  Duration ElapsedTime() const { return Duration::FromTicks(Elapsed()); }
-
-  // Resets this StopWatch to the current time.
-  void Reset() { start_ = Ticks::Now(); }
-};
-
-// Measures the execution duration of a given C++ scope.
-//
-// The constructor records one call of the scope in a `Task` object, and the
-// destructor records the time spent in the scope in that `Task` object.
-//
-// Usage:
-//   create one Task that accumulates the statistics for a given function
-//   or scope, and create one ScopedTask in the beginning of the scope you want
-//   to measure. Every time the scope is entered (the function is called), a
-//   ScopedTask is created, then destructed when the execution leaves the scope.
-//   The destructor then records the statistics in the Task.
-//
-// Example:
-//   Task slow_function_stats("slow function");  // d'tor prints stats
-//
-//   void slow_function() {
-//     ScopedTask prof(&slow_function_stats);
-//     ...
-//   }
-//
-class ScopedTask {
- public:
-  ScopedTask(Task* s) : stat_(s) { stat_->AddCall(); }
-  ~ScopedTask() { stat_->AddTicks(prof_.Elapsed()); }
-
- private:
-  Task* stat_;
-  StopWatch prof_;
-};
-
-}  // namespace profiler
-}  // namespace blaze_util
-
-#endif  // BAZEL_SRC_MAIN_CPP_UTIL_PROFILER_H_
diff --git a/src/main/cpp/util/profiler_posix.cc b/src/main/cpp/util/profiler_posix.cc
deleted file mode 100644
index c86d509..0000000
--- a/src/main/cpp/util/profiler_posix.cc
+++ /dev/null
@@ -1,43 +0,0 @@
-// Copyright 2018 The Bazel Authors. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//    http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#include "src/main/cpp/util/profiler.h"
-
-#include <time.h>
-
-#include <string>
-
-#include "src/main/cpp/util/errors.h"
-#include "src/main/cpp/util/exit_code.h"
-#include "src/main/cpp/util/logging.h"
-
-namespace blaze_util {
-namespace profiler {
-
-Ticks Ticks::Now() {
-  struct timespec ts = {};
-  if (clock_gettime(CLOCK_MONOTONIC, &ts) == -1) {
-    std::string error = GetLastErrorString();
-    BAZEL_DIE(blaze_exit_code::LOCAL_ENVIRONMENTAL_ERROR)
-        << "clock_gettime failed: " << error;
-  }
-  return {ts.tv_sec * 1000LL * 1000LL * 1000LL + ts.tv_nsec};
-}
-
-Duration Duration::FromTicks(const Ticks ticks) {
-  return {ticks.value_ / 1000LL};
-}
-
-}  // namespace profiler
-}  // namespace blaze_util
diff --git a/src/main/cpp/util/profiler_windows.cc b/src/main/cpp/util/profiler_windows.cc
deleted file mode 100644
index d4d702f..0000000
--- a/src/main/cpp/util/profiler_windows.cc
+++ /dev/null
@@ -1,53 +0,0 @@
-// Copyright 2018 The Bazel Authors. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//    http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#ifndef WIN32_LEAN_AND_MEAN
-#define WIN32_LEAN_AND_MEAN
-#endif
-
-#include "src/main/cpp/util/profiler.h"
-
-#include <windows.h>
-
-#include <string>
-
-#include "src/main/cpp/util/errors.h"
-#include "src/main/cpp/util/exit_code.h"
-#include "src/main/cpp/util/logging.h"
-
-namespace blaze_util {
-namespace profiler {
-
-Ticks Ticks::Now() {
-  LARGE_INTEGER counter;
-  if (!QueryPerformanceCounter(&counter)) {
-    std::string error = GetLastErrorString();
-    BAZEL_DIE(blaze_exit_code::LOCAL_ENVIRONMENTAL_ERROR)
-        << "QueryPerformanceCounter failed: " << error;
-  }
-  return {counter.QuadPart};
-}
-
-Duration Duration::FromTicks(const Ticks t) {
-  LARGE_INTEGER freq;
-  if (!QueryPerformanceFrequency(&freq)) {
-    std::string error = GetLastErrorString();
-    BAZEL_DIE(blaze_exit_code::LOCAL_ENVIRONMENTAL_ERROR)
-        << "QueryPerformanceFrequency failed: " << error;
-  }
-  return {(t.value_ * 1000LL * 1000LL) / freq.QuadPart};
-}
-
-}  // namespace profiler
-}  // namespace blaze_util
diff --git a/src/test/cpp/util/BUILD b/src/test/cpp/util/BUILD
index 03341ad..68946db 100644
--- a/src/test/cpp/util/BUILD
+++ b/src/test/cpp/util/BUILD
@@ -137,15 +137,6 @@
     }),
 )
 
-cc_test(
-    name = "profiler_test",
-    srcs = ["profiler_test.cc"],
-    deps = [
-        "//src/main/cpp/util:profiler",
-        "@com_google_googletest//:gtest_main",
-    ],
-)
-
 cc_library(
     name = "test_util",
     testonly = 1,
diff --git a/src/test/cpp/util/profiler_test.cc b/src/test/cpp/util/profiler_test.cc
deleted file mode 100644
index 3af3752..0000000
--- a/src/test/cpp/util/profiler_test.cc
+++ /dev/null
@@ -1,70 +0,0 @@
-// Copyright 2018 The Bazel Authors. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//    http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#include "src/main/cpp/util/profiler.h"
-
-#include <thread>  // NOLINT
-
-#include "googletest/include/gtest/gtest.h"
-
-namespace blaze_util {
-namespace profiler {
-
-static void SleepMeasurably() {
-  // The profiler should have at least 1 ms precision.
-  std::this_thread::sleep_for(std::chrono::milliseconds(1));
-}
-
-TEST(ProfilerTest, TestStopWatchMeasuresElapsedTime) {
-  StopWatch sw1, sw2;
-
-  SleepMeasurably();
-  Duration t1 = Duration::FromTicks(sw1.Elapsed());
-  SleepMeasurably();
-  Duration t2 = Duration::FromTicks(sw1.Elapsed());
-
-  // Assert that two sleeps show a longer elapsed time than one sleep.
-  ASSERT_GT(t2.micros_, t1.micros_);
-
-  sw2.Reset();
-  SleepMeasurably();
-  Duration t3_not_reset = Duration::FromTicks(sw1.Elapsed());
-  Duration t3_reset = Duration::FromTicks(sw2.Elapsed());
-
-  // Assert that sleeping the same amounts, a Reset() call results in less
-  // elapsed time in one StopWatch than in the other. (This way we don't rely on
-  // sleep completing in a timely manner.)
-  ASSERT_GT(t3_not_reset.micros_, t3_reset.micros_);
-}
-
-TEST(ProfilerTest, TestScopedTaskMeasuresElapsedTime) {
-  Task scope1("task 2"), scope2("task 2"), scope_both("tasks 1 and 2");
-  {
-    ScopedTask p1(&scope1), p2(&scope_both);
-    SleepMeasurably();
-  }
-  {
-    ScopedTask p1(&scope2), p2(&scope_both);
-    SleepMeasurably();
-    SleepMeasurably();
-  }
-  ASSERT_GT(scope_both.GetDuration().micros_, scope1.GetDuration().micros_);
-  ASSERT_GT(scope_both.GetDuration().micros_, scope2.GetDuration().micros_);
-  ASSERT_EQ(scope1.GetCalls(), 1u);
-  ASSERT_EQ(scope2.GetCalls(), 1u);
-  ASSERT_EQ(scope_both.GetCalls(), 2u);
-}
-
-}  // namespace profiler
-}  // namespace blaze_util