diff --git a/src/plugins/autotoolsprojectmanager/autotoolsproject.h b/src/plugins/autotoolsprojectmanager/autotoolsproject.h
index 2183ee92b73..b9016bdcc04 100644
--- a/src/plugins/autotoolsprojectmanager/autotoolsproject.h
+++ b/src/plugins/autotoolsprojectmanager/autotoolsproject.h
@@ -39,7 +39,6 @@ namespace AutotoolsProjectManager {
 namespace Internal {
 
 class MakefileParserThread;
-class AutotoolsTarget;
 
 /**
  * @brief Implementation of the ProjectExplorer::Project interface.