diff --git a/src/applications/transactions/editor/PhabricatorApplicationTransactionEditor.php b/src/applications/transactions/editor/PhabricatorApplicationTransactionEditor.php
--- a/src/applications/transactions/editor/PhabricatorApplicationTransactionEditor.php
+++ b/src/applications/transactions/editor/PhabricatorApplicationTransactionEditor.php
@@ -3299,7 +3299,10 @@
 
 
   /**
-   * When a user interacts with an object, we might want to add them to CC.
+   * Adds the actor as a subscriber to the object with which they interact
+   * @param PhabricatorLiskDAO $object on which the action is performed
+   * @param array $xactions Transactions to apply
+   * @return array Transactions to apply
    */
   final public function applyImplicitCC(
     PhabricatorLiskDAO $object,
@@ -3381,11 +3384,18 @@
     return $xactions;
   }
 
+  /**
+   * Whether the action implies the actor should be subscribed on the object
+   * @param PhabricatorLiskDAO $object on which the action is performed
+   * @param PhabricatorApplicationTransaction $xaction Transaction to apply
+   * @return bool True if the actor should be subscribed on the object
+   */
   protected function shouldImplyCC(
     PhabricatorLiskDAO $object,
     PhabricatorApplicationTransaction $xaction) {
 
-    return $xaction->isCommentTransaction();
+    return ($xaction->isCommentTransaction() &&
+      !($xaction->getComment()->getIsRemoved()));
   }
 
 
diff --git a/src/applications/transactions/storage/PhabricatorApplicationTransaction.php b/src/applications/transactions/storage/PhabricatorApplicationTransaction.php
--- a/src/applications/transactions/storage/PhabricatorApplicationTransaction.php
+++ b/src/applications/transactions/storage/PhabricatorApplicationTransaction.php
@@ -1580,6 +1580,10 @@
     return 100;
   }
 
+  /**
+   * Whether the transaction concerns a comment (e.g. add, edit, remove)
+   * @return bool True if the transaction concerns a comment
+   */
   public function isCommentTransaction() {
     if ($this->hasComment()) {
       return true;
diff --git a/src/applications/transactions/storage/PhabricatorApplicationTransactionComment.php b/src/applications/transactions/storage/PhabricatorApplicationTransactionComment.php
--- a/src/applications/transactions/storage/PhabricatorApplicationTransactionComment.php
+++ b/src/applications/transactions/storage/PhabricatorApplicationTransactionComment.php
@@ -74,6 +74,10 @@
     return PhabricatorContentSource::newFromSerialized($this->contentSource);
   }
 
+  /**
+   * Whether the transaction removes the comment
+   * @return bool True if the transaction removes the comment
+   */
   public function getIsRemoved() {
     return ($this->getIsDeleted() == 2);
   }