diff --git a/includes/class-signature.php b/includes/class-signature.php
index d10309f..a25d939 100644
--- a/includes/class-signature.php
+++ b/includes/class-signature.php
@@ -11,11 +11,6 @@ use DateTimeZone;
  */
 class Signature {
 
-	/**
-	 * How much leeway to provide on the date header in seconds.
-	 * Not everybody uses NTP.
-	 */
-
 	const DEFAULT_SIGNING_ALGORITHM = 'sha256';
 
 	/**
@@ -252,7 +247,7 @@ class Signature {
 				}
 			}
 			if ( '(created)' === $header ) {
-				if ( ! \empty( $signature_block['(created)'] ) && \intval( $signature_block['(created)'] ) > \time() ) {
+				if ( ! empty( $signature_block['(created)'] ) && \intval( $signature_block['(created)'] ) > \time() ) {
 					// created in future
 					return false;
 				}
diff --git a/includes/functions.php b/includes/functions.php
index 9df6311..8f2e5d9 100644
--- a/includes/functions.php
+++ b/includes/functions.php
@@ -200,11 +200,6 @@ function get_inbox_by_actor( $actor ) {
  */
 function get_publickey_by_actor( $actor, $key_id ) {
 	$metadata = \Activitypub\get_remote_metadata_by_actor( $actor );
-	
-	//Other Implementations may include an 'operations' query (Zap) 
-	if ( isset( $metadata['publicKey']['id'] ) ) {
-		$metadata['publicKey']['id'] = strtok($metadata['publicKey']['id'], "?");
-	}
 
 	if ( \is_wp_error( $metadata ) ) {
 		return $metadata;