Unfortunately, There is currently no method that allows you to delete a single message on Google Hangouts.
While it can be frustrating, deleting the entire conversation can be a useful trick to get around the problem. You can do this from the Google Hangouts app or website.
Steps
Method 1 of 2: Delete a Conversation from the Mobile Application
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Step 1. Click on the Google Hangouts icon
It features a green dialogue bubble with white quotation marks inside.
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Step 2. Touch and hold the conversation you want to delete
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Step 3. Press the ⁝ button
It is located at the top right of the screen. Instead of this button, you may see an icon with three vertical dots.
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Step 4. Select Options
If this option doesn't appear, read the next step.
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Step 5. Select Delete conversation
This option is found at the bottom of the menu.
- A confirmation message will appear. Click on "Delete" to delete the conversation.
- The conversation will disappear from all your devices, but will continue to be accessible to other users who have participated in the chat.
Method 2 of 2: Delete a Conversation via Computer
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Step 1. Open a browser
You can use for example Safari, Chrome, Opera or Firefox.
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Step 2. Visit
This will open all Hangouts conversations.
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Step 3. Click on the chat you want to delete
The conversation will open in the browser window.
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Step 4. Click on
This will open a list of available chat options, including turning notifications on and off, archiving or deleting the conversation, and blocking another participant.
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Step 5. Click Delete Conversation
The chat will disappear and a confirmation message will appear.