diff --git a/plugins/fossil/fossileditor.cpp b/plugins/fossil/fossileditor.cpp
index 7df989bfb2a..cab8dbf68c0 100644
--- a/plugins/fossil/fossileditor.cpp
+++ b/plugins/fossil/fossileditor.cpp
@@ -35,7 +35,6 @@
 #include <vcsbase/diffandloghighlighter.h>
 
 #include <QRegularExpression>
-#include <QRegExp>
 #include <QString>
 #include <QTextCursor>
 #include <QTextBlock>