diff --git a/src/plugins/autotest/CMakeLists.txt b/src/plugins/autotest/CMakeLists.txt
index 619501af8ba..1ee331dc5f2 100644
--- a/src/plugins/autotest/CMakeLists.txt
+++ b/src/plugins/autotest/CMakeLists.txt
@@ -40,7 +40,7 @@ add_qtc_plugin(AutoTest
     gtest/gtesttreeitem.cpp gtest/gtesttreeitem.h
     gtest/gtestvisitors.cpp gtest/gtestvisitors.h
     iframeworksettings.h
-    itestframework.h
+    itestframework.cpp itestframework.h
     itestparser.cpp itestparser.h
     projectsettingswidget.cpp projectsettingswidget.h
     qtest/qttest_utils.cpp qtest/qttest_utils.h
diff --git a/src/plugins/autotest/autotest.pro b/src/plugins/autotest/autotest.pro
index 7082a385864..5d1db25e3ae 100644
--- a/src/plugins/autotest/autotest.pro
+++ b/src/plugins/autotest/autotest.pro
@@ -7,6 +7,7 @@ DEFINES += AUTOTEST_LIBRARY
 
 SOURCES += \
     autotestplugin.cpp \
+    itestframework.cpp \
     itestparser.cpp \
     projectsettingswidget.cpp \
     testcodeparser.cpp \
diff --git a/src/plugins/autotest/autotest.qbs b/src/plugins/autotest/autotest.qbs
index 5e7bee484b3..ea014bc06d9 100644
--- a/src/plugins/autotest/autotest.qbs
+++ b/src/plugins/autotest/autotest.qbs
@@ -76,6 +76,7 @@ QtcPlugin {
         "testprojectsettings.h",
         "itestparser.cpp",
         "itestparser.h",
+        "itestframework.cpp",
         "itestframework.h",
         "iframeworksettings.h",
         "testframeworkmanager.cpp",
diff --git a/src/plugins/autotest/itestframework.cpp b/src/plugins/autotest/itestframework.cpp
new file mode 100644
index 00000000000..b7a45a8ae19
--- /dev/null
+++ b/src/plugins/autotest/itestframework.cpp
@@ -0,0 +1,78 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#pragma once
+
+#include "itestframework.h"
+#include "itestparser.h"
+
+namespace Autotest {
+
+ITestFramework::ITestFramework(bool activeByDefault)
+    : m_active(activeByDefault)
+{}
+
+ITestFramework::~ITestFramework()
+{
+    delete m_testParser;
+}
+
+TestTreeItem *ITestFramework::rootNode()
+{
+    if (!m_rootNode)
+        m_rootNode = createRootNode();
+    // These are stored in the TestTreeModel and destroyed on shutdown there.
+    return m_rootNode;
+}
+
+ITestParser *ITestFramework::testParser()
+{
+    if (!m_testParser)
+        m_testParser = createTestParser();
+    return m_testParser;
+}
+
+Core::Id ITestFramework::settingsId() const
+{
+    return Core::Id(Constants::SETTINGSPAGE_PREFIX)
+            .withSuffix(QString("%1.%2").arg(priority()).arg(QLatin1String(name())));
+}
+
+Core::Id ITestFramework::id() const
+{
+    return Core::Id(Constants::FRAMEWORK_PREFIX).withSuffix(name());
+}
+
+void ITestFramework::resetRootNode()
+{
+    if (!m_rootNode)
+        return;
+    if (m_rootNode->model())
+        static_cast<TestTreeModel *>(m_rootNode->model())->takeItem(m_rootNode);
+    delete m_rootNode;
+    m_rootNode = nullptr;
+}
+
+} // namespace Autotest
diff --git a/src/plugins/autotest/itestframework.h b/src/plugins/autotest/itestframework.h
index 27efbaaa606..960b9d8ad56 100644
--- a/src/plugins/autotest/itestframework.h
+++ b/src/plugins/autotest/itestframework.h
@@ -35,34 +35,19 @@ class IFrameworkSettings;
 class ITestFramework
 {
 public:
-    explicit ITestFramework(bool activeByDefault) : m_active(activeByDefault) {}
-    virtual ~ITestFramework()
-    {
-        delete m_testParser;
-    }
+    explicit ITestFramework(bool activeByDefault);
+    virtual ~ITestFramework();
 
     virtual const char *name() const = 0;
     virtual unsigned priority() const = 0;          // should this be modifyable?
 
     virtual IFrameworkSettings *frameworkSettings() { return nullptr; }
 
-    TestTreeItem *rootNode()
-    {   if (!m_rootNode)
-            m_rootNode = createRootNode();
-        // These are stored in the TestTreeModel and destroyed on shutdown there.
-        return m_rootNode;
-    }
-
-    ITestParser *testParser()
-    {
-        if (!m_testParser)
-            m_testParser = createTestParser();
-        return m_testParser;
-    }
+    TestTreeItem *rootNode();
+    ITestParser *testParser();
 
     Core::Id settingsId() const;
-
-    Core::Id id() const { return Core::Id(Constants::FRAMEWORK_PREFIX).withSuffix(name()); }
+    Core::Id id() const;
 
     bool active() const { return m_active; }
     void setActive(bool active) { m_active = active; }
@@ -71,15 +56,7 @@ public:
     // framework specific tool tip to be displayed on the general settings page
     virtual QString groupingToolTip() const { return QString(); }
 
-    void resetRootNode()
-    {
-        if (!m_rootNode)
-            return;
-        if (m_rootNode->model())
-            static_cast<TestTreeModel *>(m_rootNode->model())->takeItem(m_rootNode);
-        delete m_rootNode;
-        m_rootNode = nullptr;
-    }
+    void resetRootNode();
 
 protected:
     virtual ITestParser *createTestParser() = 0;
diff --git a/src/plugins/autotest/testframeworkmanager.cpp b/src/plugins/autotest/testframeworkmanager.cpp
index 3e800619654..d7f1354f30c 100644
--- a/src/plugins/autotest/testframeworkmanager.cpp
+++ b/src/plugins/autotest/testframeworkmanager.cpp
@@ -91,10 +91,4 @@ void TestFrameworkManager::synchronizeSettings(QSettings *s)
     }
 }
 
-Id ITestFramework::settingsId() const
-{
-    return Core::Id(Constants::SETTINGSPAGE_PREFIX)
-            .withSuffix(QString("%1.%2").arg(priority()).arg(QLatin1String(name())));
-}
-
 } // namespace Autotest