diff --git a/src/plugins/clangcodemodel/clangutils.cpp b/src/plugins/clangcodemodel/clangutils.cpp
index 2ba1f44c2a1..2150521e864 100644
--- a/src/plugins/clangcodemodel/clangutils.cpp
+++ b/src/plugins/clangcodemodel/clangutils.cpp
@@ -347,7 +347,8 @@ void generateCompilationDB(::Utils::FileName projectDir, CppTools::ProjectInfo p
 {
     QFile compileCommandsFile(projectDir.toString() + "/compile_commands.json");
 
-    QJsonArray array;
+    compileCommandsFile.open(QIODevice::WriteOnly | QIODevice::Truncate);
+    compileCommandsFile.write("[");
     for (ProjectPart::Ptr projectPart : projectInfo.projectParts()) {
         const ::Utils::FileName buildDir = buildDirectory(*projectPart);
 
@@ -357,12 +358,15 @@ void generateCompilationDB(::Utils::FileName projectDir, CppTools::ProjectInfo p
         optionsBuilder.build(CppTools::ProjectFile::Unclassified,
                              CppTools::CompilerOptionsBuilder::PchUsage::None);
 
-        for (const ProjectFile &projFile : projectPart->files)
-            array.push_back(createFileObject(optionsBuilder, projFile, buildDir));
+        for (const ProjectFile &projFile : projectPart->files) {
+            const QJsonObject json = createFileObject(optionsBuilder, projFile, buildDir);
+            if (compileCommandsFile.size() > 1)
+                compileCommandsFile.write(",");
+            compileCommandsFile.write('\n' + QJsonDocument(json).toJson().trimmed());
+        }
     }
 
-    compileCommandsFile.open(QIODevice::WriteOnly | QIODevice::Truncate);
-    compileCommandsFile.write(QJsonDocument(array).toJson());
+    compileCommandsFile.write("\n]");
     compileCommandsFile.close();
 }
 
diff --git a/src/plugins/texteditor/texteditoroverlay.cpp b/src/plugins/texteditor/texteditoroverlay.cpp
index c6e1489d368..60fe5cc99e9 100644
--- a/src/plugins/texteditor/texteditoroverlay.cpp
+++ b/src/plugins/texteditor/texteditoroverlay.cpp
@@ -32,6 +32,8 @@
 #include <QPainter>
 #include <QTextBlock>
 
+#include <algorithm>
+
 using namespace TextEditor;
 using namespace TextEditor::Internal;
 
@@ -250,10 +252,10 @@ QPainterPath TextEditorOverlay::createSelectionPath(const QTextCursor &begin, co
 
     const int count = selection.count();
     for (int i = 1; i < count-1; ++i) {
-#define MAX3(a,b,c) qMax(a, qMax(b,c))
-        qreal x = MAX3(selection.at(i-1).right(),
-                       selection.at(i).right(),
-                       selection.at(i+1).right()) + margin;
+        qreal x = std::max({selection.at(i - 1).right(),
+                            selection.at(i).right(),
+                            selection.at(i + 1).right()})
+                  + margin;
 
         points += QPointF(x+1, selection.at(i).top());
         points += QPointF(x+1, selection.at(i).bottom());
@@ -266,10 +268,10 @@ QPainterPath TextEditorOverlay::createSelectionPath(const QTextCursor &begin, co
     points += lastSelection.topLeft() + QPointF(-margin, 0);
 
     for (int i = count-2; i > 0; --i) {
-#define MIN3(a,b,c) qMin(a, qMin(b,c))
-        qreal x = MIN3(selection.at(i-1).left(),
-                       selection.at(i).left(),
-                       selection.at(i+1).left()) - margin;
+        qreal x = std::min({selection.at(i - 1).left(),
+                            selection.at(i).left(),
+                            selection.at(i + 1).left()})
+                  - margin;
 
         points += QPointF(x, selection.at(i).bottom()+extra);
         points += QPointF(x, selection.at(i).top());