How to delete Google history on phone

From Google account: Data & personalization > Activity and timeline > My Activity. Tap three vertical dots > Delete activity by.
Chrome on PC: Tap three vertical dots > History > History > Clear browsing data.
Chrome on Android and iOS: Tap three vertical dots > History > Clear browsing data. On the Google app: More > Search activity.

Follow these instructions to learn how to delete your Google history from your Google account, from the Google Chrome web browser, from the Google iOS or Android app, or from the Google app.

Clearing your Google search history doesn't mean Google deletes your search data. Google still keeps records about how and when you use certain features, even when you delete the details of your activity.

If you regularly use Google Search while signed in to your Google Account, such as on a personal laptop or desktop computer, it's easy to delete your search history.

Visit myaccount.google.com in a web or mobile browser, and sign in to your Google account if you're not signed in.
Select the Data & personalization category on the left, then scroll down to Activity and timeline. Select My Activity (enter your password or two-factor authentication if you have the extra verification setting turned on).
To clear all your Google search history, select the three vertical dots at the top of the screen to the right of the search field, then select Delete activity by.
Select All Time in the Delete Activity box.
Choose which services to delete activity from, or Select All to select all categories. Select Next.
In the confirmation box, select Delete to delete your Google activity permanently.

To delete individual Google search activity items, scroll through your My Activity page (or use the search function) to find the search item you want to delete. Then, select the three vertical dots in the upper-right corner of the item, and select Delete.

If Google Chrome is your main web browser, you can clear your Google Search history from within the browser.

Open the Chrome web browser on a desktop or laptop computer.
Select the three vertical dots in the upper-right corner of the browser.
Select History from the drop-down menu, then select History from the submenu.
To clear all your search history between a specific time and the present, select Clear browsing data on the left side of the screen.

To clear individual search items, go back to the History tab and scroll through your search items, or use the Search history field at the top to find the item you want to clear.
On the following tab, select the Time range drop-down menu and choose All time to clear your history. Optionally, clear the check boxes next to the items you want to keep.
Select Clear data.
Select the three vertical dots to the right of an item you want to clear, then choose Remove from history.

If you mainly use Google Chrome from your Android, you can clear your search history from within the browser.

Open the Chrome web browser app on your Android device.
Tap the three vertical dots in the upper-right corner, then tap History.
If you want to clear your entire search history, tap Clear browsing data. Alternatively, if you want to clear individual search items from your history, scroll down to find the item, or tap the magnifying glass to search for an item, and then tap the X to the right of the individual item to clear it.
If you're clearing the entire history, tap the Time range drop-down arrow and select All time. Optionally, clear the check boxes next to the items listed below if you prefer not to clear them.
Tap Clear data in the lower-right corner.

If you use Google Chrome on an iPhone or iPad, you can clear your search history from within the browser.

Open the Chrome web browser app on your iPhone or iPad.
Tap the three horizontal dots in the bottom menu.
Tap History in the submenu.
To clear all of your search history, tap Clear Browsing Data at the bottom.
On the following tab, choose a time range from the menu. To remove all of your history, leave it at All Time.
Make sure Browsing History is checked. If it's not, tap it to add a check mark. Optionally, tap to check or uncheck any of the items below.
Tap Clear Browsing Data and then tap it a second time to confirm you want to clear the data.

Sometimes there are items in your history that you want to keep for a while or specific items you want to remove. To clear individual search items, follow these steps:

On the History tab, tap Edit in the lower-right corner.
Scroll down or search for an item you want to clear, then tap the circle beside it to add a check mark.
Tap Delete in the lower-left corner.
Tap Done in the upper-right corner.

If you use the official Android Google app for all your searches, clear your search history from the app by going to More > Search activity and then using the steps listed above to delete your activity.

You can use Google's auto-delete controls to clear your search history, along with web and app activity, using a web browser or the Google mobile app. Here's how.

From a web browser, go to the Web & App Activity page.
Select Auto-Delete.
Choose the Auto-delete activity older than option and pick a time frame from the drop-down menu. You can choose to delete activity older than three months, 18 months, and 36 months.
Select Next.
Select Confirm to save your changes.