diff --git a/googlemock/src/gmock-internal-utils.cc b/googlemock/src/gmock-internal-utils.cc
index 31d55650..774cce33 100644
--- a/googlemock/src/gmock-internal-utils.cc
+++ b/googlemock/src/gmock-internal-utils.cc
@@ -87,7 +87,7 @@ GTEST_API_ std::string ConvertIdentifierNameToWords(const char* id_name) {
                                  (!IsDigit(prev_char) && IsDigit(*p));
 
     if (IsAlNum(*p)) {
-      if (starts_new_word && result != "") result += ' ';
+      if (starts_new_word && !result.empty()) result += ' ';
       result += ToLower(*p);
     }
   }
diff --git a/googlemock/src/gmock-matchers.cc b/googlemock/src/gmock-matchers.cc
index 5810b6aa..07bba4f0 100644
--- a/googlemock/src/gmock-matchers.cc
+++ b/googlemock/src/gmock-matchers.cc
@@ -53,7 +53,7 @@ GTEST_API_ std::string FormatMatcherDescription(
     bool negation, const char* matcher_name,
     const std::vector<const char*>& param_names, const Strings& param_values) {
   std::string result = ConvertIdentifierNameToWords(matcher_name);
-  if (param_values.size() >= 1) {
+  if (!param_values.empty()) {
     result += " " + JoinAsKeyValueTuple(param_names, param_values);
   }
   return negation ? "not (" + result + ")" : result;
diff --git a/googlemock/src/gmock-spec-builders.cc b/googlemock/src/gmock-spec-builders.cc
index afd802c3..a7fe9117 100644
--- a/googlemock/src/gmock-spec-builders.cc
+++ b/googlemock/src/gmock-spec-builders.cc
@@ -503,7 +503,7 @@ class MockObjectRegistry {
       std::cout << internal::FormatFileLocation(state.first_used_file,
                                                 state.first_used_line);
       std::cout << " ERROR: this mock object";
-      if (state.first_used_test != "") {
+      if (!state.first_used_test.empty()) {
         std::cout << " (used in test " << state.first_used_test_suite << "."
                   << state.first_used_test << ")";
       }