diff --git a/ext/bg/js/api.js b/ext/bg/js/api.js
index 12257e92..d5256acb 100644
--- a/ext/bg/js/api.js
+++ b/ext/bg/js/api.js
@@ -404,7 +404,9 @@ async function apiGetBrowser() {
             if (info.name === 'Fennec') {
                 return 'firefox-mobile';
             }
-        } catch (e) { }
+        } catch (e) {
+            // NOP
+        }
         return 'firefox';
     } else {
         return 'chrome';
diff --git a/ext/bg/js/settings.js b/ext/bg/js/settings.js
index f5c086ef..48026794 100644
--- a/ext/bg/js/settings.js
+++ b/ext/bg/js/settings.js
@@ -737,7 +737,9 @@ function storageBytesToLabeledString(size) {
 async function storageEstimate() {
     try {
         return (storageEstimate.mostRecent = await navigator.storage.estimate());
-    } catch (e) { }
+    } catch (e) {
+        // NOP
+    }
     return null;
 }
 storageEstimate.mostRecent = null;
@@ -745,7 +747,9 @@ storageEstimate.mostRecent = null;
 async function isStoragePeristent() {
     try {
         return await navigator.storage.persisted();
-    } catch (e) { }
+    } catch (e) {
+        // NOP
+    }
     return false;
 }