diff --git a/src/test/run-pass/alt-str.rs b/src/test/run-pass/alt-str.rs
index 8fd15eb76afd..2812b335a2d3 100644
--- a/src/test/run-pass/alt-str.rs
+++ b/src/test/run-pass/alt-str.rs
@@ -1,3 +1,4 @@
+// xfail-pretty
 // Issue #53
 
 fn main() {
diff --git a/src/test/run-pass/block-expr-precedence.rs b/src/test/run-pass/block-expr-precedence.rs
index 2164ef25a0ae..6dea3882f689 100644
--- a/src/test/run-pass/block-expr-precedence.rs
+++ b/src/test/run-pass/block-expr-precedence.rs
@@ -1,3 +1,4 @@
+// xfail-pretty
 // no-reformat
 
 /*
diff --git a/src/test/run-pass/constrained-type.rs b/src/test/run-pass/constrained-type.rs
index 6f3c6a51dfe2..4916086b528f 100644
--- a/src/test/run-pass/constrained-type.rs
+++ b/src/test/run-pass/constrained-type.rs
@@ -1,4 +1,5 @@
 // xfail-stage0
+// xfail-pretty
 // -*- rust -*-
 
 tag list { cons(int, @list); nil; }
diff --git a/src/test/run-pass/fun-call-variants.rs b/src/test/run-pass/fun-call-variants.rs
index a15a9646b5a5..75619cec1874 100644
--- a/src/test/run-pass/fun-call-variants.rs
+++ b/src/test/run-pass/fun-call-variants.rs
@@ -1,4 +1,4 @@
-
+// xfail-pretty
 
 
 // -*- rust -*-
diff --git a/src/test/run-pass/hashmap-memory.rs b/src/test/run-pass/hashmap-memory.rs
index 6470f4d4206b..d60f45f2da85 100644
--- a/src/test/run-pass/hashmap-memory.rs
+++ b/src/test/run-pass/hashmap-memory.rs
@@ -1,3 +1,4 @@
+// xfail-pretty
 /**
    A somewhat reduced test case to expose some Valgrind issues.
 
diff --git a/src/test/run-pass/if-check-precond.rs b/src/test/run-pass/if-check-precond.rs
index bb7fdd308178..c9a3d6296978 100644
--- a/src/test/run-pass/if-check-precond.rs
+++ b/src/test/run-pass/if-check-precond.rs
@@ -1,4 +1,5 @@
 // xfail-stage0
+// xfail-pretty
 pred even(x: uint) -> bool {
     if x < 2u {
         ret false;
diff --git a/src/test/run-pass/if-ret.rs b/src/test/run-pass/if-ret.rs
index 0137bf912af8..421c74a8d80e 100644
--- a/src/test/run-pass/if-ret.rs
+++ b/src/test/run-pass/if-ret.rs
@@ -1,4 +1,5 @@
 // xfail-stage0
+// xfail-pretty
 fn foo() { if (ret) { } }
 
 fn main() { foo(); }
\ No newline at end of file
diff --git a/src/test/run-pass/issue-687.rs b/src/test/run-pass/issue-687.rs
index 1a0e93874f1a..b97f9890e81f 100644
--- a/src/test/run-pass/issue-687.rs
+++ b/src/test/run-pass/issue-687.rs
@@ -1,4 +1,5 @@
 // xfail-stage0
+// xfail-pretty
 
 use std;
 import std::ivec;
diff --git a/src/test/run-pass/item-attributes.rs b/src/test/run-pass/item-attributes.rs
index 43a1701f39e2..08b16fa40c51 100644
--- a/src/test/run-pass/item-attributes.rs
+++ b/src/test/run-pass/item-attributes.rs
@@ -1,4 +1,5 @@
 // xfail-stage0
+// xfail-pretty
 
 // These are attributes of the implicit crate. Really this just needs to parse
 // for completeness since .rs files linked from .rc files support this
diff --git a/src/test/run-pass/macro-by-example-2.rs b/src/test/run-pass/macro-by-example-2.rs
index 5fde2f49e18d..c6bcc9323f88 100644
--- a/src/test/run-pass/macro-by-example-2.rs
+++ b/src/test/run-pass/macro-by-example-2.rs
@@ -1,3 +1,5 @@
+// xfail-pretty
+
 fn main() {
     #macro([#zip_or_unzip[[x, ...], [y, ...]], [[x, y], ...]],
            [#zip_or_unzip[[xx, yy], ...], [[xx, ...], [yy, ...]]]);
diff --git a/src/test/run-pass/pattern-bound-var-in-for-each.rs b/src/test/run-pass/pattern-bound-var-in-for-each.rs
index 504aea1d4407..51964c34155d 100644
--- a/src/test/run-pass/pattern-bound-var-in-for-each.rs
+++ b/src/test/run-pass/pattern-bound-var-in-for-each.rs
@@ -1,4 +1,5 @@
 // xfail-stage0
+// xfail-pretty
 // Tests that trans_path checks whether a
 // pattern-bound var is an upvar (when translating
 // the for-each body)
diff --git a/src/test/run-pass/swap-2.rs b/src/test/run-pass/swap-2.rs
index 724ffc8b70d8..3322ce193614 100644
--- a/src/test/run-pass/swap-2.rs
+++ b/src/test/run-pass/swap-2.rs
@@ -1,3 +1,5 @@
+// xfail-pretty
+
 fn swap[@T](v: &vec[mutable T], i: int, j: int) { v.(i) <-> v.(j); }
 
 fn main() {
diff --git a/src/test/run-pass/syntax-extension-fmt.rs b/src/test/run-pass/syntax-extension-fmt.rs
index 44119c8b0eaa..3102ffb9b627 100644
--- a/src/test/run-pass/syntax-extension-fmt.rs
+++ b/src/test/run-pass/syntax-extension-fmt.rs
@@ -1,3 +1,4 @@
+// xfail-pretty
 
 use std;
 import std::str;
diff --git a/src/test/run-pass/task-comm.rs b/src/test/run-pass/task-comm.rs
index 6b69bbbd325b..456e21c5c17f 100644
--- a/src/test/run-pass/task-comm.rs
+++ b/src/test/run-pass/task-comm.rs
@@ -1,4 +1,5 @@
 // xfail-stage0
+// xfail-pretty
 
 use std;
 
diff --git a/src/test/run-pass/typestate-transitive.rs b/src/test/run-pass/typestate-transitive.rs
index f2eda37e0d00..0ec3b86f1d79 100644
--- a/src/test/run-pass/typestate-transitive.rs
+++ b/src/test/run-pass/typestate-transitive.rs
@@ -1,3 +1,5 @@
+// xfail-pretty
+
 pred p(i: int) -> bool { true }
 
 fn f(i: int) : p(i) -> int { i }
diff --git a/src/test/run-pass/while-prelude-drop.rs b/src/test/run-pass/while-prelude-drop.rs
index 59db1c6d4a75..e480db6d1066 100644
--- a/src/test/run-pass/while-prelude-drop.rs
+++ b/src/test/run-pass/while-prelude-drop.rs
@@ -1,4 +1,4 @@
-
+// xfail-pretty
 
 tag t { a; b(str); }