diff --git a/contrib/concurrency/concurrency-examples.factor b/contrib/concurrency/concurrency-examples.factor
index c798d3f82e..b97813db1f 100644
--- a/contrib/concurrency/concurrency-examples.factor
+++ b/contrib/concurrency/concurrency-examples.factor
@@ -23,8 +23,8 @@
 !
 ! Examples of using the concurrency library.
 IN: concurrency-examples
-USING: concurrency dlists errors gadgets-theme io kernel lists
-math namespaces opengl prettyprint sequences threads unparser ;
+USING: concurrency dlists errors gadgets-theme gadgets-panes io kernel lists
+math namespaces opengl prettyprint sequences threads ;
 
 : (logger) ( mailbox -- )
   #! Using the given mailbox, start a thread which
diff --git a/contrib/concurrency/concurrency.factor b/contrib/concurrency/concurrency.factor
index 335302f4a3..4b81d553f9 100644
--- a/contrib/concurrency/concurrency.factor
+++ b/contrib/concurrency/concurrency.factor
@@ -24,7 +24,7 @@
 ! Concurrency library for Factor based on Erlang/Termite style
 ! concurrency.
 USING: kernel lists generic threads io namespaces errors words 
-       math sequences hashtables unparser strings vectors dlists ;
+       math sequences hashtables strings vectors dlists ;
 IN: concurrency
 
 #! Debug
diff --git a/contrib/concurrency/load.factor b/contrib/concurrency/load.factor
index 1ba87047a2..f224c4ac2c 100644
--- a/contrib/concurrency/load.factor
+++ b/contrib/concurrency/load.factor
@@ -1,5 +1,4 @@
 USE: kernel
-USE: httpd
 USE: threads
 USE: prettyprint
 USE: errors
@@ -13,5 +12,3 @@ USE: parser
 : c "concurrency-tests.factor" run-file ;
 a
 b
-USE: concurrency
-USE: concurreny-examples
\ No newline at end of file