diff --git a/launcher/net/HttpMetaCache.h b/launcher/net/HttpMetaCache.h
index 5db41259f..144012ae5 100644
--- a/launcher/net/HttpMetaCache.h
+++ b/launcher/net/HttpMetaCache.h
@@ -113,7 +113,7 @@ class HttpMetaCache : public QObject {
 
     // evict selected entry from cache
     auto evictEntry(MetaEntryPtr entry) -> bool;
-    auto evictAll() -> bool;
+    bool evictAll();
 
     void addBase(QString base, QString base_root);