diff --git a/browser/common/source_files/mozconfig b/browser/common/source_files/mozconfig
index 70ad8b4..4c1a673 100644
--- a/browser/common/source_files/mozconfig
+++ b/browser/common/source_files/mozconfig
@@ -20,9 +20,6 @@ mk_add_options MOZ_DATA_REPORTING=0
 mk_add_options MOZ_SERVICES_HEALTHREPORT=0
 mk_add_options MOZ_TELEMETRY_REPORTING=0
 
-# Disable addon signing
-mk_add_options MOZ_REQUIRE_SIGNING=0
-