diff --git a/table/table_reader_bench.cc b/table/table_reader_bench.cc
index a0ff0d7f0e..650849a553 100644
--- a/table/table_reader_bench.cc
+++ b/table/table_reader_bench.cc
@@ -3,6 +3,14 @@
 //  LICENSE file in the root directory of this source tree. An additional grant
 //  of patent rights can be found in the PATENTS file in the same directory.
 
+#ifndef GFLAGS
+#include <cstdio>
+int main() {
+  fprintf(stderr, "Please install gflags to run rocksdb tools\n");
+  return 1;
+}
+#else
+
 #include <gflags/gflags.h>
 
 #include "rocksdb/db.h"
@@ -18,6 +26,9 @@
 #include "util/testharness.h"
 #include "util/testutil.h"
 
+using GFLAGS::ParseCommandLineFlags;
+using GFLAGS::SetUsageMessage;
+
 namespace rocksdb {
 
 namespace {
@@ -232,9 +243,9 @@ DEFINE_string(time_unit, "microsecond",
               "`microsecond` (default) or `nanosecond`");
 
 int main(int argc, char** argv) {
-  google::SetUsageMessage(std::string("\nUSAGE:\n") + std::string(argv[0]) +
-                          " [OPTIONS]...");
-  google::ParseCommandLineFlags(&argc, &argv, true);
+  SetUsageMessage(std::string("\nUSAGE:\n") + std::string(argv[0]) +
+                  " [OPTIONS]...");
+  ParseCommandLineFlags(&argc, &argv, true);
 
   rocksdb::TableFactory* tf = new rocksdb::BlockBasedTableFactory();
   rocksdb::Options options;
@@ -269,3 +280,5 @@ int main(int argc, char** argv) {
   delete tf;
   return 0;
 }
+
+#endif  // GFLAGS
diff --git a/util/bloom_test.cc b/util/bloom_test.cc
index 2c430e2037..881e3b0f59 100644
--- a/util/bloom_test.cc
+++ b/util/bloom_test.cc
@@ -7,6 +7,14 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
 
+#ifndef GFLAGS
+#include <cstdio>
+int main() {
+  fprintf(stderr, "Please install gflags to run rocksdb tools\n");
+  return 1;
+}
+#else
+
 #include <gflags/gflags.h>
 
 #include "rocksdb/filter_policy.h"
@@ -15,6 +23,8 @@
 #include "util/testharness.h"
 #include "util/testutil.h"
 
+using GFLAGS::ParseCommandLineFlags;
+
 DEFINE_int32(bits_per_key, 10, "");
 
 namespace rocksdb {
@@ -164,7 +174,9 @@ TEST(BloomTest, VaryingLengths) {
 }  // namespace rocksdb
 
 int main(int argc, char** argv) {
-  google::ParseCommandLineFlags(&argc, &argv, true);
+  ParseCommandLineFlags(&argc, &argv, true);
 
   return rocksdb::test::RunAllTests();
 }
+
+#endif  // GFLAGS
diff --git a/util/dynamic_bloom_test.cc b/util/dynamic_bloom_test.cc
index 4a34d509a0..b72ab24c5e 100644
--- a/util/dynamic_bloom_test.cc
+++ b/util/dynamic_bloom_test.cc
@@ -3,6 +3,14 @@
 //  LICENSE file in the root directory of this source tree. An additional grant
 //  of patent rights can be found in the PATENTS file in the same directory.
 
+#ifndef GFLAGS
+#include <cstdio>
+int main() {
+  fprintf(stderr, "Please install gflags to run rocksdb tools\n");
+  return 1;
+}
+#else
+
 #define __STDC_FORMAT_MACROS
 #include <inttypes.h>
 #include <algorithm>
@@ -15,6 +23,8 @@
 #include "util/testutil.h"
 #include "util/stop_watch.h"
 
+using GFLAGS::ParseCommandLineFlags;
+
 DEFINE_int32(bits_per_key, 10, "");
 DEFINE_int32(num_probes, 6, "");
 DEFINE_bool(enable_perf, false, "");
@@ -196,7 +206,9 @@ TEST(DynamicBloomTest, perf) {
 }  // namespace rocksdb
 
 int main(int argc, char** argv) {
-  google::ParseCommandLineFlags(&argc, &argv, true);
+  ParseCommandLineFlags(&argc, &argv, true);
 
   return rocksdb::test::RunAllTests();
 }
+
+#endif  // GFLAGS
diff --git a/util/log_write_bench.cc b/util/log_write_bench.cc
index 536d14ff85..16e7af7e2c 100644
--- a/util/log_write_bench.cc
+++ b/util/log_write_bench.cc
@@ -3,6 +3,14 @@
 //  LICENSE file in the root directory of this source tree. An additional grant
 //  of patent rights can be found in the PATENTS file in the same directory.
 
+#ifndef GFLAGS
+#include <cstdio>
+int main() {
+  fprintf(stderr, "Please install gflags to run rocksdb tools\n");
+  return 1;
+}
+#else
+
 #include <gflags/gflags.h>
 
 #include "rocksdb/env.h"
@@ -10,6 +18,9 @@
 #include "util/testharness.h"
 #include "util/testutil.h"
 
+using GFLAGS::ParseCommandLineFlags;
+using GFLAGS::SetUsageMessage;
+
 // A simple benchmark to simulate transactional logs
 
 DEFINE_int32(num_records, 6000, "Number of records.");
@@ -60,10 +71,12 @@ void RunBenchmark() {
 }  // namespace rocksdb
 
 int main(int argc, char** argv) {
-  google::SetUsageMessage(std::string("\nUSAGE:\n") + std::string(argv[0]) +
-                          " [OPTIONS]...");
-  google::ParseCommandLineFlags(&argc, &argv, true);
+  SetUsageMessage(std::string("\nUSAGE:\n") + std::string(argv[0]) +
+                  " [OPTIONS]...");
+  ParseCommandLineFlags(&argc, &argv, true);
 
   rocksdb::RunBenchmark();
   return 0;
 }
+
+#endif  // GFLAGS