diff --git a/src/libs/utils/CMakeLists.txt b/src/libs/utils/CMakeLists.txt
index 37579263d0a..ae1c91364a8 100644
--- a/src/libs/utils/CMakeLists.txt
+++ b/src/libs/utils/CMakeLists.txt
@@ -27,7 +27,6 @@ add_qtc_library(Utils
     completingtextedit.cpp completingtextedit.h
     cpplanguage_details.h
     crumblepath.cpp crumblepath.h
-    declarationmacros.h
     delegates.cpp delegates.h
     detailsbutton.cpp detailsbutton.h
     detailswidget.cpp detailswidget.h
diff --git a/src/libs/utils/declarationmacros.h b/src/libs/utils/declarationmacros.h
deleted file mode 100644
index 4b7b8945443..00000000000
--- a/src/libs/utils/declarationmacros.h
+++ /dev/null
@@ -1,32 +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
-
-#define UTILS_DELETE_MOVE_AND_COPY(Class) \
-    Class(const Class&) = delete; \
-    Class &operator=(const Class&) = delete; \
-    Class(Class&&) = delete; \
-    Class &operator=(Class&&) = delete;
diff --git a/src/libs/utils/utils.qbs b/src/libs/utils/utils.qbs
index d23fdc91289..b3e5adcf013 100644
--- a/src/libs/utils/utils.qbs
+++ b/src/libs/utils/utils.qbs
@@ -75,7 +75,6 @@ Project {
             "cpplanguage_details.h",
             "crumblepath.cpp",
             "crumblepath.h",
-            "declarationmacros.h",
             "delegates.cpp",
             "delegates.h",
             "detailsbutton.cpp",
diff --git a/src/plugins/texteditor/codeassist/assistproposaliteminterface.h b/src/plugins/texteditor/codeassist/assistproposaliteminterface.h
index b1fd5f3848c..bedc6a98691 100644
--- a/src/plugins/texteditor/codeassist/assistproposaliteminterface.h
+++ b/src/plugins/texteditor/codeassist/assistproposaliteminterface.h
@@ -27,8 +27,6 @@
 
 #include "textdocumentmanipulatorinterface.h"
 
-#include <utils/declarationmacros.h>
-
 QT_BEGIN_NAMESPACE
 class QIcon;
 class QString;
@@ -54,7 +52,7 @@ public:
     AssistProposalItemInterface() = default;
     virtual ~AssistProposalItemInterface() noexcept = default;
 
-    UTILS_DELETE_MOVE_AND_COPY(AssistProposalItemInterface)
+    Q_DISABLE_COPY_MOVE(AssistProposalItemInterface)
 
     virtual QString text() const = 0;
     virtual QString filterText() const { return text(); }