diff --git a/app/src/main/java/org/ntlab/acanthus_client/views/paint/InvitesConnectionModel.java b/app/src/main/java/org/ntlab/acanthus_client/views/paint/InvitesConnectionModel.java
deleted file mode 100644
index 8a06abd..0000000
--- a/app/src/main/java/org/ntlab/acanthus_client/views/paint/InvitesConnectionModel.java
+++ /dev/null
@@ -1,63 +0,0 @@
-package org.ntlab.acanthus_client.views.paint;
-
-import org.ntlab.acanthus_client.Acanthus;
-import org.ntlab.acanthus_client.resources.gallery.InvitesRest;
-import org.ntlab.acanthus_client.resources.gallery.StrokesRest;
-
-import retrofit2.Call;
-import retrofit2.Callback;
-import retrofit2.Response;
-import retrofit2.Retrofit;
-import retrofit2.converter.jackson.JacksonConverterFactory;
-import retrofit2.converter.scalars.ScalarsConverterFactory;
-
-//-----------------------------------------------------------------
-// 招待関係通信
-public class InvitesConnectionModel {
-    private Retrofit retrofit;
-    private Acanthus acanthus;
-
-    //-----------------------------------------------------------------
-    //
-    public InvitesConnectionModel(Acanthus acanthus) {
-        init(acanthus);
-    }
-
-    //-----------------------------------------------------------------
-    //-----------------------------------------------------------------
-    // init
-    public void init(Acanthus acanthus) {
-        this.acanthus = acanthus;
-        this.retrofit = new Retrofit.Builder()
-                .baseUrl("http://nitta-lab-www.is.konan-u.ac.jp/acanthus/")
-                .addConverterFactory(ScalarsConverterFactory.create())
-                .addConverterFactory(JacksonConverterFactory.create())
-                .build();
-    }
-
-    //-----------------------------------------------------------------
-    // 新しい編集者の追加(POST)
-    public void inviteNewEditor(Integer invitedUid) {
-        final InvitesRest invitesRest = retrofit.create(InvitesRest.class);
-        Integer owner = 1;
-        String token = "abc0";
-        int dummy = 1111;
-
-        //-----------------------------------------------------------------
-        // 招待リクエストを送るAPI
-        Call<String> call = invitesRest.addInvite(dummy, owner.toString(), invitedUid.toString(), token);
-        call.enqueue(new Callback<String>() {
-            @Override
-            public void onResponse(Call<String> call, Response<String> response) {
-                if(response.isSuccessful());
-            }
-
-            @Override
-            public void onFailure(Call<String> call, Throwable t) {
-
-            }
-        });
-    }
-    //-----------------------------------------------------------------
-
-}