diff --git a/kdevplatform/shell/runtimecontroller.cpp b/kdevplatform/shell/runtimecontroller.cpp
--- a/kdevplatform/shell/runtimecontroller.cpp
+++ b/kdevplatform/shell/runtimecontroller.cpp
@@ -61,7 +61,7 @@
     }
 
     addRuntimes(new IdentityRuntime);
-    setCurrentRuntime(m_runtimes.constFirst());
+    setCurrentRuntime(m_runtimes.first());
 
     if (haveUI) {
         setupActions();
diff --git a/plugins/android/androidruntime.cpp b/plugins/android/androidruntime.cpp
--- a/plugins/android/androidruntime.cpp
+++ b/plugins/android/androidruntime.cpp
@@ -76,7 +76,7 @@
 
 void AndroidRuntime::startProcess(KProcess* process) const
 {
-    if (process->program().constFirst().endsWith(QLatin1String("cmake"))) {
+    if (process->program().first().endsWith(QLatin1String("cmake"))) {
         process->setProgram(process->program() << args());
         setEnvironmentVariables(process);
     }
diff --git a/plugins/cmake/cmakeutils.cpp b/plugins/cmake/cmakeutils.cpp
--- a/plugins/cmake/cmakeutils.cpp
+++ b/plugins/cmake/cmakeutils.cpp
@@ -698,20 +698,20 @@
             test.arguments = kTransform<QStringList>(args, [](const CMakeFunctionArgument& arg) { return arg.value; });
             tests += test;
         } else if (entry.name == QLatin1String("subdirs")) {
-            tests += importTestSuites(Path(buildDir, entry.arguments.constFirst().value));
+            tests += importTestSuites(Path(buildDir, entry.arguments.first().value));
         } else if (entry.name == QLatin1String("set_tests_properties")) {
             if(entry.arguments.count() < 4 || entry.arguments.count() % 2) {
                 qCWarning(CMAKE) << "found set_tests_properties() with unexpected number of arguments:"
                                  << entry.arguments.count();
                 continue;
             }
-            if (tests.isEmpty() || entry.arguments.constFirst().value != tests.constLast().name) {
-                qCWarning(CMAKE) << "found set_tests_properties(" << entry.arguments.constFirst().value
-                                 << " ...), but expected test " << tests.constLast().name;
+            if (tests.isEmpty() || entry.arguments.first().value != tests.last().name) {
+                qCWarning(CMAKE) << "found set_tests_properties(" << entry.arguments.first().value
+                                 << " ...), but expected test " << tests.last().name;
                 continue;
             }
             if (entry.arguments[1].value != QLatin1String("PROPERTIES")) {
-                qCWarning(CMAKE) << "found set_tests_properties(" << entry.arguments.constFirst().value
+                qCWarning(CMAKE) << "found set_tests_properties(" << entry.arguments.first().value
                                  << entry.arguments.at(1).value << "...), but expected PROPERTIES as second argument";
                 continue;
             }
diff --git a/plugins/cmake/testing/ctestutils.cpp b/plugins/cmake/testing/ctestutils.cpp
--- a/plugins/cmake/testing/ctestutils.cpp
+++ b/plugins/cmake/testing/ctestutils.cpp
@@ -59,7 +59,7 @@
             if (target.artifacts.isEmpty()) {
                 continue;
             }
-            executablePath = target.artifacts.constFirst();
+            executablePath = target.artifacts.first();
         }
 
         CTestSuite* suite = new CTestSuite(test.name, executablePath, {}, project, test.arguments, test.properties);
diff --git a/plugins/cmake/tests/test_cmakemanager.cpp b/plugins/cmake/tests/test_cmakemanager.cpp
--- a/plugins/cmake/tests/test_cmakemanager.cpp
+++ b/plugins/cmake/tests/test_cmakemanager.cpp
@@ -379,7 +379,7 @@
     const auto targets = project->projectItem()->targetList();
     QCOMPARE(targets.count(), 1);
 
-    const auto target = targets.constFirst()->executable();
+    const auto target = targets.first()->executable();
     QVERIFY(target);
     const KDevelop::Path exePath(target->executable()->builtUrl());
     QCOMPARE(exePath, KDevelop::Path(project->buildSystemManager()->buildDirectory(project->projectItem()), QLatin1String("randomplace/mytest")));