diff --git a/src/add-ons/kernel/file_cache/rule_based_prefetcher.cpp b/src/add-ons/kernel/file_cache/rule_based_prefetcher.cpp
index 4d8efae67c..064874fb58 100644
--- a/src/add-ons/kernel/file_cache/rule_based_prefetcher.cpp
+++ b/src/add-ons/kernel/file_cache/rule_based_prefetcher.cpp
@@ -720,7 +720,7 @@ uninit()
 	// free all sessions from the hashes
 
 	team_rules *teamRules = sTeamHash->Clear(true);
-	while ((teamRules != NULL) {
+	while (teamRules != NULL) {
 		team_rules *next = teamRules->next;
 		delete teamRules;
 		teamRules = next;