diff --git a/src/cargo/cargo.rc b/src/cargo/cargo.rc
index ae095318873..17ddacfd7eb 100644
--- a/src/cargo/cargo.rc
+++ b/src/cargo/cargo.rc
@@ -24,6 +24,8 @@
 #[allow(vecs_implicitly_copyable,
         non_implicitly_copyable_typarams)];
 #[allow(non_camel_case_types)];
+#[allow(deprecated_mode)];
+#[allow(deprecated_pattern)];
 
 extern mod core(vers = "0.4");
 extern mod std(vers = "0.4");
diff --git a/src/compiletest/compiletest.rc b/src/compiletest/compiletest.rc
index ce11245dba5..991d2d2cb0e 100644
--- a/src/compiletest/compiletest.rc
+++ b/src/compiletest/compiletest.rc
@@ -5,6 +5,8 @@
 
 #[allow(vecs_implicitly_copyable)];
 #[allow(non_camel_case_types)];
+#[allow(deprecated_mode)];
+#[allow(deprecated_pattern)];
 
 extern mod core(vers = "0.4");
 extern mod std(vers = "0.4");
diff --git a/src/fuzzer/fuzzer.rc b/src/fuzzer/fuzzer.rc
index 073335fbc72..640bcccc7a8 100644
--- a/src/fuzzer/fuzzer.rc
+++ b/src/fuzzer/fuzzer.rc
@@ -9,6 +9,8 @@
 
 #[allow(vecs_implicitly_copyable)];
 #[allow(non_camel_case_types)];
+#[allow(deprecated_mode)];
+#[allow(deprecated_pattern)];
 
 extern mod core(vers = "0.4");
 extern mod std(vers = "0.4");
diff --git a/src/libsyntax/syntax.rc b/src/libsyntax/syntax.rc
index a8ae9bd63a1..38abf5f445c 100644
--- a/src/libsyntax/syntax.rc
+++ b/src/libsyntax/syntax.rc
@@ -13,6 +13,8 @@
 
 #[allow(vecs_implicitly_copyable)];
 #[allow(non_camel_case_types)];
+#[allow(deprecated_mode)];
+#[allow(deprecated_pattern)];
 
 extern mod core(vers = "0.4");
 extern mod std(vers = "0.4");
diff --git a/src/rustc/rustc.rc b/src/rustc/rustc.rc
index c021a4e2854..dad27b706e6 100644
--- a/src/rustc/rustc.rc
+++ b/src/rustc/rustc.rc
@@ -16,7 +16,8 @@
 
 #[allow(vecs_implicitly_copyable)];
 #[allow(non_camel_case_types)];
-// #[warn(deprecated_pattern)];
+#[allow(deprecated_mode)];
+#[allow(deprecated_pattern)];
 
 extern mod core(vers = "0.4");
 extern mod std(vers = "0.4");
diff --git a/src/rustdoc/rustdoc.rc b/src/rustdoc/rustdoc.rc
index 1686f56e3f1..f8714b0e9ba 100644
--- a/src/rustdoc/rustdoc.rc
+++ b/src/rustdoc/rustdoc.rc
@@ -15,6 +15,8 @@
 
 #[allow(vecs_implicitly_copyable)];
 #[allow(non_implicitly_copyable_typarams)];
+#[allow(deprecated_mode)];
+#[allow(deprecated_pattern)];
 
 extern mod core(vers = "0.4");
 extern mod std(vers = "0.4");