diff --git a/contract.rkt b/contract.rkt
index cbb344e..6a4120b 100644
--- a/contract.rkt
+++ b/contract.rkt
@@ -1,6 +1,7 @@
 #lang racket/base
 
-(require "main.rkt")
+(require "main.rkt"
+         racket/contract)
 
 (provide define/contract/return
          (all-from-out racket/contract)
@@ -50,3 +51,4 @@
      )
     )
   )
+
diff --git a/main.rkt b/main.rkt
index bf2fe4a..ef51566 100644
--- a/main.rkt
+++ b/main.rkt
@@ -1,11 +1,7 @@
 #lang racket/base
 
-(require racket/contract)
-
 (provide define/return
-         define/contract/return
          return
-         (all-from-out racket/contract)
          )
 
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