diff --git a/src/core/ksslcertificatemanager.cpp b/src/core/ksslcertificatemanager.cpp
--- a/src/core/ksslcertificatemanager.cpp
+++ b/src/core/ksslcertificatemanager.cpp
@@ -328,8 +328,8 @@
     Q_ASSERT(knownCerts.isEmpty());
     QList<KSslCaCertificate> in = certsIn;
     QList<KSslCaCertificate> old = allCertificates();
-    qSort(in.begin(), in.end(), certLessThan);
-    qSort(old.begin(), old.end(), certLessThan);
+    std::sort(in.begin(), in.end(), certLessThan);
+    std::sort(old.begin(), old.end(), certLessThan);
 
     for (int ii = 0, oi = 0; ii < in.size() || oi < old.size(); ++ii, ++oi) {
         // look at all elements in both lists, even if we reach the end of one early.
diff --git a/src/filewidgets/kurlnavigatorbutton.cpp b/src/filewidgets/kurlnavigatorbutton.cpp
--- a/src/filewidgets/kurlnavigatorbutton.cpp
+++ b/src/filewidgets/kurlnavigatorbutton.cpp
@@ -499,7 +499,7 @@
     }
 
     NaturalLessThan nlt;
-    qSort(m_subDirs.begin(), m_subDirs.end(), nlt);
+    std::sort(m_subDirs.begin(), m_subDirs.end(), nlt);
     setDisplayHintEnabled(PopupActiveHint, true);
     update(); // ensure the button is drawn highlighted
 
@@ -544,7 +544,7 @@
     }
 
     NaturalLessThan nlt;
-    qSort(m_subDirs.begin(), m_subDirs.end(), nlt);
+    std::sort(m_subDirs.begin(), m_subDirs.end(), nlt);
 
     // Get index of the directory that is shown currently in the button
     const QString currentDir = m_url.fileName();
diff --git a/src/ioslaves/http/http_cache_cleaner.cpp b/src/ioslaves/http/http_cache_cleaner.cpp
--- a/src/ioslaves/http/http_cache_cleaner.cpp
+++ b/src/ioslaves/http/http_cache_cleaner.cpp
@@ -670,7 +670,7 @@
 
             if (m_fileNameList.isEmpty()) {
                 // final step of phase one
-                qSort(m_fiList.begin(), m_fiList.end(), CacheFileInfoPtrLessThan);
+                std::sort(m_fiList.begin(), m_fiList.end(), CacheFileInfoPtrLessThan);
             }
             return false;
         }
diff --git a/src/kpac/script.cpp b/src/kpac/script.cpp
--- a/src/kpac/script.cpp
+++ b/src/kpac/script.cpp
@@ -668,12 +668,12 @@
     QString sortedAddress(QLatin1String(""));
 
     if (!ipV6List.isEmpty()) {
-        qSort(ipV6List.begin(), ipV6List.end(), addressLessThanComparison);
+        std::sort(ipV6List.begin(), ipV6List.end(), addressLessThanComparison);
         sortedAddress += addressListToString(ipV6List, actualEntryMap);
     }
 
     if (!ipV4List.isEmpty()) {
-        qSort(ipV4List.begin(), ipV4List.end(), addressLessThanComparison);
+        std::sort(ipV4List.begin(), ipV4List.end(), addressLessThanComparison);
         if (!sortedAddress.isEmpty()) {
             sortedAddress += QLatin1Char(';');
         }
diff --git a/src/kpasswdserver/kpasswdserver.cpp b/src/kpasswdserver/kpasswdserver.cpp
--- a/src/kpasswdserver/kpasswdserver.cpp
+++ b/src/kpasswdserver/kpasswdserver.cpp
@@ -745,7 +745,7 @@
 
    // Insert into list, keep the list sorted "longest path" first.
    authList->append(authItem);
-   qSort(authList->begin(), authList->end(), AuthInfoContainer::Sorter());
+   std::sort(authList->begin(), authList->end(), AuthInfoContainer::Sorter());
 }
 
 void
diff --git a/src/widgets/kdirmodel.cpp b/src/widgets/kdirmodel.cpp
--- a/src/widgets/kdirmodel.cpp
+++ b/src/widgets/kdirmodel.cpp
@@ -1009,7 +1009,7 @@
     }
 
     QList<QUrl> ret(urls);
-    qSort(ret.begin(), ret.end(), lessThan);
+    std::sort(ret.begin(), ret.end(), lessThan);
 
     QList<QUrl>::iterator it = ret.begin();
     QUrl url = *it;
diff --git a/src/widgets/kfileitemactions.cpp b/src/widgets/kfileitemactions.cpp
--- a/src/widgets/kfileitemactions.cpp
+++ b/src/widgets/kfileitemactions.cpp
@@ -573,7 +573,7 @@
         }
     }
 
-    qSort(rankings.begin(), rankings.end(), KFileItemActionsPrivate::lessRank);
+    std::sort(rankings.begin(), rankings.end(), KFileItemActionsPrivate::lessRank);
 
     KService::List result;
     Q_FOREACH (const KFileItemActionsPrivate::ServiceRank &tempRank, rankings) {