diff --git a/hardware-and-software-requirements.md b/hardware-and-software-requirements.md
index 4e16d984cb354..6e0412ae75f3d 100644
--- a/hardware-and-software-requirements.md
+++ b/hardware-and-software-requirements.md
@@ -30,10 +30,6 @@ As an open-source distributed SQL database with high performance, TiDB can be de
     <td>Red Hat Enterprise Linux 8.4 or a later 8.x version</td>
     <td><ul><li>x86_64</li><li>ARM 64</li></ul></td>
   </tr>
-  <tr>
-    <td>Red Hat Enterprise Linux 7.3 or a later 7.x version</td>
-    <td><ul><li>x86_64</li><li>ARM 64</li></ul></td>
-  </tr>
   <tr>
     <td>Amazon Linux 2</td>
     <td><ul><li>x86_64</li><li>ARM 64</li></ul></td>