4 files changed, 5 insertions, 5 deletions
diff --git a/src/test/compile-fail/comm-makes-io.rs b/src/test/compile-fail/comm-makes-io.rs
index 50f87d0c..57a8e6e8 100644
--- a/src/test/compile-fail/comm-makes-io.rs
+++ b/src/test/compile-fail/comm-makes-io.rs
@@ -1,4 +1,4 @@
-// error-pattern: calculated effect is 'io'
+// error-pattern: calculated effect is 'impure'
 
 fn main() {
   let chan[int] c = chan();
diff --git a/src/test/compile-fail/impure-pred.rs b/src/test/compile-fail/impure-pred.rs
index 82d4cf6f..c322850b 100644
--- a/src/test/compile-fail/impure-pred.rs
+++ b/src/test/compile-fail/impure-pred.rs
@@ -5,7 +5,7 @@
 fn f(int a, int b) : lt(a,b) {
 }
 
-io fn lt(int a, int b) -> bool {
+impure fn lt(int a, int b) -> bool {
   let port[int] p = port();
   let chan[int] c = chan(p);
   c <| 10;
diff --git a/src/test/compile-fail/io-infects-caller.rs b/src/test/compile-fail/io-infects-caller.rs
index 2f5f003f..b07f46e6 100644
--- a/src/test/compile-fail/io-infects-caller.rs
+++ b/src/test/compile-fail/io-infects-caller.rs
@@ -1,6 +1,6 @@
-// error-pattern: calculated effect is 'io'
+// error-pattern: calculated effect is 'impure'
 
-io fn foo() {
+impure fn foo() {
   let chan[int] c = chan();
   c <| 10;
 }
diff --git a/src/test/compile-fail/unnecessary-io.rs b/src/test/compile-fail/unnecessary-io.rs
index 45a93798..fb50a54c 100644
--- a/src/test/compile-fail/unnecessary-io.rs
+++ b/src/test/compile-fail/unnecessary-io.rs
@@ -1,4 +1,4 @@
 // error-pattern: calculated effect is ''
-io fn main() {
+impure fn main() {
   log "hi";
 }
 \ No newline at end of file