diff --git a/WordPress/Sniffs/Security/EscapeOutputSniff.php b/WordPress/Sniffs/Security/EscapeOutputSniff.php
index 92c1b2ef0..7861940ca 100644
--- a/WordPress/Sniffs/Security/EscapeOutputSniff.php
+++ b/WordPress/Sniffs/Security/EscapeOutputSniff.php
@@ -185,7 +185,6 @@ public function getGroups() {
 	 */
 	public function process_token( $stackPtr ) {
 		$start = ( $stackPtr + 1 );
-		$end   = $start;
 
 		switch ( $this->tokens[ $stackPtr ]['code'] ) {
 			case \T_STRING:
diff --git a/WordPress/Sniffs/WP/I18nSniff.php b/WordPress/Sniffs/WP/I18nSniff.php
index bf9b9936e..33158ed08 100644
--- a/WordPress/Sniffs/WP/I18nSniff.php
+++ b/WordPress/Sniffs/WP/I18nSniff.php
@@ -873,7 +873,7 @@ private function check_for_translator_comment( $stackPtr, $matched_content, $par
 				continue;
 			}
 
-			if ( preg_match( self::SPRINTF_PLACEHOLDER_REGEX, $param_info['clean'], $placeholders ) === 1 ) {
+			if ( preg_match( self::SPRINTF_PLACEHOLDER_REGEX, $param_info['clean'] ) === 1 ) {
 				$needs_translators_comment = true;
 				break;
 			}
@@ -969,7 +969,7 @@ private function check_for_translator_comment( $stackPtr, $matched_content, $par
 	 * @return bool
 	 */
 	private function is_translators_comment( $content ) {
-		if ( preg_match( '`^(?:(?://|/\*{1,2}) )?translators:`i', $content, $matches ) === 1 ) {
+		if ( preg_match( '`^(?:(?://|/\*{1,2}) )?translators:`i', $content ) === 1 ) {
 			return true;
 		}
 		return false;
diff --git a/WordPress/Sniffs/WhiteSpace/ControlStructureSpacingSniff.php b/WordPress/Sniffs/WhiteSpace/ControlStructureSpacingSniff.php
index 995216a56..f9b5038b7 100644
--- a/WordPress/Sniffs/WhiteSpace/ControlStructureSpacingSniff.php
+++ b/WordPress/Sniffs/WhiteSpace/ControlStructureSpacingSniff.php
@@ -410,7 +410,7 @@ public function process_token( $stackPtr ) {
 
 			// Move past end comments.
 			if ( $this->tokens[ $trailingContent ]['line'] === $this->tokens[ $scopeCloser ]['line'] ) {
-				if ( preg_match( '`^//[ ]?end`i', $this->tokens[ $trailingContent ]['content'], $matches ) > 0 ) {
+				if ( preg_match( '`^//[ ]?end`i', $this->tokens[ $trailingContent ]['content'] ) > 0 ) {
 					$scopeCloser     = $trailingContent;
 					$trailingContent = $this->phpcsFile->findNext( \T_WHITESPACE, ( $trailingContent + 1 ), null, true );
 				}