diff --git a/src/libs/cplusplus/PreprocessorEnvironment.h b/src/libs/cplusplus/PreprocessorEnvironment.h
index 231a88af015..d0c5efeb19d 100644
--- a/src/libs/cplusplus/PreprocessorEnvironment.h
+++ b/src/libs/cplusplus/PreprocessorEnvironment.h
@@ -51,7 +51,6 @@
 
 #include "CPlusPlusForwardDeclarations.h"
 
-#include <QVector>
 #include <QList>
 #include <QByteArray>