diff --git a/SpigotCore_Main/src/de/steamwar/command/SWCommand.java b/SpigotCore_Main/src/de/steamwar/command/SWCommand.java
index 5c31b83..d871838 100644
--- a/SpigotCore_Main/src/de/steamwar/command/SWCommand.java
+++ b/SpigotCore_Main/src/de/steamwar/command/SWCommand.java
@@ -22,6 +22,10 @@ package de.steamwar.command;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandSender;
 
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.lang.reflect.Method;
 import java.lang.reflect.Parameter;
 import java.util.*;
@@ -57,14 +61,9 @@ public abstract class SWCommand {
                 return strings;
             }
         });
-    }
 
-    protected final void register(String methodName) {
-        if (methodName.equals("onCommand")) return;
-        if (methodName.equals("onTabComplete")) return;
-        Method[] methods = this.getClass().getDeclaredMethods();
-        for (Method method : methods) {
-            if (!validMethod(method)) continue;
+        for (Method method : getClass().getDeclaredMethods()) {
+            if (method.getDeclaredAnnotation(Register.class) == null || !validMethod(method)) continue;
             if (method.getReturnType() == Void.TYPE) {
                 commandSet.add(new InternalCommand(this, method));
             }
@@ -101,4 +100,15 @@ public abstract class SWCommand {
         helpMessage.accept(sender);
     }
 
+    @Retention(RetentionPolicy.RUNTIME)
+    @Target({ElementType.METHOD})
+    protected @interface Register {
+    }
+
+    @Retention(RetentionPolicy.RUNTIME)
+    @Target({ElementType.PARAMETER})
+    @interface StringConstraint {
+        String constraint();
+    }
+
 }
diff --git a/SpigotCore_Main/src/de/steamwar/command/SWCommandUtils.java b/SpigotCore_Main/src/de/steamwar/command/SWCommandUtils.java
index c225205..6434dc8 100644
--- a/SpigotCore_Main/src/de/steamwar/command/SWCommandUtils.java
+++ b/SpigotCore_Main/src/de/steamwar/command/SWCommandUtils.java
@@ -91,7 +91,7 @@ class SWCommandUtils {
             Parameter parameter = parameters[i];
             Class<?> clazz = parameters[i].getType();
             arguments[i] = mapper(clazz).apply(args[i - 1]);
-            StringConstraint stringConstraint = parameter.getAnnotation(StringConstraint.class);
+            SWCommand.StringConstraint stringConstraint = parameter.getAnnotation(SWCommand.StringConstraint.class);
             if (stringConstraint != null && !Objects.equals(arguments[i], stringConstraint.constraint())) {
                 throw new SecurityException();
             }
diff --git a/SpigotCore_Main/src/de/steamwar/command/StringConstraint.java b/SpigotCore_Main/src/de/steamwar/command/StringConstraint.java
deleted file mode 100644
index 368ad18..0000000
--- a/SpigotCore_Main/src/de/steamwar/command/StringConstraint.java
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * This file is a part of the SteamWar software.
- *
- * Copyright (C) 2020  SteamWar.de-Serverteam
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package de.steamwar.command;
-
-import java.lang.annotation.ElementType;
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-import java.lang.annotation.Target;
-
-@Retention(RetentionPolicy.RUNTIME)
-@Target({ElementType.PARAMETER})
-public @interface StringConstraint {
-    String constraint();
-}