diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index efda47c7..7bb276eb 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -25,7 +25,6 @@
             <option value="$PROJECT_DIR$/model" />
             <option value="$PROJECT_DIR$/processor" />
             <option value="$PROJECT_DIR$/shared" />
-            <option value="$PROJECT_DIR$/shared/icon" />
             <option value="$PROJECT_DIR$/shared/ui" />
             <option value="$PROJECT_DIR$/source" />
             <option value="$PROJECT_DIR$/utils" />
diff --git a/PULL_REQUEST_TEMPLATE.md b/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 00000000..2335a652
--- /dev/null
+++ b/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,18 @@
+# 概要
+<!-- PRの概要 -->
+
+# 関連Issue
+- #000 <!-- 関連するIssueを指定(なければ省略可) -->
+
+# 詳細
+<!-- 詳細 -->
+
+# 影響箇所
+<!-- 予想される影響箇所 -->
+
+# チェック
+<!-- 参考用, 全てにチェックがついている必要があるわけではありません -->
+- [ ] 機能として完成している
+  - [ ] WIP(Work in progress: 作業中)
+- [ ] 正常にビルド/起動ができる
+- [ ] 既存の機能を壊していない
diff --git a/app/build.gradle b/app/build.gradle
index 4db4c74d..e6cbc668 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -83,8 +83,6 @@ dependencies {
 
     implementation project(':shared:ui')
 
-    implementation project(':shared:icon')
-
     // Hilt (DI)
     implementation libs.com.google.dagger.hilt.android
     annotationProcessor libs.com.google.dagger.hilt.compiler
diff --git a/data/src/main/java/one/nem/lacerta/data/impl/DocumentImpl.java b/data/src/main/java/one/nem/lacerta/data/impl/DocumentImpl.java
index 69c98bc1..10eb8265 100644
--- a/data/src/main/java/one/nem/lacerta/data/impl/DocumentImpl.java
+++ b/data/src/main/java/one/nem/lacerta/data/impl/DocumentImpl.java
@@ -2,32 +2,27 @@ package one.nem.lacerta.data.impl;
 
 import java.util.ArrayList;
 import java.util.Date;
-import java.util.List;
 import java.util.UUID;
 
+// Hilt
 import javax.inject.Inject;
 
+// Lacerta/data
 import one.nem.lacerta.data.Document;
 
+// Lacerta/model
 import one.nem.lacerta.model.PublicPath;
 import one.nem.lacerta.model.document.DocumentMeta;
 import one.nem.lacerta.model.document.DocumentDetail;
 
-import one.nem.lacerta.model.document.path.DocumentPath;
-import one.nem.lacerta.model.document.tag.DocumentTag;
+// Lacerta/source
 import one.nem.lacerta.source.database.LacertaDatabase;
-
 import one.nem.lacerta.source.database.entity.DocumentEntity;
-import one.nem.lacerta.source.database.entity.LibraryEntity;
-import one.nem.lacerta.source.database.entity.TagEntity;
 
-import one.nem.lacerta.source.database.entity.VcsLogEntity;
-import one.nem.lacerta.vcs.ActionType;
-import one.nem.lacerta.source.file.factory.FileManagerFactory;
-import one.nem.lacerta.source.jgit.JGitRepository;
+// Lacerta/utils
 import one.nem.lacerta.utils.LacertaLogger;
-import one.nem.lacerta.utils.XmlMetaParser;
-import one.nem.lacerta.utils.repository.DeviceInfoUtils;
+
+// Lacerta/vcs
 import one.nem.lacerta.vcs.LacertaVcs;
 
 
@@ -41,8 +36,8 @@ public class DocumentImpl implements Document {
     @Inject
     LacertaDatabase database;
 
-    @Inject
-    LacertaVcs vcs;
+//    @Inject
+//    LacertaVcs vcs;
 
 
     @Inject
@@ -74,7 +69,7 @@ public class DocumentImpl implements Document {
         database.documentDao().insert(documentEntity);
 
         // Vcs
-        vcs.createDocument(meta.getId());
+//        vcs.createDocument(meta.getId());
 
         return detail;
     }
diff --git a/feature/debug/src/main/AndroidManifest.xml b/feature/debug/src/main/AndroidManifest.xml
index 4ae26da0..a5918e68 100644
--- a/feature/debug/src/main/AndroidManifest.xml
+++ b/feature/debug/src/main/AndroidManifest.xml
@@ -1,10 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
 
-    <application>
-        <activity
-            android:name=".DebugMenuContainerActivity"
-            android:exported="false" />
-    </application>
-
 </manifest>
\ No newline at end of file
diff --git a/processor/src/main/java/one/nem/lacerta/processor/impl/DocumentProcessorImpl.java b/processor/src/main/java/one/nem/lacerta/processor/impl/DocumentProcessorImpl.java
index 684a71af..90cc7cf7 100644
--- a/processor/src/main/java/one/nem/lacerta/processor/impl/DocumentProcessorImpl.java
+++ b/processor/src/main/java/one/nem/lacerta/processor/impl/DocumentProcessorImpl.java
@@ -3,27 +3,30 @@ package one.nem.lacerta.processor.impl;
 import android.graphics.Bitmap;
 
 import java.nio.file.Path;
-import java.util.ArrayList;
 import java.util.UUID;
 
+// Hilt
 import dagger.assisted.Assisted;
 import dagger.assisted.AssistedInject;
-import one.nem.lacerta.model.document.internal.XmlMetaPageModel;
-import one.nem.lacerta.processor.DocumentProcessor;
 
+// Lacerta/model
 import one.nem.lacerta.model.document.DocumentDetail;
-
 import one.nem.lacerta.model.document.internal.XmlMetaModel;
-
 import one.nem.lacerta.model.document.page.Page;
 
+// Lacerta/processor
+import one.nem.lacerta.processor.DocumentProcessor;
+
+// Lacerta/source
 import one.nem.lacerta.source.file.FileManager;
 import one.nem.lacerta.source.file.factory.FileManagerFactory;
 
+// Lacerta/utils
 import one.nem.lacerta.utils.LacertaLogger;
-
 import one.nem.lacerta.utils.XmlMetaParser;
 import one.nem.lacerta.utils.repository.DeviceInfoUtils;
+
+// Lacerta/vcs
 import one.nem.lacerta.vcs.LacertaVcs;
 import one.nem.lacerta.vcs.factory.LacertaVcsFactory;
 
diff --git a/settings.gradle b/settings.gradle
index f5dea772..0cc88262 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -30,5 +30,4 @@ include ':source'
 include ':model'
 include ':processor'
 include ':shared:ui'
-include ':shared:icon'
 include ':vcs'
diff --git a/source/src/main/java/one/nem/lacerta/source/jgit/ActionRepo.java b/source/src/main/java/one/nem/lacerta/source/jgit/ActionRepo.java
deleted file mode 100644
index 6bb6f830..00000000
--- a/source/src/main/java/one/nem/lacerta/source/jgit/ActionRepo.java
+++ /dev/null
@@ -1,31 +0,0 @@
-package one.nem.lacerta.source.jgit;
-
-import org.eclipse.jgit.lib.Repository;
-
-public interface ActionRepo {
-
-    // リポジトリをインスタンス変数に格納
-    void setRepository(Repository repository);
-
-    // リポジトリ取得
-    Repository getRepository();
-
-    // リポジトリ名取得
-    String getRepositoryName();
-
-    // ステージングされていないファイルの一覧を取得
-    String[] getUnstagedFiles();
-
-    // ステージングされているファイルの一覧を取得
-    String[] getStagedFiles();
-
-    // ファイルをステージング
-    void stageFile(String path);
-
-    // ファイルをアンステージング
-    void unstageFile(String path);
-
-    // ステージングされているファイルをコミット
-    void commit(String message);
-
-}
diff --git a/source/src/main/java/one/nem/lacerta/source/jgit/JGitRepository.java b/source/src/main/java/one/nem/lacerta/source/jgit/JGitRepository.java
deleted file mode 100644
index 09d04f17..00000000
--- a/source/src/main/java/one/nem/lacerta/source/jgit/JGitRepository.java
+++ /dev/null
@@ -1,17 +0,0 @@
-package one.nem.lacerta.source.jgit;
-
-import org.eclipse.jgit.lib.Repository;
-
-public interface JGitRepository {
-
-    // リポジトリ取得
-    Repository getRepository(String id);
-    // リポジトリ作成
-    Repository createRepository(String id);
-    // リポジトリ削除
-    void deleteRepository(String id);
-    // リポジトリ存在確認
-    boolean repositoryExists(String id);
-
-
-}
diff --git a/source/src/main/java/one/nem/lacerta/source/jgit/impl/ActionRepoImpl.java b/source/src/main/java/one/nem/lacerta/source/jgit/impl/ActionRepoImpl.java
deleted file mode 100644
index ac94b96f..00000000
--- a/source/src/main/java/one/nem/lacerta/source/jgit/impl/ActionRepoImpl.java
+++ /dev/null
@@ -1,101 +0,0 @@
-package one.nem.lacerta.source.jgit.impl;
-
-import org.eclipse.jgit.api.Git;
-import org.eclipse.jgit.lib.Repository;
-
-import javax.inject.Inject;
-
-import one.nem.lacerta.source.jgit.ActionRepo;
-import one.nem.lacerta.utils.LacertaLogger;
-
-public class ActionRepoImpl implements ActionRepo{
-
-    @Inject // Inject logger
-    LacertaLogger logger;
-
-    private final String TAG = "ActionRepoImpl";
-
-    Repository repository;
-
-    Git git;
-
-    // Internal method
-    private Git getGit() {
-        if (this.git == null) {
-            logger.debug(TAG, "getGit: git is null. Creating new Git instance");
-            this.git = new Git(repository);
-        }
-        return this.git;
-    }
-
-    @Override
-    public void setRepository(Repository repository) {
-        this.repository = repository;
-    }
-
-    @Override
-    public Repository getRepository() {
-        if (repository == null) {
-            logger.warn(TAG, "getRepository: repository is null. Throwing RuntimeException");
-            throw new RuntimeException("リポジトリが設定されていません");
-        }
-        return repository;
-    }
-
-    @Override
-    public String getRepositoryName() {
-        return repository.getDirectory().getParentFile().getName();
-    }
-
-    @Override
-    public String[] getUnstagedFiles() {
-        Git git = getGit();
-        try {
-            return git.status().call().getUntracked().toArray(new String[0]);
-        } catch (Exception e) { // TODO-rca: エラーハンドリング
-            logger.error(TAG, "getUnstagedFiles: " + e.getMessage());
-            return new String[0];
-        }
-    }
-
-    @Override
-    public String[] getStagedFiles() {
-        Git git = getGit();
-        try {
-            return git.status().call().getAdded().toArray(new String[0]);
-        } catch (Exception e) { // TODO-rca: エラーハンドリング
-            logger.error(TAG, "getStagedFiles: " + e.getMessage());
-            return new String[0];
-        }
-    }
-
-    @Override
-    public void stageFile(String path) {
-        Git git = getGit();
-        try {
-            git.add().addFilepattern(path).call();
-        } catch (Exception e) { // TODO-rca: エラーハンドリング
-            logger.error(TAG, "stageFile: " + e.getMessage());
-        }
-    }
-
-    @Override
-    public void unstageFile(String path) {
-        Git git = getGit();
-        try {
-            git.reset().addPath(path).call();
-        } catch (Exception e) { // TODO-rca: エラーハンドリング
-            logger.error(TAG, "unstageFile: " + e.getMessage());
-        }
-    }
-
-    @Override
-    public void commit(String message) {
-        Git git = getGit();
-        try {
-            git.commit().setMessage(message).call();
-        } catch (Exception e) { // TODO-rca: エラーハンドリング
-            logger.error(TAG, "commit: " + e.getMessage());
-        }
-    }
-}
diff --git a/source/src/main/java/one/nem/lacerta/source/jgit/impl/JGitRepositoryImpl.java b/source/src/main/java/one/nem/lacerta/source/jgit/impl/JGitRepositoryImpl.java
deleted file mode 100644
index fabcb0bb..00000000
--- a/source/src/main/java/one/nem/lacerta/source/jgit/impl/JGitRepositoryImpl.java
+++ /dev/null
@@ -1,55 +0,0 @@
-package one.nem.lacerta.source.jgit.impl;
-
-import one.nem.lacerta.source.jgit.JGitRepository;
-
-import javax.inject.Inject;
-
-import one.nem.lacerta.utils.repository.DeviceInfoUtils;
-
-import org.eclipse.jgit.lib.Repository;
-
-import org.eclipse.jgit.lib.RepositoryBuilder;
-
-public class JGitRepositoryImpl implements JGitRepository {
-
-    private final DeviceInfoUtils deviceInfoUtils;
-
-    @Inject
-    public JGitRepositoryImpl(DeviceInfoUtils deviceInfoUtils) {
-        this.deviceInfoUtils = deviceInfoUtils;
-    }
-
-    @Override
-    public Repository getRepository(String id) {
-        RepositoryBuilder repositoryBuilder = new RepositoryBuilder();
-        repositoryBuilder.setGitDir(deviceInfoUtils.getExternalStorageDirectory().resolve(id).resolve(".git").toFile());
-        repositoryBuilder.setMustExist(true);
-        try {
-            return repositoryBuilder.build();
-        } catch (Exception e) {
-            return null;
-        }
-    }
-
-    @Override
-    public Repository createRepository(String id) {
-        RepositoryBuilder repositoryBuilder = new RepositoryBuilder();
-        repositoryBuilder.setGitDir(deviceInfoUtils.getExternalStorageDirectory().resolve(id).resolve(".git").toFile());
-        repositoryBuilder.setMustExist(false);
-        try {
-            return repositoryBuilder.build();
-        } catch (Exception e) {
-            return null;
-        }
-    }
-
-    @Override
-    public void deleteRepository(String id) {
-        // TODO-rca: 未実装
-    }
-
-    @Override
-    public boolean repositoryExists(String id) {
-        return false; // TODO-rca: 未実装
-    }
-}
diff --git a/source/src/main/java/one/nem/lacerta/source/jgit/impl/placeholder b/source/src/main/java/one/nem/lacerta/source/jgit/impl/placeholder
deleted file mode 100644
index e69de29b..00000000
diff --git a/source/src/main/java/one/nem/lacerta/source/jgit/module/JGitRepositoryModule.java b/source/src/main/java/one/nem/lacerta/source/jgit/module/JGitRepositoryModule.java
deleted file mode 100644
index 4c9b8fde..00000000
--- a/source/src/main/java/one/nem/lacerta/source/jgit/module/JGitRepositoryModule.java
+++ /dev/null
@@ -1,15 +0,0 @@
-package one.nem.lacerta.source.jgit.module;
-
-import dagger.Binds;
-import dagger.Module;
-import dagger.hilt.InstallIn;
-import dagger.hilt.components.SingletonComponent;
-import one.nem.lacerta.source.jgit.JGitRepository;
-
-@Module
-@InstallIn(SingletonComponent.class)
-abstract public class JGitRepositoryModule {
-
-    @Binds
-    public abstract JGitRepository bindManageRepo(one.nem.lacerta.source.jgit.impl.JGitRepositoryImpl manageRepoImpl);
-}
diff --git a/source/src/main/java/one/nem/lacerta/source/jgit/module/placeholder b/source/src/main/java/one/nem/lacerta/source/jgit/module/placeholder
deleted file mode 100644
index e69de29b..00000000