diff --git a/logging/rtc_event_log/encoder/rtc_event_log_encoder_new_format.cc b/logging/rtc_event_log/encoder/rtc_event_log_encoder_new_format.cc
index 2a1d26a83b..da8f7870b1 100644
--- a/logging/rtc_event_log/encoder/rtc_event_log_encoder_new_format.cc
+++ b/logging/rtc_event_log/encoder/rtc_event_log_encoder_new_format.cc
@@ -315,7 +315,7 @@ size_t RemoveNonWhitelistedRtcpBlocks(const rtc::Buffer& packet,
 template <typename EventType, typename ProtoType>
 void EncodeRtcpPacket(rtc::ArrayView<const EventType*> batch,
                       ProtoType* proto_batch) {
-  if (batch.size() == 0) {
+  if (batch.empty()) {
     return;
   }
 
@@ -366,7 +366,7 @@ void EncodeRtcpPacket(rtc::ArrayView<const EventType*> batch,
 template <typename EventType, typename ProtoType>
 void EncodeRtpPacket(const std::vector<const EventType*>& batch,
                      ProtoType* proto_batch) {
-  if (batch.size() == 0) {
+  if (batch.empty()) {
     return;
   }
 
@@ -889,7 +889,7 @@ void RtcEventLogEncoderNewFormat::EncodeAlrState(
 void RtcEventLogEncoderNewFormat::EncodeAudioNetworkAdaptation(
     rtc::ArrayView<const RtcEventAudioNetworkAdaptation*> batch,
     rtclog2::EventStream* event_stream) {
-  if (batch.size() == 0)
+  if (batch.empty())
     return;
 
   // Base event
@@ -1041,7 +1041,7 @@ void RtcEventLogEncoderNewFormat::EncodeAudioNetworkAdaptation(
 void RtcEventLogEncoderNewFormat::EncodeAudioPlayout(
     rtc::ArrayView<const RtcEventAudioPlayout*> batch,
     rtclog2::EventStream* event_stream) {
-  if (batch.size() == 0)
+  if (batch.empty())
     return;
 
   // Base event
@@ -1120,7 +1120,7 @@ void RtcEventLogEncoderNewFormat::EncodeAudioSendStreamConfig(
 void RtcEventLogEncoderNewFormat::EncodeBweUpdateDelayBased(
     rtc::ArrayView<const RtcEventBweUpdateDelayBased*> batch,
     rtclog2::EventStream* event_stream) {
-  if (batch.size() == 0)
+  if (batch.empty())
     return;
 
   // Base event
@@ -1177,7 +1177,7 @@ void RtcEventLogEncoderNewFormat::EncodeBweUpdateDelayBased(
 void RtcEventLogEncoderNewFormat::EncodeBweUpdateLossBased(
     rtc::ArrayView<const RtcEventBweUpdateLossBased*> batch,
     rtclog2::EventStream* event_stream) {
-  if (batch.size() == 0)
+  if (batch.empty())
     return;
 
   // Base event
diff --git a/logging/rtc_event_log/rtc_event_log2rtp_dump.cc b/logging/rtc_event_log/rtc_event_log2rtp_dump.cc
index 62d6bfc6d1..cbe3e6d9d7 100644
--- a/logging/rtc_event_log/rtc_event_log2rtp_dump.cc
+++ b/logging/rtc_event_log/rtc_event_log2rtp_dump.cc
@@ -195,7 +195,7 @@ int main(int argc, char* argv[]) {
       webrtc::test::RtpFileWriter::Create(
           webrtc::test::RtpFileWriter::FileFormat::kRtpDump, output_file));
 
-  if (!rtp_writer.get()) {
+  if (!rtp_writer) {
     std::cerr << "Error while opening output file: " << output_file
               << std::endl;
     return -1;
diff --git a/logging/rtc_event_log/rtc_event_log_impl.cc b/logging/rtc_event_log/rtc_event_log_impl.cc
index b356e8b694..1b2e82a1b8 100644
--- a/logging/rtc_event_log/rtc_event_log_impl.cc
+++ b/logging/rtc_event_log/rtc_event_log_impl.cc
@@ -330,9 +330,9 @@ void RtcEventLogImpl::WriteConfigsAndHistoryToOutput(
   // This function is used to merge the strings instead of calling the output
   // object twice with small strings. The function also avoids copying any
   // strings in the typical case where there are no config events.
-  if (encoded_configs.size() == 0) {
+  if (encoded_configs.empty()) {
     WriteToOutput(encoded_history);  // Typical case.
-  } else if (encoded_history.size() == 0) {
+  } else if (encoded_history.empty()) {
     WriteToOutput(encoded_configs);  // Very unusual case.
   } else {
     WriteToOutput(encoded_configs + encoded_history);