diff --git a/src/libs/cplusplus/CppDocument.cpp b/src/libs/cplusplus/CppDocument.cpp
index 42616498977..d28fdd50baa 100644
--- a/src/libs/cplusplus/CppDocument.cpp
+++ b/src/libs/cplusplus/CppDocument.cpp
@@ -26,7 +26,6 @@
 
 #include <QByteArray>
 #include <QDebug>
-#include <QFutureInterface>
 #include <QStack>
 
 /*!
diff --git a/src/plugins/autotest/testrunner.cpp b/src/plugins/autotest/testrunner.cpp
index 2d9be97b439..7f54d41ba8f 100644
--- a/src/plugins/autotest/testrunner.cpp
+++ b/src/plugins/autotest/testrunner.cpp
@@ -39,8 +39,6 @@
 #include <QComboBox>
 #include <QDialogButtonBox>
 #include <QFormLayout>
-#include <QFuture>
-#include <QFutureInterface>
 #include <QLabel>
 #include <QLoggingCategory>
 #include <QPointer>
diff --git a/src/plugins/clearcase/clearcaseplugin.cpp b/src/plugins/clearcase/clearcaseplugin.cpp
index 1b3b4d2ae90..aa5c598c84c 100644
--- a/src/plugins/clearcase/clearcaseplugin.cpp
+++ b/src/plugins/clearcase/clearcaseplugin.cpp
@@ -57,7 +57,6 @@
 #include <QDir>
 #include <QFileInfo>
 #include <QFuture>
-#include <QFutureInterface>
 #include <QInputDialog>
 #include <QLabel>
 #include <QList>
diff --git a/src/plugins/clearcase/clearcasesync.cpp b/src/plugins/clearcase/clearcasesync.cpp
index 053c387ee92..8476d1f04ac 100644
--- a/src/plugins/clearcase/clearcasesync.cpp
+++ b/src/plugins/clearcase/clearcasesync.cpp
@@ -6,7 +6,6 @@
 #include "clearcasesettings.h"
 
 #include <QDir>
-#include <QFutureInterface>
 #include <QRegularExpression>
 #include <QStringList>
 
diff --git a/src/plugins/clearcase/clearcasesync.h b/src/plugins/clearcase/clearcasesync.h
index c2862d9d404..4b69985b0c7 100644
--- a/src/plugins/clearcase/clearcasesync.h
+++ b/src/plugins/clearcase/clearcasesync.h
@@ -8,8 +8,6 @@
 QT_BEGIN_NAMESPACE
 class QDir;
 template <typename T>
-class QFutureInterface;
-template <typename T>
 class QPromise;
 QT_END_NAMESPACE
 
diff --git a/src/plugins/cppeditor/cppprojectupdater.cpp b/src/plugins/cppeditor/cppprojectupdater.cpp
index 3f0c24bc288..e848c6eba5a 100644
--- a/src/plugins/cppeditor/cppprojectupdater.cpp
+++ b/src/plugins/cppeditor/cppprojectupdater.cpp
@@ -16,8 +16,6 @@
 #include <utils/async.h>
 #include <utils/qtcassert.h>
 
-#include <QFutureInterface>
-
 using namespace ProjectExplorer;
 using namespace Utils;
 
diff --git a/src/plugins/diffeditor/sidebysidediffeditorwidget.h b/src/plugins/diffeditor/sidebysidediffeditorwidget.h
index f164d865798..b56fea7da02 100644
--- a/src/plugins/diffeditor/sidebysidediffeditorwidget.h
+++ b/src/plugins/diffeditor/sidebysidediffeditorwidget.h
@@ -22,7 +22,6 @@ class Async;
 }
 
 QT_BEGIN_NAMESPACE
-class QFutureInterfaceBase;
 class QMenu;
 class QSplitter;
 QT_END_NAMESPACE
diff --git a/src/plugins/diffeditor/unifieddiffeditorwidget.h b/src/plugins/diffeditor/unifieddiffeditorwidget.h
index ae7060b1446..e303a757172 100644
--- a/src/plugins/diffeditor/unifieddiffeditorwidget.h
+++ b/src/plugins/diffeditor/unifieddiffeditorwidget.h
@@ -15,10 +15,6 @@ template <typename R>
 class Async;
 }
 
-QT_BEGIN_NAMESPACE
-class QFutureInterfaceBase;
-QT_END_NAMESPACE
-
 namespace DiffEditor {
 
 class ChunkData;
diff --git a/src/plugins/help/helpmanager.h b/src/plugins/help/helpmanager.h
index 6ab3e72cd97..739d5a68767 100644
--- a/src/plugins/help/helpmanager.h
+++ b/src/plugins/help/helpmanager.h
@@ -5,7 +5,6 @@
 
 #include <coreplugin/helpmanager_implementation.h>
 
-#include <QFutureInterface>
 #include <QHelpEngineCore>
 #include <QVariant>
 
diff --git a/src/plugins/projectexplorer/selectablefilesmodel.h b/src/plugins/projectexplorer/selectablefilesmodel.h
index 6f9d7b67bed..8c47fbd990b 100644
--- a/src/plugins/projectexplorer/selectablefilesmodel.h
+++ b/src/plugins/projectexplorer/selectablefilesmodel.h
@@ -9,7 +9,6 @@
 
 #include <QAbstractItemModel>
 #include <QDialog>
-#include <QFutureInterface>
 #include <QFutureWatcher>
 #include <QLabel>
 #include <QRegularExpression>
diff --git a/tests/auto/qml/codemodel/dependencies/tst_dependencies.cpp b/tests/auto/qml/codemodel/dependencies/tst_dependencies.cpp
index 48f8d7ce6cf..e550383724f 100644
--- a/tests/auto/qml/codemodel/dependencies/tst_dependencies.cpp
+++ b/tests/auto/qml/codemodel/dependencies/tst_dependencies.cpp
@@ -3,7 +3,6 @@
 
 #include <QString>
 #include <QStringList>
-#include <QFutureInterface>
 #include <QFile>
 #include <QTextStream>
 #include <QDateTime>
diff --git a/tests/auto/qml/codemodel/ecmascript7/tst_ecmascript7.cpp b/tests/auto/qml/codemodel/ecmascript7/tst_ecmascript7.cpp
index 4f86e3ba988..003630ab0bf 100644
--- a/tests/auto/qml/codemodel/ecmascript7/tst_ecmascript7.cpp
+++ b/tests/auto/qml/codemodel/ecmascript7/tst_ecmascript7.cpp
@@ -3,7 +3,6 @@
 
 #include <QString>
 #include <QStringList>
-#include <QFutureInterface>
 #include <QFile>
 #include <QTextStream>
 #include <QDateTime>