diff --git a/src/internet/helper/ipv6-address-helper.cc b/src/internet/helper/ipv6-address-helper.cc
index ace31bcc3..28db659fc 100644
--- a/src/internet/helper/ipv6-address-helper.cc
+++ b/src/internet/helper/ipv6-address-helper.cc
@@ -220,11 +220,7 @@ Ipv6InterfaceContainer
 Ipv6AddressHelper::Assign(const NetDeviceContainer& c)
 {
     NS_LOG_FUNCTION(this);
-    std::vector<bool> withConfiguration;
-    for (uint32_t i = 0; i < c.GetN(); ++i)
-    {
-        withConfiguration.push_back(true);
-    }
+    std::vector<bool> withConfiguration(c.GetN(), true);
     return Assign(c, withConfiguration);
 }
 
@@ -232,11 +228,7 @@ Ipv6InterfaceContainer
 Ipv6AddressHelper::Assign(const NetDeviceContainer& c, std::vector<bool> withConfiguration)
 {
     NS_LOG_FUNCTION(this);
-    std::vector<bool> onLink;
-    for (uint32_t i = 0; i < c.GetN(); ++i)
-    {
-        onLink.push_back(true);
-    }
+    std::vector<bool> onLink(c.GetN(), true);
     return Assign(c, withConfiguration, onLink);
 }
 
@@ -312,11 +304,7 @@ Ipv6InterfaceContainer
 Ipv6AddressHelper::AssignWithoutAddress(const NetDeviceContainer& c)
 {
     NS_LOG_FUNCTION(this);
-    std::vector<bool> withConfiguration;
-    for (uint32_t i = 0; i < c.GetN(); ++i)
-    {
-        withConfiguration.push_back(false);
-    }
+    std::vector<bool> withConfiguration(c.GetN(), false);
     return Assign(c, withConfiguration);
 }
 
@@ -324,13 +312,10 @@ Ipv6InterfaceContainer
 Ipv6AddressHelper::AssignWithoutOnLink(const NetDeviceContainer& c)
 {
     NS_LOG_FUNCTION(this);
-    std::vector<bool> withConfiguration;
-    std::vector<bool> onLink;
-    for (uint32_t i = 0; i < c.GetN(); ++i)
-    {
-        withConfiguration.push_back(true);
-        onLink.push_back(false);
-    }
+
+    std::vector<bool> withConfiguration(c.GetN(), true);
+    std::vector<bool> onLink(c.GetN(), false);
+
     return Assign(c, withConfiguration, onLink);
 }
 
diff --git a/src/lte/model/cqa-ff-mac-scheduler.cc b/src/lte/model/cqa-ff-mac-scheduler.cc
index 4707e5704..d15a254a4 100644
--- a/src/lte/model/cqa-ff-mac-scheduler.cc
+++ b/src/lte/model/cqa-ff-mac-scheduler.cc
@@ -1282,10 +1282,7 @@ CqaFfMacScheduler::DoSchedDlTriggerReq(
             std::vector<uint8_t> sbCqis;
             if (itCqi == m_a30CqiRxed.end())
             {
-                for (uint8_t k = 0; k < nLayer; k++)
-                {
-                    sbCqis.push_back(1); // start with lowest value
-                }
+                sbCqis = std::vector<uint8_t>(nLayer, 1); // start with lowest value
             }
             else
             {
diff --git a/src/lte/model/fdmt-ff-mac-scheduler.cc b/src/lte/model/fdmt-ff-mac-scheduler.cc
index 32bebcab0..65bed846c 100644
--- a/src/lte/model/fdmt-ff-mac-scheduler.cc
+++ b/src/lte/model/fdmt-ff-mac-scheduler.cc
@@ -917,10 +917,7 @@ FdMtFfMacScheduler::DoSchedDlTriggerReq(
                 std::vector<uint8_t> sbCqi;
                 if (itCqi == m_a30CqiRxed.end())
                 {
-                    for (uint8_t k = 0; k < nLayer; k++)
-                    {
-                        sbCqi.push_back(1); // start with lowest value
-                    }
+                    sbCqi = std::vector<uint8_t>(nLayer, 1); // start with lowest value
                 }
                 else
                 {
diff --git a/src/lte/model/fdtbfq-ff-mac-scheduler.cc b/src/lte/model/fdtbfq-ff-mac-scheduler.cc
index 96e94698c..d70b55815 100644
--- a/src/lte/model/fdtbfq-ff-mac-scheduler.cc
+++ b/src/lte/model/fdtbfq-ff-mac-scheduler.cc
@@ -1207,10 +1207,7 @@ FdTbfqFfMacScheduler::DoSchedDlTriggerReq(
                 std::vector<uint8_t> sbCqi;
                 if (itCqi == m_a30CqiRxed.end())
                 {
-                    for (uint8_t k = 0; k < nLayer; k++)
-                    {
-                        sbCqi.push_back(1); // start with lowest value
-                    }
+                    sbCqi = std::vector<uint8_t>(nLayer, 1); // start with lowest value
                 }
                 else
                 {
diff --git a/src/lte/model/pf-ff-mac-scheduler.cc b/src/lte/model/pf-ff-mac-scheduler.cc
index 3a0918c8a..80d5669dc 100644
--- a/src/lte/model/pf-ff-mac-scheduler.cc
+++ b/src/lte/model/pf-ff-mac-scheduler.cc
@@ -984,10 +984,7 @@ PfFfMacScheduler::DoSchedDlTriggerReq(
                 std::vector<uint8_t> sbCqi;
                 if (itCqi == m_a30CqiRxed.end())
                 {
-                    for (uint8_t k = 0; k < nLayer; k++)
-                    {
-                        sbCqi.push_back(1); // start with lowest value
-                    }
+                    sbCqi = std::vector<uint8_t>(nLayer, 1); // start with lowest value
                 }
                 else
                 {
diff --git a/src/lte/model/pss-ff-mac-scheduler.cc b/src/lte/model/pss-ff-mac-scheduler.cc
index 4884a52b1..3948ffecb 100644
--- a/src/lte/model/pss-ff-mac-scheduler.cc
+++ b/src/lte/model/pss-ff-mac-scheduler.cc
@@ -1150,10 +1150,7 @@ PssFfMacScheduler::DoSchedDlTriggerReq(
                         std::vector<uint8_t> sbCqis;
                         if (itCqi == m_a30CqiRxed.end())
                         {
-                            for (uint8_t k = 0; k < nLayer; k++)
-                            {
-                                sbCqis.push_back(1); // start with lowest value
-                            }
+                            sbCqis = std::vector<uint8_t>(nLayer, 1); // start with lowest value
                         }
                         else
                         {
@@ -1230,10 +1227,7 @@ PssFfMacScheduler::DoSchedDlTriggerReq(
                         std::vector<uint8_t> sbCqis;
                         if (itCqi == m_a30CqiRxed.end())
                         {
-                            for (uint8_t k = 0; k < nLayer; k++)
-                            {
-                                sbCqis.push_back(1); // start with lowest value
-                            }
+                            sbCqis = std::vector<uint8_t>(nLayer, 1); // start with lowest value
                         }
                         else
                         {
@@ -1336,10 +1330,7 @@ PssFfMacScheduler::DoSchedDlTriggerReq(
                         std::vector<uint8_t> sbCqis;
                         if (itCqi == m_a30CqiRxed.end())
                         {
-                            for (uint8_t k = 0; k < nLayer; k++)
-                            {
-                                sbCqis.push_back(1); // start with lowest value
-                            }
+                            sbCqis = std::vector<uint8_t>(nLayer, 1); // start with lowest value
                         }
                         else
                         {
diff --git a/src/lte/model/tta-ff-mac-scheduler.cc b/src/lte/model/tta-ff-mac-scheduler.cc
index 0b6b58d8e..0824005a4 100644
--- a/src/lte/model/tta-ff-mac-scheduler.cc
+++ b/src/lte/model/tta-ff-mac-scheduler.cc
@@ -921,10 +921,7 @@ TtaFfMacScheduler::DoSchedDlTriggerReq(
                 std::vector<uint8_t> sbCqi;
                 if (itSbCqi == m_a30CqiRxed.end())
                 {
-                    for (uint8_t k = 0; k < nLayer; k++)
-                    {
-                        sbCqi.push_back(1); // start with lowest value
-                    }
+                    sbCqi = std::vector<uint8_t>(nLayer, 1); // start with lowest value
                 }
                 else
                 {
diff --git a/src/spectrum/model/three-gpp-channel-model.cc b/src/spectrum/model/three-gpp-channel-model.cc
index 9c84934a5..32674dcc9 100644
--- a/src/spectrum/model/three-gpp-channel-model.cc
+++ b/src/spectrum/model/three-gpp-channel-model.cc
@@ -2197,12 +2197,11 @@ ThreeGppChannelModel::CalcAttenuationOfBlockage(
 {
     NS_LOG_FUNCTION(this);
 
-    DoubleVector powerAttenuation;
-    uint8_t clusterNum = clusterAOA.size();
-    for (uint8_t cInd = 0; cInd < clusterNum; cInd++)
-    {
-        powerAttenuation.push_back(0); // Initial power attenuation for all clusters to be 0 dB;
-    }
+    auto clusterNum = clusterAOA.size();
+
+    // Initial power attenuation for all clusters to be 0 dB
+    DoubleVector powerAttenuation(clusterNum, 0);
+
     // step a: the number of non-self blocking blockers is stored in m_numNonSelfBlocking.
 
     // step b:Generate the size and location of each blocker
diff --git a/src/wifi/model/rate-control/minstrel-ht-wifi-manager.cc b/src/wifi/model/rate-control/minstrel-ht-wifi-manager.cc
index d10142607..ec6ed6d98 100644
--- a/src/wifi/model/rate-control/minstrel-ht-wifi-manager.cc
+++ b/src/wifi/model/rate-control/minstrel-ht-wifi-manager.cc
@@ -2229,33 +2229,24 @@ MinstrelHtWifiManager::GetLowestIndex(MinstrelHtWifiRemoteStation* station, uint
 WifiModeList
 MinstrelHtWifiManager::GetHeDeviceMcsList() const
 {
-    WifiModeList heMcsList;
-    for (const auto& mode : GetPhy()->GetMcsList(WIFI_MOD_CLASS_HE))
-    {
-        heMcsList.push_back(mode);
-    }
+    const auto& mcsList = GetPhy()->GetMcsList(WIFI_MOD_CLASS_HE);
+    WifiModeList heMcsList(mcsList.begin(), mcsList.end());
     return heMcsList;
 }
 
 WifiModeList
 MinstrelHtWifiManager::GetVhtDeviceMcsList() const
 {
-    WifiModeList vhtMcsList;
-    for (const auto& mode : GetPhy()->GetMcsList(WIFI_MOD_CLASS_VHT))
-    {
-        vhtMcsList.push_back(mode);
-    }
+    const auto& mcsList = GetPhy()->GetMcsList(WIFI_MOD_CLASS_VHT);
+    WifiModeList vhtMcsList(mcsList.begin(), mcsList.end());
     return vhtMcsList;
 }
 
 WifiModeList
 MinstrelHtWifiManager::GetHtDeviceMcsList() const
 {
-    WifiModeList htMcsList;
-    for (const auto& mode : GetPhy()->GetMcsList(WIFI_MOD_CLASS_HT))
-    {
-        htMcsList.push_back(mode);
-    }
+    const auto& mcsList = GetPhy()->GetMcsList(WIFI_MOD_CLASS_HT);
+    WifiModeList htMcsList(mcsList.begin(), mcsList.end());
     return htMcsList;
 }
 
diff --git a/src/wifi/model/wifi-remote-station-manager.cc b/src/wifi/model/wifi-remote-station-manager.cc
index 554b6fe7b..7d15aface 100644
--- a/src/wifi/model/wifi-remote-station-manager.cc
+++ b/src/wifi/model/wifi-remote-station-manager.cc
@@ -390,11 +390,9 @@ WifiRemoteStationManager::AddAllSupportedMcs(Mac48Address address)
     NS_LOG_FUNCTION(this << address);
     NS_ASSERT(!address.IsGroup());
     auto state = LookupState(address);
-    state->m_operationalMcsSet.clear();
-    for (const auto& mcs : m_wifiPhy->GetMcsList())
-    {
-        state->m_operationalMcsSet.push_back(mcs);
-    }
+
+    const auto& mcsList = m_wifiPhy->GetMcsList();
+    state->m_operationalMcsSet = WifiModeList(mcsList.begin(), mcsList.end());
 }
 
 void