diff --git a/src/ev.ml b/src/ev.ml
index d4f9aad..911e749 100644
--- a/src/ev.ml
+++ b/src/ev.ml
@@ -1,12 +1,12 @@
-type type' = Jv.t
+type t = Jv.t
 
 module Event = struct
   (*type for simple Event *)
-  type t = type'
+  type nonrec t = t
 end
 
 module Mouse = struct
-  type t = type'
+  type nonrec t = t
 
   let latlng e = Latlng.of_jv_t @@ Jv.get e "latlng"
 end
diff --git a/src/ev.mli b/src/ev.mli
index 0a93bcf..fffa63d 100644
--- a/src/ev.mli
+++ b/src/ev.mli
@@ -1,4 +1,4 @@
-type type'
+type t
 
 module Event : sig
   type t