diff --git a/include/benchmark/benchmark_api.h b/include/benchmark/benchmark_api.h
index f098255d..4dec01fc 100644
--- a/include/benchmark/benchmark_api.h
+++ b/include/benchmark/benchmark_api.h
@@ -151,7 +151,7 @@ BENCHMARK(BM_MultiThreaded)->Threads(4);
 namespace benchmark {
 class BenchmarkReporter;
 
-void Initialize(int* argc, const char** argv);
+void Initialize(int* argc, char** argv);
 
 // Otherwise, run all benchmarks specified by the --benchmark_filter flag,
 // and exit after running the benchmarks.
@@ -593,10 +593,10 @@ protected:                                                  \
 
 
 // Helper macro to create a main routine in a test that runs the benchmarks
-#define BENCHMARK_MAIN()                             \
-  int main(int argc, const char** argv) {            \
-    ::benchmark::Initialize(&argc, argv);            \
-    ::benchmark::RunSpecifiedBenchmarks();           \
+#define BENCHMARK_MAIN()                   \
+  int main(int argc, char** argv) {        \
+    ::benchmark::Initialize(&argc, argv);  \
+    ::benchmark::RunSpecifiedBenchmarks(); \
   }
 
 #endif  // BENCHMARK_BENCHMARK_API_H_
diff --git a/src/benchmark.cc b/src/benchmark.cc
index 11681244..c9e58883 100644
--- a/src/benchmark.cc
+++ b/src/benchmark.cc
@@ -863,7 +863,7 @@ void PrintUsageAndExit() {
   exit(0);
 }
 
-void ParseCommandLineFlags(int* argc, const char** argv) {
+void ParseCommandLineFlags(int* argc, char** argv) {
   using namespace benchmark;
   for (int i = 1; i < *argc; ++i) {
     if (
@@ -904,7 +904,7 @@ Benchmark* RegisterBenchmarkInternal(Benchmark* bench) {
 
 } // end namespace internal
 
-void Initialize(int* argc, const char** argv) {
+void Initialize(int* argc, char** argv) {
   internal::ParseCommandLineFlags(argc, argv);
   internal::SetLogLevel(FLAGS_v);
   // TODO remove this. It prints some output the first time it is called.
diff --git a/test/filter_test.cc b/test/filter_test.cc
index e23b9629..8f040ef9 100644
--- a/test/filter_test.cc
+++ b/test/filter_test.cc
@@ -67,7 +67,7 @@ BENCHMARK(BM_FooBa);
 
 
 
-int main(int argc, const char* argv[]) {
+int main(int argc, char* argv[]) {
   benchmark::Initialize(&argc, argv);
 
   TestReporter test_reporter;
@@ -82,4 +82,3 @@ int main(int argc, const char* argv[]) {
     return -1;
   }
 }
-