diff --git a/benchmarks/bionic_benchmarks.cpp b/benchmarks/bionic_benchmarks.cpp
index 81f1842..b88c6e5 100644
--- a/benchmarks/bionic_benchmarks.cpp
+++ b/benchmarks/bionic_benchmarks.cpp
@@ -372,7 +372,7 @@
 
 void RegisterGoogleBenchmarks(bench_opts_t primary_opts, bench_opts_t secondary_opts,
                               const std::string& fn_name, args_vector_t* run_args) {
-  if (g_str_to_func.find(fn_name) == g_str_to_func.end()) {
+  if (!g_str_to_func.contains(fn_name)) {
     errx(1, "ERROR: No benchmark for function %s", fn_name.c_str());
   }
   long iterations_to_use = primary_opts.num_iterations ? primary_opts.num_iterations :
diff --git a/tools/versioner/src/versioner.cpp b/tools/versioner/src/versioner.cpp
index 5afa00b..320c19c 100644
--- a/tools/versioner/src/versioner.cpp
+++ b/tools/versioner/src/versioner.cpp
@@ -142,7 +142,7 @@
 
   auto new_end = std::remove_if(headers.begin(), headers.end(), [&arch](llvm::StringRef header) {
     for (const auto& it : ignored_headers) {
-      if (it.second.find(arch) == it.second.end()) {
+      if (!it.second.contains(arch)) {
         continue;
       }