diff --git a/docs/development/development-environment-osx/README.md b/docs/development/development-environment-osx/README.md
index 72ad1d2ab67..84d76cfd1c2 100644
--- a/docs/development/development-environment-osx/README.md
+++ b/docs/development/development-environment-osx/README.md
@@ -242,6 +242,12 @@ RAILS_ENV=development bin/rails jobs:work
 
 This will start a Delayed::Job worker to perform asynchronous jobs like sending emails.
 
+**Note:** If you haven't run this command for a while, chances are that a lot of background jobs have queued up and might cause a significant amount of open tabs (due to the way we deliver mails with the letter_opener gem). To get rid of the jobs before starting the worker, use the following command. **This will remove all currently scheduled jobs, never use this in a production setting.**
+
+```bash
+RAILS_ENV=development bin/rails runner "Delayed::Job.delete_all"
+```
+
 
 ## Start Coding
 
diff --git a/docs/development/development-environment-ubuntu/README.md b/docs/development/development-environment-ubuntu/README.md
index 57bfc52a91e..28ef9c3a4e7 100644
--- a/docs/development/development-environment-ubuntu/README.md
+++ b/docs/development/development-environment-ubuntu/README.md
@@ -293,6 +293,12 @@ RAILS_ENV=development bin/rails jobs:work
 
 This will start a Delayed::Job worker to perform asynchronous jobs like sending emails.
 
+**Note:** If you haven't run this command for a while, chances are that a lot of background jobs have queued up and might cause a significant amount of open tabs (due to the way we deliver mails with the letter_opener gem). To get rid of the jobs before starting the worker, use the following command. **This will remove all currently scheduled jobs, never use this in a production setting.**
+
+```bash
+RAILS_ENV=development bin/rails runner "Delayed::Job.delete_all"
+```
+
 
 ## Start Coding