diff --git a/mozilla-bmo1580963.patch b/mozilla-bmo1580963.patch
deleted file mode 100644
index 50ae1ab..0000000
--- a/mozilla-bmo1580963.patch
+++ /dev/null
@@ -1,61 +0,0 @@
-From 7617a0e6fe2bb7afab6ffda49fc8cd9eca2f035b Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Emilio=20Cobos=20=C3=81lvarez?= <emilio@crisal.io>
-Date: Thu, 12 Sep 2019 21:09:27 +0000
-Subject: [PATCH] Bug 1580963 - Cherry-pick some servo changes from a rustc
- upgrade.
-
-This cherry-picks from Servo commit 98e4a53b724.
-
-Differential Revision: https://phabricator.services.mozilla.com/D45738
-
---HG--
-extra : moz-landing-system : lando
----
- .../style/stylesheets/viewport_rule.rs        | 23 +++++++++++++------
- 1 file changed, 16 insertions(+), 7 deletions(-)
-
-diff --git a/servo/components/style/stylesheets/viewport_rule.rs b/servo/components/style/stylesheets/viewport_rule.rs
-index 8cc858f7a7f69..7d0881e3336a9 100644
---- old/servo/components/style/stylesheets/viewport_rule.rs
-+++ new/servo/components/style/stylesheets/viewport_rule.rs
-@@ -291,15 +291,18 @@ impl<'a, 'b, 'i> DeclarationParser<'i> for ViewportRuleParser<'a, 'b> {
-     ) -> Result<Vec<ViewportDescriptorDeclaration>, ParseError<'i>> {
-         macro_rules! declaration {
-             ($declaration:ident($parse:expr)) => {
--                declaration!($declaration(value: try!($parse(input)),
--                                          important: input.try(parse_important).is_ok()))
-+                declaration!($declaration {
-+                    value: $parse(input)?,
-+                    important: input.try(parse_important).is_ok(),
-+                })
-             };
--            ($declaration:ident(value: $value:expr, important: $important:expr)) => {
-+            ($declaration:ident { value: $value:expr, important: $important:expr, }) => {
-                 ViewportDescriptorDeclaration::new(
-                     self.context.stylesheet_origin,
-                     ViewportDescriptor::$declaration($value),
--                    $important)
--            }
-+                    $important,
-+                )
-+            };
-         }
- 
-         macro_rules! ok {
-@@ -311,8 +314,14 @@ impl<'a, 'b, 'i> DeclarationParser<'i> for ViewportRuleParser<'a, 'b> {
-                 let important = input.try(parse_important).is_ok();
- 
-                 Ok(vec![
--                    declaration!($min(value: shorthand.0, important: important)),
--                    declaration!($max(value: shorthand.1, important: important)),
-+                    declaration!($min {
-+                        value: shorthand.0,
-+                        important: important,
-+                    }),
-+                    declaration!($max {
-+                        value: shorthand.1,
-+                        important: important,
-+                    }),
-                 ])
-             }};
-         }