diff --git a/src/plugins/clangtools/clangtoolruncontrol.h b/src/plugins/clangtools/clangtoolruncontrol.h
index 63ffdf99c05..4a47e486106 100644
--- a/src/plugins/clangtools/clangtoolruncontrol.h
+++ b/src/plugins/clangtools/clangtoolruncontrol.h
@@ -20,7 +20,7 @@ namespace Utils { class TaskTree; }
 namespace ClangTools {
 namespace Internal {
 
-class AnalyzeOutputData;
+struct AnalyzeOutputData;
 class ClangTool;
 class ProjectBuilder;
 
diff --git a/src/plugins/clangtools/documentclangtoolrunner.h b/src/plugins/clangtools/documentclangtoolrunner.h
index e3c274ce9cd..94111abb37a 100644
--- a/src/plugins/clangtools/documentclangtoolrunner.h
+++ b/src/plugins/clangtools/documentclangtoolrunner.h
@@ -20,7 +20,7 @@ namespace Utils { class TaskTree; }
 namespace ClangTools {
 namespace Internal {
 
-class AnalyzeOutputData;
+struct AnalyzeOutputData;
 class DiagnosticMark;
 
 class DocumentClangToolRunner : public QObject