--- a/mobile/android/app/lint.xml
+++ b/mobile/android/app/lint.xml
@@ -175,16 +175,17 @@
     <issue id="Typos" severity="error" />
     <issue id="UniqueConstants" severity="error" />
     <issue id="UniquePermission" severity="error" />
     <issue id="UnknownId" severity="error" />
     <issue id="UnknownIdInLayout" severity="error" />
     <issue id="UnlocalizedSms" severity="error" />
     <issue id="UnusedNamespace" severity="error" />
     <issue id="UnusedQuantity" severity="error" />
+    <issue id="UnusedResources" severity="error" />
     <issue id="Usability" severity="error" />
     <issue id="UseCheckPermission" severity="error" />
     <issue id="UseCompoundDrawables" severity="error" />
     <issue id="UselessLeaf" severity="error" />
     <issue id="UsesMinSdkAttributes" severity="error" />
     <issue id="UsingHttp" severity="error" />
     <issue id="ViewHolder" severity="error" />
     <issue id="ViewTag" severity="error" />