diff --git a/src/core/executors/ExecutorStore.ts b/src/core/executors/ExecutorStore.ts
index 0353fd215..1ad9cf4c9 100644
--- a/src/core/executors/ExecutorStore.ts
+++ b/src/core/executors/ExecutorStore.ts
@@ -20,7 +20,7 @@ export class ExecutorStore {
 
   // call processDeltaQueue on all executors immediately
   public forceDeltaQueueProcessingOnAllExecutors(): void {
-    var didSubscriptionExecutorProcessDeltaQueue = false;
+    let didSubscriptionExecutorProcessDeltaQueue = false;
 
     Object.values(this.store).forEach((executor) => {
       if (
diff --git a/src/shared/api/OneSignalApiBase.ts b/src/shared/api/OneSignalApiBase.ts
index 6645342ba..dbdd89a1c 100644
--- a/src/shared/api/OneSignalApiBase.ts
+++ b/src/shared/api/OneSignalApiBase.ts
@@ -71,7 +71,6 @@ export class OneSignalApiBase {
     callHeaders.append('SDK-Version', `onesignal/web/${Environment.version()}`);
     callHeaders.append('Content-Type', 'application/json;charset=UTF-8');
 
-
     if (headers) {
       headers.forEach((value, key) => {
         callHeaders.append(key, value);
diff --git a/src/shared/services/OneSignalEvent.ts b/src/shared/services/OneSignalEvent.ts
index ae2a82215..ccb51ab51 100755
--- a/src/shared/services/OneSignalEvent.ts
+++ b/src/shared/services/OneSignalEvent.ts
@@ -29,7 +29,7 @@ export default class OneSignalEvent {
   static async trigger(eventName: string, data?: any, emitter?: Emitter) {
     if (!Utils.contains(SILENT_EVENTS, eventName)) {
       const displayData = data;
-      let env = Utils.capitalize(SdkEnvironment.getWindowEnv().toString());
+      const env = Utils.capitalize(SdkEnvironment.getWindowEnv().toString());
 
       if (displayData || displayData === false) {
         Log.debug(`(${env}) » ${eventName}:`, displayData);