diff --git a/launcher/InstanceList.cpp b/launcher/InstanceList.cpp
index d31e285be..e65bc9c3f 100644
--- a/launcher/InstanceList.cpp
+++ b/launcher/InstanceList.cpp
@@ -463,7 +463,7 @@ QList<InstanceId> InstanceList::discoverInstances()
     return out;
 }
 
-InstanceList::InstListError InstanceList::loadList()
+void InstanceList::loadList()
 {
     auto existingIds = getIdMapping(m_instances);
 
@@ -523,7 +523,6 @@ InstanceList::InstListError InstanceList::loadList()
     }
     m_dirty = false;
     updateTotalPlayTime();
-    return NoError;
 }
 
 void InstanceList::updateTotalPlayTime()
diff --git a/launcher/InstanceList.h b/launcher/InstanceList.h
index 154f9cfbb..142a348b9 100644
--- a/launcher/InstanceList.h
+++ b/launcher/InstanceList.h
@@ -32,10 +32,6 @@ using InstanceId = QString;
 using GroupId = QString;
 using InstanceLocator = std::pair<InstancePtr, int>;
 
-enum class InstCreateError { NoCreateError = 0, NoSuchVersion, UnknownCreateError, InstExists, CantCreateDir };
-
-enum class GroupsState { NotLoaded, Steady, Dirty };
-
 struct TrashHistoryItem {
     QString id;
     QString polyPath;
@@ -71,18 +67,12 @@ class InstanceList : public QAbstractTableModel {
     };
 
     enum AdditionalRoles { SortRole = Qt::UserRole + 1, GroupRole, InstanceIDRole };
-    /*!
-     * \brief Error codes returned by functions in the InstanceList class.
-     * NoError Indicates that no error occurred.
-     * UnknownError indicates that an unspecified error occurred.
-     */
-    enum InstListError { NoError = 0, UnknownError };
 
     InstancePtr at(int i) const { return m_instances.at(i); }
 
     int count() const { return m_instances.count(); }
 
-    InstListError loadList();
+    void loadList();
     void saveNow();
 
     /* O(n) */