diff --git a/src/plugins/clangformat/CMakeLists.txt b/src/plugins/clangformat/CMakeLists.txt
index 61ebc03c421..9a0d230315b 100644
--- a/src/plugins/clangformat/CMakeLists.txt
+++ b/src/plugins/clangformat/CMakeLists.txt
@@ -13,6 +13,8 @@ add_qtc_plugin(ClangFormat
     clangformatplugin.cpp clangformatplugin.h
     clangformatsettings.cpp clangformatsettings.h
     clangformatutils.cpp clangformatutils.h
+  EXPLICIT_MOC
+    clangformatconfigwidget.cpp clangformatconfigwidget.h
 )
 
 if(TARGET ClangFormat)
diff --git a/src/plugins/clangformat/clangformatutils.cpp b/src/plugins/clangformat/clangformatutils.cpp
index 230078558e5..973c1050772 100644
--- a/src/plugins/clangformat/clangformatutils.cpp
+++ b/src/plugins/clangformat/clangformatutils.cpp
@@ -118,7 +118,9 @@ clang::format::FormatStyle qtcStyle()
     style.ColumnLimit = 100;
     style.CommentPragmas = "^ IWYU pragma:";
     style.CompactNamespaces = false;
+#if LLVM_VERSION_MAJOR < 15
     style.ConstructorInitializerAllOnOneLineOrOnePerLine = false;
+#endif
     style.ConstructorInitializerIndentWidth = 4;
     style.ContinuationIndentWidth = 4;
     style.Cpp11BracedListStyle = true;