diff --git a/basis/ui/backend/gtk/gtk.factor b/basis/ui/backend/gtk/gtk.factor
index 7f75dfd4e8..887d0318ad 100644
--- a/basis/ui/backend/gtk/gtk.factor
+++ b/basis/ui/backend/gtk/gtk.factor
@@ -562,9 +562,6 @@ os linux? [
     gtk-ui-backend ui-backend set-global
 ] when
 
-{ "ui.backend.gtk" "io.backend.unix" }
-"ui.backend.gtk.io.unix" require-when
-
 { "ui.backend.gtk" "ui.gadgets.editors" }
 "ui.backend.gtk.input-methods.editors" require-when
 
diff --git a/basis/ui/backend/gtk/io/io.factor b/basis/ui/backend/gtk/io/io.factor
index 04a69690da..577a05f1f4 100644
--- a/basis/ui/backend/gtk/io/io.factor
+++ b/basis/ui/backend/gtk/io/io.factor
@@ -1,8 +1,51 @@
 ! Copyright (C) 2011 Anton Gorenko.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: io.backend kernel ;
+USING: accessors alien.c-types classes.struct continuations glib.ffi
+io.backend.unix.multiplexers io.thread kernel libc literals locals
+namespaces threads ;
 IN: ui.backend.gtk.io
 
-HOOK: with-event-loop io-backend ( quot -- )
+: prepare ( source timeout -- ? )
+    2drop f ;
 
-M: object with-event-loop call( -- ) ;
+: check ( source -- ? )
+    poll_fds>> 0 g_slist_nth_data GPollFD memory>struct
+    revents>> 0 = not ;
+
+: dispatch ( source callback user-data -- ? )
+     3drop
+     0 mx get-global wait-for-events
+     yield t ;
+
+: <funcs> ( -- funcs )
+    GSourceFuncs malloc-struct
+        [ prepare ] GSourceFuncsPrepareFunc >>prepare
+        [ check ] GSourceFuncsCheckFunc >>check
+        [ dispatch ] GSourceFuncsDispatchFunc >>dispatch ;
+
+CONSTANT: poll-fd-events
+    flags{
+        G_IO_IN
+        G_IO_OUT
+        G_IO_PRI
+        G_IO_ERR
+        G_IO_HUP
+        G_IO_NVAL
+    }
+
+: <poll-fd> ( -- poll-fd )
+    GPollFD malloc-struct &free
+        mx get-global fd>> >>fd
+        poll-fd-events >>events ;
+
+:: with-event-loop ( quot -- )
+    stop-io-thread
+    <funcs> &free
+    GSource heap-size g_source_new &g_source_unref :> source
+    source <poll-fd> g_source_add_poll
+    source f g_source_attach drop
+    [ quot call( -- ) ]
+    [
+        source g_source_destroy
+        start-io-thread
+    ] [ ] cleanup ;
diff --git a/basis/ui/backend/gtk/io/unix/platforms.txt b/basis/ui/backend/gtk/io/platforms.txt
similarity index 100%
rename from basis/ui/backend/gtk/io/unix/platforms.txt
rename to basis/ui/backend/gtk/io/platforms.txt
diff --git a/basis/ui/backend/gtk/io/unix/authors.txt b/basis/ui/backend/gtk/io/unix/authors.txt
deleted file mode 100644
index 4af9fbeb0a..0000000000
--- a/basis/ui/backend/gtk/io/unix/authors.txt
+++ /dev/null
@@ -1 +0,0 @@
-Anton Gorenko
diff --git a/basis/ui/backend/gtk/io/unix/unix.factor b/basis/ui/backend/gtk/io/unix/unix.factor
deleted file mode 100644
index 48790c6c74..0000000000
--- a/basis/ui/backend/gtk/io/unix/unix.factor
+++ /dev/null
@@ -1,51 +0,0 @@
-! Copyright (C) 2011 Anton Gorenko.
-! See http://factorcode.org/license.txt for BSD license.
-USING: accessors alien.c-types classes.struct continuations
-glib.ffi io.backend.unix.multiplexers io.thread kernel libc
-literals locals namespaces system threads ui.backend.gtk.io ;
-IN: ui.backend.gtk.io.unix
-
-: prepare ( source timeout -- ? )
-    2drop f ;
-
-: check ( source -- ? )
-    poll_fds>> 0 g_slist_nth_data GPollFD memory>struct
-    revents>> 0 = not ;
-
-: dispatch ( source callback user-data -- ? )
-     3drop
-     0 mx get-global wait-for-events
-     yield t ;
-
-: <funcs> ( -- funcs )
-    GSourceFuncs malloc-struct
-        [ prepare ] GSourceFuncsPrepareFunc >>prepare
-        [ check ] GSourceFuncsCheckFunc >>check
-        [ dispatch ] GSourceFuncsDispatchFunc >>dispatch ;
-
-CONSTANT: poll-fd-events
-    flags{
-        G_IO_IN
-        G_IO_OUT
-        G_IO_PRI
-        G_IO_ERR
-        G_IO_HUP
-        G_IO_NVAL
-    }
-
-: <poll-fd> ( -- poll-fd )
-    GPollFD malloc-struct &free
-        mx get-global fd>> >>fd
-        poll-fd-events >>events ;
-
-M:: unix with-event-loop ( quot -- )
-    stop-io-thread
-    <funcs> &free
-    GSource heap-size g_source_new &g_source_unref :> source
-    source <poll-fd> g_source_add_poll
-    source f g_source_attach drop
-    [ quot call( -- ) ]
-    [
-        source g_source_destroy
-        start-io-thread
-    ] [ ] cleanup ;