diff --git a/src/plugins/qbsprojectmanager/defaultpropertyprovider.cpp b/src/plugins/qbsprojectmanager/defaultpropertyprovider.cpp
index a83e814a300..703f41305b5 100644
--- a/src/plugins/qbsprojectmanager/defaultpropertyprovider.cpp
+++ b/src/plugins/qbsprojectmanager/defaultpropertyprovider.cpp
@@ -24,7 +24,7 @@
 ****************************************************************************/
 
 #include "defaultpropertyprovider.h"
-#include "qbsconstants.h"
+#include "qbsprojectmanagerconstants.h"
 
 #include <coreplugin/messagemanager.h>
 #include <projectexplorer/abi.h>
diff --git a/src/plugins/qbsprojectmanager/qbsconstants.h b/src/plugins/qbsprojectmanager/qbsconstants.h
deleted file mode 100644
index 8ed4ace4a61..00000000000
--- a/src/plugins/qbsprojectmanager/qbsconstants.h
+++ /dev/null
@@ -1,54 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 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
-
-namespace QbsProjectManager {
-namespace Constants {
-
-// Toolchain related settings:
-const char QBS_TARGETOS[] = "qbs.targetOS";
-const char QBS_SYSROOT[] = "qbs.sysroot";
-const char QBS_ARCHITECTURE[] = "qbs.architecture";
-const char QBS_TOOLCHAIN[] = "qbs.toolchain";
-const char CPP_TOOLCHAINPATH[] = "cpp.toolchainInstallPath";
-const char CPP_TOOLCHAINPREFIX[] = "cpp.toolchainPrefix";
-const char CPP_COMPILERNAME[] = "cpp.compilerName";
-const char CPP_CXXCOMPILERNAME[] = "cpp.cxxCompilerName";
-const char CPP_PLATFORMCOMMONCOMPILERFLAGS[] = "cpp.platformCommonCompilerFlags";
-const char CPP_PLATFORMLINKERFLAGS[] = "cpp.platformLinkerFlags";
-const char CPP_PLATFORMPATH[] = "cpp.platformPath";
-const char CPP_XCODESDKNAME[] = "cpp.xcodeSdkName";
-const char CPP_XCODESDKVERSION[] = "cpp.xcodeSdkVersion";
-
-// Settings page
-const char QBS_SETTINGS_CATEGORY[]  = "YM.qbs";
-const char QBS_SETTINGS_TR_CATEGORY[] = QT_TRANSLATE_NOOP("QbsProjectManager", "Qbs");
-const char QBS_SETTINGS_CATEGORY_ICON[]  = ":/projectexplorer/images/build.png";
-
-const char QBS_PROPERTIES_KEY_FOR_KITS[] = "QbsProjectManager.qbs-properties";
-
-} // namespace Constants
-} // namespace QbsProjectManager
diff --git a/src/plugins/qbsprojectmanager/qbsinfopage.cpp b/src/plugins/qbsprojectmanager/qbsinfopage.cpp
index af65f9e5be6..794d984a613 100644
--- a/src/plugins/qbsprojectmanager/qbsinfopage.cpp
+++ b/src/plugins/qbsprojectmanager/qbsinfopage.cpp
@@ -26,7 +26,7 @@
 #include "qbsinfopage.h"
 #include "ui_qbsinfowidget.h"
 
-#include "qbsconstants.h"
+#include "qbsprojectmanagerconstants.h"
 
 #include <qbs.h>
 
diff --git a/src/plugins/qbsprojectmanager/qbsprofilessettingspage.cpp b/src/plugins/qbsprojectmanager/qbsprofilessettingspage.cpp
index e576f52778f..112572b73e1 100644
--- a/src/plugins/qbsprojectmanager/qbsprofilessettingspage.cpp
+++ b/src/plugins/qbsprojectmanager/qbsprofilessettingspage.cpp
@@ -27,8 +27,8 @@
 #include "ui_qbsprofilessettingswidget.h"
 
 #include "customqbspropertiesdialog.h"
-#include "qbsconstants.h"
 #include "qbsprojectmanager.h"
+#include "qbsprojectmanagerconstants.h"
 #include "qbsprojectmanagersettings.h"
 
 #include <coreplugin/icore.h>
diff --git a/src/plugins/qbsprojectmanager/qbsprojectmanager.pro b/src/plugins/qbsprojectmanager/qbsprojectmanager.pro
index cd2e5d16d83..94afeae5a76 100644
--- a/src/plugins/qbsprojectmanager/qbsprojectmanager.pro
+++ b/src/plugins/qbsprojectmanager/qbsprojectmanager.pro
@@ -41,8 +41,7 @@ HEADERS = \
     qbsprojectmanagerplugin.h \
     qbsprojectmanagersettings.h \
     qbsprojectparser.h \
-    qbsrunconfiguration.h \
-    qbsconstants.h
+    qbsrunconfiguration.h
 
 SOURCES = \
     customqbspropertiesdialog.cpp \
diff --git a/src/plugins/qbsprojectmanager/qbsprojectmanager.qbs b/src/plugins/qbsprojectmanager/qbsprojectmanager.qbs
index 7b0434920e2..98ce172aa13 100644
--- a/src/plugins/qbsprojectmanager/qbsprojectmanager.qbs
+++ b/src/plugins/qbsprojectmanager/qbsprojectmanager.qbs
@@ -75,7 +75,6 @@ QtcPlugin {
         "qbscleanstep.cpp",
         "qbscleanstep.h",
         "qbscleanstepconfigwidget.ui",
-        "qbsconstants.h",
         "qbsdeployconfigurationfactory.cpp",
         "qbsdeployconfigurationfactory.h",
         "qbsinfopage.cpp",
diff --git a/src/plugins/qbsprojectmanager/qbsprojectmanagerconstants.h b/src/plugins/qbsprojectmanager/qbsprojectmanagerconstants.h
index 05667062f53..36fd3cfb28e 100644
--- a/src/plugins/qbsprojectmanager/qbsprojectmanagerconstants.h
+++ b/src/plugins/qbsprojectmanager/qbsprojectmanagerconstants.h
@@ -65,6 +65,28 @@ const char QBS_FORCE_PROBES_KEY[] = "qbspm.forceProbes";
 static const char QBS_GROUP_ICON[] = ":/qbsprojectmanager/images/groups.png";
 static const char QBS_PRODUCT_OVERLAY_ICON[] = ":/qbsprojectmanager/images/productgear.png";
 
+// Toolchain related settings:
+const char QBS_TARGETOS[] = "qbs.targetOS";
+const char QBS_SYSROOT[] = "qbs.sysroot";
+const char QBS_ARCHITECTURE[] = "qbs.architecture";
+const char QBS_TOOLCHAIN[] = "qbs.toolchain";
+const char CPP_TOOLCHAINPATH[] = "cpp.toolchainInstallPath";
+const char CPP_TOOLCHAINPREFIX[] = "cpp.toolchainPrefix";
+const char CPP_COMPILERNAME[] = "cpp.compilerName";
+const char CPP_CXXCOMPILERNAME[] = "cpp.cxxCompilerName";
+const char CPP_PLATFORMCOMMONCOMPILERFLAGS[] = "cpp.platformCommonCompilerFlags";
+const char CPP_PLATFORMLINKERFLAGS[] = "cpp.platformLinkerFlags";
+const char CPP_PLATFORMPATH[] = "cpp.platformPath";
+const char CPP_XCODESDKNAME[] = "cpp.xcodeSdkName";
+const char CPP_XCODESDKVERSION[] = "cpp.xcodeSdkVersion";
+
+// Settings page
+const char QBS_SETTINGS_CATEGORY[]  = "YM.qbs";
+const char QBS_SETTINGS_TR_CATEGORY[] = QT_TRANSLATE_NOOP("QbsProjectManager", "Qbs");
+const char QBS_SETTINGS_CATEGORY_ICON[]  = ":/projectexplorer/images/build.png";
+
+const char QBS_PROPERTIES_KEY_FOR_KITS[] = "QbsProjectManager.qbs-properties";
+
 const char QBS_PROFILING_ENV[] = "QTC_QBS_PROFILING";
 
 } // namespace Constants