diff --git a/src/frontends/lean/inductive_cmds.cpp b/src/frontends/lean/inductive_cmds.cpp
index 2cc83fcdb5..02375a1f69 100644
--- a/src/frontends/lean/inductive_cmds.cpp
+++ b/src/frontends/lean/inductive_cmds.cpp
@@ -28,7 +28,6 @@ Authors: Daniel Selsam, Leonardo de Moura
 #include "library/reducible.h"
 #include "library/class.h"
 #include "library/trace.h"
-#include "library/app_builder.h"
 #include "library/type_context.h"
 #include "library/documentation.h"
 #include "library/constants.h"