8 files changed, 16 insertions, 0 deletions
diff --git a/src/test/run-pass/hygiene/arguments.rs b/src/test/run-pass/hygiene/arguments.rs
index 19fd08c14df..5d9e1863847 100644
--- a/src/test/run-pass/hygiene/arguments.rs
+++ b/src/test/run-pass/hygiene/arguments.rs
@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-pretty pretty-printing is unhygienic
+
 #![feature(decl_macro)]
 
 macro m($t:ty, $e:expr) {
diff --git a/src/test/run-pass/hygiene/fields.rs b/src/test/run-pass/hygiene/fields.rs
index 6768753f16c..d7f99ba2118 100644
--- a/src/test/run-pass/hygiene/fields.rs
+++ b/src/test/run-pass/hygiene/fields.rs
@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-pretty pretty-printing is unhygienic
+
 #![feature(decl_macro)]
 
 mod foo {
diff --git a/src/test/run-pass/hygiene/impl_items.rs b/src/test/run-pass/hygiene/impl_items.rs
index 01b8e22e9ef..a5780a573ab 100644
--- a/src/test/run-pass/hygiene/impl_items.rs
+++ b/src/test/run-pass/hygiene/impl_items.rs
@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-pretty pretty-printing is unhygienic
+
 #![feature(decl_macro)]
 
 mod foo {
diff --git a/src/test/run-pass/hygiene/intercrate.rs b/src/test/run-pass/hygiene/intercrate.rs
index 6550b649230..3a75085f22e 100644
--- a/src/test/run-pass/hygiene/intercrate.rs
+++ b/src/test/run-pass/hygiene/intercrate.rs
@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-pretty pretty-printing is unhygienic
+
 // aux-build:intercrate.rs
 
 #![feature(decl_macro)]
diff --git a/src/test/run-pass/hygiene/items.rs b/src/test/run-pass/hygiene/items.rs
index 1fc51eec26c..121c341a124 100644
--- a/src/test/run-pass/hygiene/items.rs
+++ b/src/test/run-pass/hygiene/items.rs
@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-pretty pretty-printing is unhygienic
+
 #![feature(decl_macro)]
 
 pub macro m($foo:ident, $f:ident, $e:expr) {
diff --git a/src/test/run-pass/hygiene/lexical.rs b/src/test/run-pass/hygiene/lexical.rs
index 40683917942..cb02a17fec3 100644
--- a/src/test/run-pass/hygiene/lexical.rs
+++ b/src/test/run-pass/hygiene/lexical.rs
@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-pretty pretty-printing is unhygienic
+
 #![feature(decl_macro)]
 
 mod bar {
diff --git a/src/test/run-pass/hygiene/trait_items.rs b/src/test/run-pass/hygiene/trait_items.rs
index ed57d6de1af..2344c97ce1b 100644
--- a/src/test/run-pass/hygiene/trait_items.rs
+++ b/src/test/run-pass/hygiene/trait_items.rs
@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-pretty pretty-printing is unhygienic
+
 #![feature(decl_macro)]
 
 macro m($T:ident, $f:ident) {
diff --git a/src/test/run-pass/hygiene/ty_params.rs b/src/test/run-pass/hygiene/ty_params.rs
index f41c365d380..510528ede40 100644
--- a/src/test/run-pass/hygiene/ty_params.rs
+++ b/src/test/run-pass/hygiene/ty_params.rs
@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-pretty pretty-printing is unhygienic
+
 #![feature(decl_macro)]
 
 macro m($T:ident) {