diff --git a/src/main/java/org/nwapw/abacus/plugin/PluginManager.java b/src/main/java/org/nwapw/abacus/plugin/PluginManager.java
index e40b481..9ec48b4 100644
--- a/src/main/java/org/nwapw/abacus/plugin/PluginManager.java
+++ b/src/main/java/org/nwapw/abacus/plugin/PluginManager.java
@@ -209,6 +209,9 @@ public class PluginManager {
             if (disabledPlugins.contains(plugin.getClass().getName())) continue;
             plugin.disable();
         }
+        registeredFunctions.clear();
+        registeredOperators.clear();
+        registeredNumberImplementations.clear();
         cachedInterfaceImplementations.clear();
         cachedPi.clear();
         listeners.forEach(e -> e.onUnload(this));