Answers.Body: <p>You can update the campaign for the mailing id <strong>123</strong> via one of the below method</p>
  <ol>
  <li>Run SQL code</li>
  </ol>
  <p>code:</p>
  <pre><code>UPDATE civicrm_mailing SET campaign_id = NULL WHERE id=123;
  </code></pre>
  <ol start="2">
  <li>API 3 explorer - Navigate to CiviCRM &gt;&gt; Support &gt;&gt; Developer &gt;&gt; API Explorer v3</li>
  </ol>
  <p><a href="https://i.sstatic.net/7N0MF.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/7N0MF.png" alt="enter image description here" /></a></p>
  <ol start="3">
  <li>API 4 explorer - Navigate to CiviCRM &gt;&gt; Support &gt;&gt; Developer &gt;&gt; API Explorer v4
  <a href="https://i.sstatic.net/ELdPv.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/ELdPv.png" alt="enter image description here" /></a></li>
  </ol>
  
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2022-10-24T16:28:27.603Z
Answers.LastActivityDate: 2022-10-24T16:28:27.603Z
Answers.UserDisplayName: Pradeep Nayak
Body: <p>this may seem like a silly question, but I copied a previous mailing and it copied the campaign from that mailing.  Now I can't figure out how to remove that campaign from my new mailing?</p>
  
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2022-10-24T18:25:29.167Z
Comments.Text: This won't help you now, but assuming you mean changing the campaign of a sent mailing, I've made changing campaign and name for a sent mailing possible in the UI recently, but it won't be available until 5.56:
  https://github.com/civicrm/civicrm-core/pull/24698
Comments.UserDisplayName: Lars SG
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2022-10-24T18:28:26.850Z
Comments.Text: @LarsSG Thanks, but I meant removing a campaign completely from an unsent mailing.  It seems once you save a campaign you can't remove it.  The solution from pradeep nayak below worked for me!
Comments.UserDisplayName: erin
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2022-10-24T18:39:30.683Z
Comments.Text: Oh, you're right! That's silly, definitely broken. You should log an issue on Gitlab.
Comments.UserDisplayName: Lars SG
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2022-10-24T18:46:59.907Z
Comments.Text: Are you using Mosaico and Shoreditch? Seems to be a specific problem with the workflow specific to those two.
Comments.UserDisplayName: Lars SG
Tags: <civimail><civicampaign>
Title: Remove campaign from mailing
ThreadText: # Remove campaign from mailing
  
  (Asked by: username_0 on 2022-10-24)
  
  this may seem like a silly question, but I copied a previous mailing and it copied the campaign from that mailing. Now I can't figure out how to remove that campaign from my new mailing?
  
  **Tags:** civimail, civicampaign
  
  > **Comments:**
  > **username_1**: This won't help you now, but assuming you mean changing the campaign of a sent mailing, I've made changing campaign and name for a sent mailing possible in the UI recently, but it won't be available until 5.56: https://github.com/civicrm/civicrm-core/pull/24698  
  > **username_0**: @username_1 Thanks, but I meant removing a campaign completely from an unsent mailing.  It seems once you save a campaign you can't remove it.  The solution from username_2 username_2 below worked for me!  
  > **username_1**: Oh, you're right! That's silly, definitely broken. You should log an issue on Gitlab.  
  > **username_1**: Are you using Mosaico and Shoreditch? Seems to be a specific problem with the workflow specific to those two.  
  
  ---
  
  ## 1 answers
  
  ### Answer by username_2 on 2022-10-24. Score: 0 | Accepted answer
  
  You can update the campaign for the mailing id **123** via one of the below method
  
  1. Run SQL code
  
  code:
  
  ```
  UPDATE civicrm_mailing SET campaign_id = NULL WHERE id=123;
  
  ```
  
  2. API 3 explorer - Navigate to CiviCRM >> Support >> Developer >> API Explorer v3
  
  [![enter image description here](https://i.sstatic.net/7N0MF.png)](https://i.sstatic.net/7N0MF.png)
  
  3. API 4 explorer - Navigate to CiviCRM >> Support >> Developer >> API Explorer v4
     [![enter image description here](https://i.sstatic.net/ELdPv.png)](https://i.sstatic.net/ELdPv.png)
  
  
  ---
  
  