diff --git a/src/re_frame/core.cljs b/src/re_frame/core.cljs
index 2d4c143..14902ff 100644
--- a/src/re_frame/core.cljs
+++ b/src/re_frame/core.cljs
@@ -10,28 +10,25 @@
 
 
 ;; --  dispatch
-
 (def dispatch         router/dispatch)
 (def dispatch-sync    router/dispatch-sync)
 
 
 ;; --  subscribe
-
 (def def-sub-raw         subs/register)
 (def def-sub             subs/register-pure)
 (def clear-all-subs!     subs/clear-all-handlers!)
 (def subscribe           subs/subscribe)
 
-;; -- Effects
-
-(def def-fx      fx/register)
-(def clear-fx!   fx/clear-handler!)
+;; --  effects
+(def def-fx         fx/register)
+(def clear-fx!      fx/clear-handler!)
+(def clear-all-fx!  fx/clear-all-handlers!)
 
 
-;; --  Middleware
-
+;; --  middleware
 (def pure        middleware/pure)
-(def fx          middleware/fx)
+(def fx          fx/fx)
 (def debug       middleware/debug)
 (def path        middleware/path)
 (def enrich      middleware/enrich)
@@ -40,7 +37,6 @@
 (def on-changes  middleware/on-changes)
 
 ;; --  Events
-
 (def clear-all-events!   events/clear-all-handlers!)
 (def clear-event!        events/clear-handler!)
 
diff --git a/src/re_frame/middleware.cljs b/src/re_frame/middleware.cljs
index 647273b..df6b868 100644
--- a/src/re_frame/middleware.cljs
+++ b/src/re_frame/middleware.cljs
@@ -9,9 +9,6 @@
 ;; Example use can be found in this repo: examples/todomvc/handler.cljs
 
 
-(defn fx
-  [handler])
-
 (defn pure
   "Acts as an adaptor, allowing handlers to be writen as pure functions.
   The re-frame router passes the `app-db` atom as the first parameter to any handler.