9 files changed, 9 insertions, 36 deletions
diff --git a/src/plugins/debugger/outputcollector.h b/src/plugins/debugger/outputcollector.h
index d6d44367a0..fbdb9f9ea1 100644
--- a/src/plugins/debugger/outputcollector.h
+++ b/src/plugins/debugger/outputcollector.h
@@ -23,8 +23,7 @@
 **
 ****************************************************************************/
 
-#ifndef OUTPUT_COLLECTOR_H
-#define OUTPUT_COLLECTOR_H
+#pragma once
 
 #include <QObject>
 
@@ -74,5 +73,3 @@ private:
 
 } // namespace Internal
 } // namespace Debugger
-
-#endif // OUTPUT_COLLECTOR_H
diff --git a/src/plugins/git/gerrit/authenticationdialog.h b/src/plugins/git/gerrit/authenticationdialog.h
index 9b5c8324cb..055c553b48 100644
--- a/src/plugins/git/gerrit/authenticationdialog.h
+++ b/src/plugins/git/gerrit/authenticationdialog.h
@@ -23,8 +23,7 @@
 **
 ****************************************************************************/
 
-#ifndef AUTHENTICATIONDIALOG_H
-#define AUTHENTICATIONDIALOG_H
+#pragma once
 
 #include <QCoreApplication>
 #include <QDialog>
@@ -63,5 +62,3 @@ private:
 
 } // Internal
 } // Gerrit
-
-#endif // AUTHENTICATIONDIALOG_H
diff --git a/src/plugins/imageviewer/exportdialog.h b/src/plugins/imageviewer/exportdialog.h
index 246ad211ab..76296e8ba4 100644
--- a/src/plugins/imageviewer/exportdialog.h
+++ b/src/plugins/imageviewer/exportdialog.h
@@ -23,8 +23,7 @@
 **
 ****************************************************************************/
 
-#ifndef EXPORTDIALOG_H
-#define EXPORTDIALOG_H
+#pragma once
 
 #include <QDialog>
 
@@ -66,5 +65,3 @@ private:
 
 } // namespace Internal
 } // namespace ImageViewer
-
-#endif // EXPORTDIALOG_H
diff --git a/src/plugins/qbsprojectmanager/qbsbuildinfo.h b/src/plugins/qbsprojectmanager/qbsbuildinfo.h
index ea92b65055..05dfd18250 100644
--- a/src/plugins/qbsprojectmanager/qbsbuildinfo.h
+++ b/src/plugins/qbsprojectmanager/qbsbuildinfo.h
@@ -23,8 +23,7 @@
 **
 ****************************************************************************/
 
-#ifndef QBSBUILDINFO_H
-#define QBSBUILDINFO_H
+#pragma once
 
 #include <projectexplorer/buildinfo.h>
 
@@ -47,5 +46,3 @@ private:
 
 } // namespace Internal
 } // namespace QbsProjectManager
-
-#endif // QBSBUILDINFO_H
diff --git a/src/plugins/qbsprojectmanager/qbspmlogging.h b/src/plugins/qbsprojectmanager/qbspmlogging.h
index 471fa86cf3..34328fa57a 100644
--- a/src/plugins/qbsprojectmanager/qbspmlogging.h
+++ b/src/plugins/qbsprojectmanager/qbspmlogging.h
@@ -23,8 +23,7 @@
 **
 ****************************************************************************/
 
-#ifndef QBSPMLOGGING_P_H
-#define QBSPMLOGGING_P_H
+#pragma once
 
 #include <QLoggingCategory>
 
@@ -33,5 +32,3 @@ namespace Internal {
 Q_DECLARE_LOGGING_CATEGORY(qbsPmLog)
 }
 }
-
-#endif // Include guard
diff --git a/src/shared/json/json.h b/src/shared/json/json.h
index 3b8477f25e..69d52e0430 100644
--- a/src/shared/json/json.h
+++ b/src/shared/json/json.h
@@ -37,8 +37,7 @@
 **
 ****************************************************************************/
 
-#ifndef JSONVALUE_H
-#define JSONVALUE_H
+#pragma once
 
 #include <cstdint>
 #include <initializer_list>
@@ -585,5 +584,3 @@ private:
 };
 
 } // namespace Json
-
-#endif // JSONVALUE_H
diff --git a/tests/auto/qml/qmldesigner/coretests/tst_testcore.h b/tests/auto/qml/qmldesigner/coretests/tst_testcore.h
index b3d47fbb72..a3ce437947 100644
--- a/tests/auto/qml/qmldesigner/coretests/tst_testcore.h
+++ b/tests/auto/qml/qmldesigner/coretests/tst_testcore.h
@@ -23,8 +23,7 @@
 **
 ****************************************************************************/
 
-#ifndef TESTCORE_H
-#define TESTCORE_H
+#pragma once
 
 #include <QObject>
 
@@ -231,5 +230,3 @@ private slots:
     void loadGradient();
     void changeGradientId();
 };
-
-#endif // TESTCORE_H
diff --git a/tests/manual/debugger/simple/deep/deep/simple_test_app.h b/tests/manual/debugger/simple/deep/deep/simple_test_app.h
index 820d39b4c8..1f8e47d5ba 100644
--- a/tests/manual/debugger/simple/deep/deep/simple_test_app.h
+++ b/tests/manual/debugger/simple/deep/deep/simple_test_app.h
@@ -23,8 +23,7 @@
 **
 ****************************************************************************/
 
-#ifndef SIMPLE_DEBUGGER_TEST_H
-#define SIMPLE_DEBUGGER_TEST_H
+#pragma once
 
 namespace breakpoints {
 
@@ -149,5 +148,3 @@ namespace breakpoints {
     }
 
 } // namespace breakpoints
-
-#endif // SIMPLE_DEBUGGER_TEST_H
diff --git a/tests/manual/qml/testprojects/cppmockup/mybackendobject.h b/tests/manual/qml/testprojects/cppmockup/mybackendobject.h
index e637ac12a6..f6e5368caa 100644
--- a/tests/manual/qml/testprojects/cppmockup/mybackendobject.h
+++ b/tests/manual/qml/testprojects/cppmockup/mybackendobject.h
@@ -24,8 +24,7 @@
 **
 ****************************************************************************/
 
-#ifndef MYBACKENDOBJECT_H
-#define MYBACKENDOBJECT_H
+#pragma once
 
 #include <QObject>
 
@@ -43,5 +42,3 @@ public:
 
 public slots:
 };
-
-#endif // MYBACKENDOBJECT_H