diff --git a/libcockatrice_card/libcockatrice/card/database/card_database.h b/libcockatrice_card/libcockatrice/card/database/card_database.h
index 337e4b158..b10e3c726 100644
--- a/libcockatrice_card/libcockatrice/card/database/card_database.h
+++ b/libcockatrice_card/libcockatrice/card/database/card_database.h
@@ -54,18 +54,6 @@ protected:
     /** @brief Querier for higher-level card lookups. */
     CardDatabaseQuerier *querier;
 
-public:
-    /**
-     * @brief Check for sets that are unknown and emit signals if needed.
-     *
-     * Called from MainWindow::startupConfigCheck() after signal connections are
-     * live (the front-loaded parse in main() runs before MainWindow exists, so
-     * signals emitted there would have no receivers).  May also be called by
-     * the loader via the friend declaration.  Has side effects: enables all
-     * sets when none are enabled (first-run), marks all sets as known.
-     */
-    void checkUnknownSets();
-
 private:
     /**
      * @brief Refreshes the cached reverse-related cards for all cards.
@@ -150,6 +138,17 @@ public:
      */
     void notifyEnabledSetsChanged(bool recomputeCachedSets = true);
 
+    /**
+     * @brief Check for sets that are unknown and emit signals if needed.
+     *
+     * Called from MainWindow::startupConfigCheck() after signal connections are
+     * live (the front-loaded parse in main() runs before MainWindow exists, so
+     * signals emitted there would have no receivers).  May also be called by
+     * the loader via the friend declaration.  Has side effects: enables all
+     * sets when none are enabled (first-run), marks all sets as known.
+     */
+    void checkUnknownSets();
+
     ICardSetPriorityController *getPriorityController()
     {
         return setPriorityController;
diff --git a/libcockatrice_card/libcockatrice/card/database/card_database_cache.h b/libcockatrice_card/libcockatrice/card/database/card_database_cache.h
index a745d9e3d..40ff96541 100644
--- a/libcockatrice_card/libcockatrice/card/database/card_database_cache.h
+++ b/libcockatrice_card/libcockatrice/card/database/card_database_cache.h
@@ -6,30 +6,29 @@
 #include <QByteArray>
 #include <libcockatrice/interfaces/interface_card_set_priority_controller.h>
 
-class CardDatabaseCache
+namespace CardDatabaseCache
 {
-public:
-    /**
-     * @brief Writes a fully-built database snapshot to a binary cache file.
-     * @param cachePath Path of the cache file to write.
-     * @param data The snapshot to serialize.
-     * @param sourceHash Hash of the source XML used to validate the cache later.
-     * @return True if the cache was written successfully.
-     */
-    static bool write(const QString &cachePath, const CardDatabaseData &data, const QByteArray &sourceHash);
+/**
+ * @brief Writes a fully-built database snapshot to a binary cache file.
+ * @param cachePath Path of the cache file to write.
+ * @param data The snapshot to serialize.
+ * @param sourceHash Hash of the source XML used to validate the cache later.
+ * @return True if the cache was written successfully.
+ */
+bool write(const QString &cachePath, const CardDatabaseData &data, const QByteArray &sourceHash);
 
-    /**
-     * @brief Reads a database snapshot from a binary cache file.
-     * @param cachePath Path of the cache file to read.
-     * @param data Snapshot to populate.
-     * @param sourceHash Expected hash of the source XML; read fails if it differs.
-     * @param priorityController Controller used to reconstruct CardSet state.
-     * @return True if a valid, up-to-date cache was read.
-     */
-    static bool read(const QString &cachePath,
-                     CardDatabaseData &data,
-                     const QByteArray &sourceHash,
-                     ICardSetPriorityController *priorityController);
-};
+/**
+ * @brief Reads a database snapshot from a binary cache file.
+ * @param cachePath Path of the cache file to read.
+ * @param data Snapshot to populate.
+ * @param sourceHash Expected hash of the source XML; read fails if it differs.
+ * @param priorityController Controller used to reconstruct CardSet state.
+ * @return True if a valid, up-to-date cache was read.
+ */
+bool read(const QString &cachePath,
+          CardDatabaseData &data,
+          const QByteArray &sourceHash,
+          ICardSetPriorityController *priorityController);
+} // namespace CardDatabaseCache
 
 #endif // CARDDATABASE_CACHE_H