diff --git a/.phan/config.php b/.phan/config.php
index 4454ebc93..47c878423 100644
--- a/.phan/config.php
+++ b/.phan/config.php
@@ -20,4 +20,28 @@ $cfg['exclude_analysis_directory_list'] = array_merge(
 	]
 );
 
+/**
+ * Quick implementation of a recursive directory list.
+ * @param string $dir The directory to list
+ * @param ?array &$result Where to put the result
+ */
+function wfCollectPhpFiles( string $dir, ?array &$result = [] ) {
+	if ( !is_dir( $dir ) ) {
+		return;
+	}
+	foreach ( scandir( $dir ) as $f ) {
+		if ( $f === '.' || $f === '..' ) {
+			continue;
+		}
+		$fullName = $dir . DIRECTORY_SEPARATOR . $f;
+		wfCollectPhpFiles( $fullName, $result );
+		if ( is_file( $fullName ) && preg_match( '/\.php$/D', $fullName ) ) {
+			$result[] = $fullName;
+		}
+	}
+}
+
+// Exclude Parsoid's src/DOM in favour of .phan/stubs/DomImpl.php
+wfCollectPhpFiles( "${VP}/vendor/wikimedia/parsoid/src/DOM", $cfg['exclude_file_list'] );
+
 return $cfg;