diff --git a/.mvn/maven.config b/.mvn/maven.config
deleted file mode 100644
index d023e5351..000000000
--- a/.mvn/maven.config
+++ /dev/null
@@ -1 +0,0 @@
--s settings.xml
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index 091901ba9..3bd2b88fe 100644
--- a/pom.xml
+++ b/pom.xml
@@ -96,18 +96,6 @@
             <id>mikeprimm-repo</id>
             <url>https://repo.mikeprimm.com/</url>
         </repository>
-        <repository>
-            <id>github</id>
-            <name>GitHub jaoafa Apache Maven Packages</name>
-            <url>https://maven.pkg.github.com/jaoafa/jao-Super-Achievement2</url>
-            <!-- read:packages のみを許可した jaotan の Personal access token を使っています -->
-            <releases>
-                <enabled>true</enabled>
-            </releases>
-            <snapshots>
-                <enabled>true</enabled>
-            </snapshots>
-        </repository>
         <repository>
             <id>tomacheese-repo</id>
             <url>https://repo.tomacheese.com</url>
@@ -171,7 +159,7 @@
         <dependency>
             <groupId>com.jaoafa</groupId>
             <artifactId>jaosuperachievement2</artifactId>
-            <version>b15b017</version>
+            <version>2.3.0</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
diff --git a/settings.xml b/settings.xml
deleted file mode 100644
index cd81482f9..000000000
--- a/settings.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<settings xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/SETTINGS/1.0.0"
-          xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd">
-    <servers>
-        <server>
-            <id>github</id>
-            <username>jaotan</username>
-            <password>&#56;&#101;&#102;&#57;&#98;&#50;&#101;&#102;&#57;&#56;&#97;&#98;&#48;&#100;&#49;&#48;&#51;&#53;&#49;&#55;&#100;&#52;&#99;&#52;&#48;&#51;&#53;&#101;&#102;&#49;&#99;&#99;&#97;&#53;&#55;&#57;&#53;&#49;&#50;&#55;</password>
-        </server>
-    </servers>
-</settings>
\ No newline at end of file