diff --git a/b2g/confvars.sh b/b2g/confvars.sh
index 1bfb9c75eb7..f7cf12a6658 100644
--- a/b2g/confvars.sh
+++ b/b2g/confvars.sh
@@ -60,11 +60,8 @@ MOZ_B2G=1
 if test "$OS_TARGET" = "Android"; then
 MOZ_NUWA_PROCESS=1
 MOZ_B2G_LOADER=1
-# Warnings-as-errors cannot be enabled on Lollipop until bug 1119980 is fixed.
-if test "$PLATFORM_SDK_VERSION" -lt 21; then
 MOZ_ENABLE_WARNINGS_AS_ERRORS=1
 fi
-fi
 
 MOZ_JSDOWNLOADS=1