diff --git a/src/wifi/examples/test-interference-helper.cc b/src/wifi/examples/test-interference-helper.cc
index 7559bb3d4..6f18fff01 100644
--- a/src/wifi/examples/test-interference-helper.cc
+++ b/src/wifi/examples/test-interference-helper.cc
@@ -248,7 +248,7 @@ int main (int argc, char *argv[])
   InterferenceExperiment::Input input;
   std::string str_standard = "WIFI_PHY_STANDARD_80211a";
   std::string str_preamble = "WIFI_PREAMBLE_LONG";
-  double delay = 0; //microseconds
+  uint64_t delay = 0; //microseconds
 
   CommandLine cmd;
   cmd.AddValue ("delay", "Delay in microseconds between frame transmission from sender A and frame transmission from sender B", delay);
@@ -269,11 +269,6 @@ int main (int argc, char *argv[])
   cmd.AddValue ("expectRxBSuccessfull", "Indicate whether packet B is expected to be successfully received", expectRxBSuccessfull);
   cmd.Parse (argc, argv);
 
-  LogComponentEnable ("WifiPhy", LOG_LEVEL_ALL);
-  LogComponentEnable ("YansWifiPhy", LOG_LEVEL_ALL);
-  LogComponentEnable ("InterferenceHelper", LOG_LEVEL_ALL);
-  LogComponentEnable ("SimpleFrameCaptureModel", LOG_LEVEL_ALL);
-
   input.interval = MicroSeconds (delay);
 
   if (input.xA >= 0 || input.xB <= 0)
diff --git a/src/wifi/examples/wifi-manager-example.cc b/src/wifi/examples/wifi-manager-example.cc
index 1aa3bc327..c67a99311 100644
--- a/src/wifi/examples/wifi-manager-example.cc
+++ b/src/wifi/examples/wifi-manager-example.cc
@@ -103,7 +103,7 @@ struct StandardInfo
    * \param xMax x maximum
    * \param yMax y maximum
    */
-  StandardInfo (std::string name, WifiPhyStandard standard, uint16_t width, double snrLow, double snrHigh, double xMin, double xMax, double yMax)
+  StandardInfo (std::string name, WifiPhyStandard standard, uint8_t width, double snrLow, double snrHigh, double xMin, double xMax, double yMax)
     : m_name (name),
       m_standard (standard),
       m_width (width),
@@ -116,7 +116,7 @@ struct StandardInfo
   }
   std::string m_name; ///< name
   WifiPhyStandard m_standard; ///< standard
-  uint16_t m_width; ///< channel width
+  uint8_t m_width; ///< channel width
   double m_snrLow; ///< lowest SNR
   double m_snrHigh; ///< highest SNR
   double m_xMin;  ///< X minimum
@@ -317,7 +317,7 @@ int main (int argc, char *argv[])
   NS_ABORT_IF (clientSelectedStandard.m_name == "none");
   std::cout << "Testing " << serverSelectedStandard.m_name << " with " << wifiManager << " ..." << std::endl;
   NS_ABORT_MSG_IF (clientSelectedStandard.m_snrLow >= clientSelectedStandard.m_snrHigh, "SNR values in wrong order");
-  steps = std::abs ((int) (clientSelectedStandard.m_snrHigh - clientSelectedStandard.m_snrLow ) / stepSize) + 1;
+  steps = static_cast<uint32_t>(std::abs<double> ((clientSelectedStandard.m_snrHigh - clientSelectedStandard.m_snrLow ) / stepSize) + 1);
   NS_LOG_DEBUG ("Using " << steps << " steps for SNR range " << clientSelectedStandard.m_snrLow << ":" << clientSelectedStandard.m_snrHigh);
   Ptr<Node> clientNode = CreateObject<Node> ();
   Ptr<Node> serverNode = CreateObject<Node> ();
diff --git a/src/wifi/helper/wifi-helper.cc b/src/wifi/helper/wifi-helper.cc
index 67709ce93..68daea13c 100644
--- a/src/wifi/helper/wifi-helper.cc
+++ b/src/wifi/helper/wifi-helper.cc
@@ -205,7 +205,7 @@ WifiPhyHelper::PcapSniffTxEvent (
         if (txVector.GetMode ().GetModulationClass () != WIFI_MOD_CLASS_HT && txVector.GetMode ().GetModulationClass () != WIFI_MOD_CLASS_VHT && txVector.GetMode ().GetModulationClass () != WIFI_MOD_CLASS_HE)
           {
             rate = txVector.GetMode ().GetDataRate (txVector.GetChannelWidth (), txVector.GetGuardInterval (), 1) * txVector.GetNss () / 500000;
-            header.SetRate (rate);
+            header.SetRate (static_cast<uint8_t>(rate));
           }
 
         uint16_t channelFlags = 0;
@@ -399,7 +399,7 @@ WifiPhyHelper::PcapSniffRxEvent (
         if (txVector.GetMode ().GetModulationClass () != WIFI_MOD_CLASS_HT && txVector.GetMode ().GetModulationClass () != WIFI_MOD_CLASS_VHT && txVector.GetMode ().GetModulationClass () != WIFI_MOD_CLASS_HE)
           {
             rate = txVector.GetMode ().GetDataRate (txVector.GetChannelWidth (), txVector.GetGuardInterval (), 1) * txVector.GetNss () / 500000;
-            header.SetRate (rate);
+            header.SetRate (static_cast<uint8_t>(rate));
           }
 
         uint16_t channelFlags = 0;