diff --git a/lib/index.js b/lib/index.js
index c7410c4d..81575767 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -9554,8 +9554,8 @@ async function run() {
         const reactions = core.getInput('reactions');
         const mode = core.getInput('mode');
         const create_if_not_exists = core.getInput('create_if_not_exists') === 'true';
-        if (!message && !filePath) {
-            core.setFailed('Either "filePath" or "message" should be provided as input');
+        if (!message && !filePath && mode !== 'only-delete') {
+            core.setFailed('Either "filePath" or "message" should be provided as input unless running as "only-delete".');
             return;
         }
         let content = message;
@@ -9651,14 +9651,25 @@ async function run() {
                     });
                     return;
                 }
+                else if (mode === 'only-delete') {
+                    await deleteComment({
+                        ...context.repo,
+                        comment_id: comment.id,
+                    });
+                    return;
+                }
                 else if (mode === 'delete') {
                     core.debug('Registering this comment to be deleted.');
                 }
                 else {
-                    core.setFailed(`Mode ${mode} is unknown. Please use 'upsert', 'recreate' or 'delete'.`);
+                    core.setFailed(`Mode ${mode} is unknown. Please use 'upsert', 'recreate', 'delete', or 'only-delete'.`);
                     return;
                 }
             }
+            else if (mode === 'only-delete') {
+                core.info('No comment has been found with asked pattern. Nothing to delete.');
+                return;
+            }
             else if (create_if_not_exists) {
                 core.info('No comment has been found with asked pattern. Creating a new comment.');
             }