diff --git a/src/middleware/userCounter.ts b/src/middleware/userCounter.ts
index dff3ab5..eda60a3 100644
--- a/src/middleware/userCounter.ts
+++ b/src/middleware/userCounter.ts
@@ -14,7 +14,7 @@ export function userCounter(req: Request, res: Response, next: NextFunction): vo
                 method: "post",
                 url: `${config.userCounterURL}/api/v1/addIP?hashedIP=${getIP(req)}`,
                 httpAgent
-            }).catch(() => Logger.debug(`Failing to connect to user counter at: ${config.userCounterURL}`));
+            }).catch(() => /* instanbul skip next */ Logger.debug(`Failing to connect to user counter at: ${config.userCounterURL}`));
         }
     }
 
diff --git a/src/routes/getSkipSegmentsByHash.ts b/src/routes/getSkipSegmentsByHash.ts
index eaf7f97..d5b89bd 100644
--- a/src/routes/getSkipSegmentsByHash.ts
+++ b/src/routes/getSkipSegmentsByHash.ts
@@ -25,13 +25,13 @@ export async function getSkipSegmentsByHash(req: Request, res: Response): Promis
     try {
         await getEtag("skipSegmentsHash", hashPrefix, service)
             .then(etag => res.set("ETag", etag))
-            .catch(() => null);
+            .catch(/* istanbul ignore next */ () => null);
         const output = Object.entries(segments).map(([videoID, data]) => ({
             videoID,
             segments: data.segments,
         }));
         return res.status(output.length === 0 ? 404 : 200).json(output);
-    } catch(e) {
+    } catch (e) /* istanbul ignore next */ {
         Logger.error(`skip segments by hash error: ${e}`);
 
         return res.status(500).send("Internal server error");
diff --git a/src/utils/createMemoryCache.ts b/src/utils/createMemoryCache.ts
index 9ec2d57..ded7c0b 100644
--- a/src/utils/createMemoryCache.ts
+++ b/src/utils/createMemoryCache.ts
@@ -1,4 +1,5 @@
 export function createMemoryCache(memoryFn: (...args: any[]) => void, cacheTimeMs: number): any {
+    /* istanbul ignore if */
     if (isNaN(cacheTimeMs)) cacheTimeMs = 0;
 
     // holds the promise results
diff --git a/src/utils/isUserTempVIP.ts b/src/utils/isUserTempVIP.ts
index 44bc649..3afeff1 100644
--- a/src/utils/isUserTempVIP.ts
+++ b/src/utils/isUserTempVIP.ts
@@ -11,7 +11,7 @@ export const isUserTempVIP = async (hashedUserID: HashedUserID, videoID: VideoID
     try {
         const reply = await redis.get(tempVIPKey(hashedUserID));
         return reply && reply == channelID;
-    } catch (e) {
+    } catch (e) /* istanbul ignore next */ {
         Logger.error(e as string);
         return false;
     }
diff --git a/src/utils/logger.ts b/src/utils/logger.ts
index 8507a46..a637c66 100644
--- a/src/utils/logger.ts
+++ b/src/utils/logger.ts
@@ -45,6 +45,7 @@ class Logger {
     };
 
     constructor() {
+        /* istanbul ignore if */
         if (config.mode === "development") {
             this._settings.INFO = true;
             this._settings.DEBUG = true;
@@ -73,9 +74,11 @@ class Logger {
 
         let color = colors.Bright;
         if (level === LogLevel.ERROR) color = colors.FgRed;
+        /* istanbul ignore if */
         if (level === LogLevel.WARN) color = colors.FgYellow;
 
         let levelStr = level.toString();
+        /* istanbul ignore if */
         if (levelStr.length === 4) {
             levelStr += " ";  // ensure logs are aligned
         }
diff --git a/src/utils/redis.ts b/src/utils/redis.ts
index f8be2c7..8ee2a1b 100644
--- a/src/utils/redis.ts
+++ b/src/utils/redis.ts
@@ -135,17 +135,21 @@ if (config.redis?.enabled) {
             .then((reply) => resolve(reply))
             .catch((err) => reject(err))
     );
+    /* istanbul ignore next */
     client.on("error", function(error) {
         lastClientFail = Date.now();
         Logger.error(`Redis Error: ${error}`);
     });
+    /* istanbul ignore next */
     client.on("reconnect", () => {
         Logger.info("Redis: trying to reconnect");
     });
+    /* istanbul ignore next */
     readClient?.on("error", function(error) {
         lastReadFail = Date.now();
         Logger.error(`Redis Read-Only Error: ${error}`);
     });
+    /* istanbul ignore next */
     readClient?.on("reconnect", () => {
         Logger.info("Redis Read-Only: trying to reconnect");
     });