diff --git a/core/io/files/files-tests.factor b/core/io/files/files-tests.factor
index 79ada7e4c2..e7f7f4f777 100755
--- a/core/io/files/files-tests.factor
+++ b/core/io/files/files-tests.factor
@@ -70,7 +70,7 @@ USING: tools.test io.files io threads kernel continuations io.encodings.ascii ;
 
 [ ] [
     "delete-tree-test/a/b/c/d" temp-file
-    [ "Hi" print ] with-file-writer
+    ascii [ "Hi" print ] with-file-writer
 ] unit-test
 
 [ ] [
@@ -83,7 +83,7 @@ USING: tools.test io.files io threads kernel continuations io.encodings.ascii ;
 
 [ ] [
     "copy-tree-test/a/b/c/d" temp-file
-    [ "Foobar" write ] with-file-writer
+    ascii [ "Foobar" write ] with-file-writer
 ] unit-test
 
 [ ] [
@@ -92,7 +92,7 @@ USING: tools.test io.files io threads kernel continuations io.encodings.ascii ;
 ] unit-test
 
 [ "Foobar" ] [
-    "copy-destination/a/b/c/d" temp-file file-contents
+    "copy-destination/a/b/c/d" temp-file ascii file-contents
 ] unit-test
 
 [ ] [
@@ -105,7 +105,7 @@ USING: tools.test io.files io threads kernel continuations io.encodings.ascii ;
 ] unit-test
 
 [ "Foobar" ] [
-    "copy-destination/copy-tree-test/a/b/c/d" temp-file file-contents
+    "copy-destination/copy-tree-test/a/b/c/d" temp-file ascii file-contents
 ] unit-test
 
 [ ] [
@@ -113,7 +113,7 @@ USING: tools.test io.files io threads kernel continuations io.encodings.ascii ;
 ] unit-test
 
 [ "Foobar" ] [
-    "d" temp-file file-contents
+    "d" temp-file ascii file-contents
 ] unit-test
 
 [ ] [ "d" temp-file delete-file ] unit-test
diff --git a/core/listener/listener.factor b/core/listener/listener.factor
index fce4886112..61d3f9836d 100755
--- a/core/listener/listener.factor
+++ b/core/listener/listener.factor
@@ -1,7 +1,7 @@
 ! Copyright (C) 2003, 2008 Slava Pestov.
 ! See http://factorcode.org/license.txt for BSD license.
 USING: arrays hashtables io kernel math math.parser memory
-namespaces parser sequences strings io.styles io.streams.lines
+namespaces parser sequences strings io.styles
 io.streams.duplex vectors words generic system combinators
 tuples continuations debugger definitions compiler.units ;
 IN: listener
diff --git a/extra/io/unix/launcher/launcher-tests.factor b/extra/io/unix/launcher/launcher-tests.factor
index fd2fb53cc5..c24d5c7c9e 100644
--- a/extra/io/unix/launcher/launcher-tests.factor
+++ b/extra/io/unix/launcher/launcher-tests.factor
@@ -1,6 +1,6 @@
 IN: io.unix.launcher.tests
 USING: io.files tools.test io.launcher arrays io namespaces
-continuations math ;
+continuations math io.encodings.ascii ;
 
 [ ] [
     [ "launcher-test-1" temp-file delete-file ] ignore-errors
@@ -30,7 +30,7 @@ continuations math ;
     "cat"
     "launcher-test-1" temp-file
     2array
-    <process-stream> contents
+    ascii <process-stream> contents
 ] unit-test
 
 [ "" ] [
@@ -39,7 +39,7 @@ continuations math ;
         "launcher-test-1" temp-file
         2array +arguments+ set
         +inherit+ +stdout+ set
-    ] { } make-assoc <process-stream> contents
+    ] { } make-assoc ascii <process-stream> contents
 ] unit-test
 
 [ ] [
@@ -58,12 +58,12 @@ continuations math ;
     "cat"
     "launcher-test-1" temp-file
     2array
-    <process-stream> contents
+    ascii <process-stream> contents
 ] unit-test
 
 [ ] [
     2 [
-        "launcher-test-1" temp-file <file-appender> [
+        "launcher-test-1" temp-file ascii <file-appender> [
             [
                 +stdout+ set
                 "echo Hello" +command+ set
@@ -76,5 +76,5 @@ continuations math ;
     "cat"
     "launcher-test-1" temp-file
     2array
-    <process-stream> contents
+    ascii <process-stream> contents
 ] unit-test