diff --git a/mozilla-bmo1554971.patch b/mozilla-bmo1554971.patch
deleted file mode 100644
index 8d5c7a6..0000000
--- a/mozilla-bmo1554971.patch
+++ /dev/null
@@ -1,22 +0,0 @@
-# HG changeset patch
-# Parent  a25cebecb02d5460b8ad757fe9cb4a9c8d1d7658
-Eliminate startup error message:
-JavaScript error: , line 0: Error: Type error for platformInfo value (Error processing arch: Invalid enumeration value "s390x") for runtime.getPlatformInfo.
-
-Reported here: https://bugzilla.mozilla.org/show_bug.cgi?id=1554971
-
-Uncertain if this is causing real problems or not. Also uncertain if the fix actually fixes anything.
-No response from upstream yet.
-
-diff -r a25cebecb02d -r 378b81b00e73 toolkit/components/extensions/schemas/runtime.json
---- a/toolkit/components/extensions/schemas/runtime.json	Fri Jul 05 12:42:44 2019 +0200
-+++ b/toolkit/components/extensions/schemas/runtime.json	Fri Jul 19 13:19:30 2019 +0200
-@@ -64,7 +64,7 @@
-       {
-         "id": "PlatformArch",
-         "type": "string",
--        "enum": ["aarch64", "arm", "ppc64", "s390x", "sparc64", "x86-32", "x86-64"],
-+        "enum": ["aarch64", "arm", "ppc64", "s390x", "sparc64", "x86-32", "x86-64", "ppc64le"],
-         "allowedContexts": ["content", "devtools"],
-         "description": "The machine's processor architecture."
-       },