Why Netflix Shows Trailers in Your Watch History
Netflix automatically adds trailers and preview clips to your viewing activity when you hover over or play them, even if you do not finish the content. This behavior can skew your recently watched list and recommendations, especially if you browse titles frequently without intending to watch them. Netflix uses this data to refine its algorithm, which influences what appears on your home feed and continues to drive engagement across its library of over 5,500 titles as of the latest public catalog count reported by streaming analysis platforms and company disclosures. The platform treats trailers as part of your watch history because any playback event generates a viewing record that feeds into its recommendation engine, a system that relies on granular interaction data to personalize rows of content for each user profile.
According to Netflix's own help documentation and third-party analyses from digital media outlets, autoplay previews are enabled by default on both web and app interfaces, and there is no separate toggle that excludes trailers from your activity log. The company's design prioritizes reducing friction in content discovery, which means every trailer you start is logged as a partial view. This can affect how often certain titles appear in your continue watching row or in the algorithmically generated rows below your profile's main feed. For users who want a cleaner history, understanding that trailers are treated identically to full episodes or movies is the first step toward managing that data effectively.
Step-by-Step Guide to Remove Trailers from Your Netflix History
To remove trailers you have watched, open Netflix on a web browser, click your profile icon, and select Account from the dropdown menu. On the Account page, scroll to the Profile & Parental Controls section and click the profile you want to edit. Under the Profile view, locate the Viewing Activity option, which displays a list of all titles and trailers you have started. Click the X next to any trailer entry and confirm the removal; the item disappears from your activity feed and stops influencing your recommendations based on that specific preview interaction.
On mobile devices, the process is similar but requires opening the Netflix app, tapping the hamburger menu, and navigating to Account, which opens a browser-based interface identical to the desktop version. From there, you can follow the same steps to delete individual trailer entries from your viewing history. Netflix does not currently offer a bulk delete option that targets only trailers, so users must manually remove each unwanted preview one by one. This limitation is consistent with the platform's approach to activity management, which treats all playback events uniformly regardless of content type.
Prevent Trailers from Appearing in Your History Going Forward
Disable Autoplay Previews on Web
On the Netflix web interface, go to Account, select a profile, and choose Playback Settings. Uncheck the box for Autoplay a preview while browsing on all devices, then click Save. This stops trailers from auto-playing as you hover over titles, which reduces the number of trailers added to your history. Note that this setting does not retroactively remove trailers already logged, so you must still manually delete existing entries using the viewing activity tool.
Adjust Mobile App Settings
On the Netflix mobile app, tap the Home icon, then tap the profile icon and select App Settings. Toggle off Autoplay previews, which prevents trailers from starting automatically on cellular and Wi-Fi connections. This setting applies per profile and syncs with your account-level preferences, helping you maintain a cleaner watch history without needing to delete entries repeatedly. Combining this with periodic manual cleanups ensures your recommendations stay accurate and your recently watched list reflects only the content you intentionally completed.