diff --git a/app/assets/javascripts/application.js b/app/assets/javascripts/application.js
index b58f892..7f337ad 100644
--- a/app/assets/javascripts/application.js
+++ b/app/assets/javascripts/application.js
@@ -4,50 +4,4 @@
 //= require jquery3
 //= require popper
 //= require bootstrap-sprockets
-//= require viewerjs/dist/viewer
-//= require jquery-viewer/dist/jquery-viewer
 //= require_tree .
-
-$(document).ready(function() {
-  $('#image').passportImageViewer()
-
-  $("input[name='passport[images]']").change(function() {
-    if (!this.files) { return }
-
-    var file = this.files[0]
-
-    if (!file) { return }
-
-    var reader = new FileReader()
-
-    reader.onload = function(e) {
-      $('#image').attr('src', e.target.result)
-      $('#image').passportImageViewer()
-    }
-
-    reader.readAsDataURL(file)
-  })
-})
-
-$.fn.passportImageViewer = function() {
-  $(this).viewer('destroy')
-
-  $(this).viewer({
-    inline: true,
-    title: false,
-    navbar: false,
-    toolbar: {
-      zoomIn: true,
-      zoomOut: true,
-      oneToOne: true,
-      reset: true,
-      prev: false,
-      play: false,
-      next: false,
-      rotateLeft: true,
-      rotateRight: true,
-      flipHorizontal: true,
-      flipVertical: true,
-    },
-  })
-}
diff --git a/app/assets/stylesheets/application.scss b/app/assets/stylesheets/application.scss
index d276eec..4fbb9f3 100644
--- a/app/assets/stylesheets/application.scss
+++ b/app/assets/stylesheets/application.scss
@@ -1,4 +1,3 @@
 @import 'bootstrap';
 @import 'font-awesome-sprockets';
 @import 'font-awesome';
-@import 'viewerjs/dist/viewer';
diff --git a/package.json b/package.json
index d1a0039..61fd8f2 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,5 @@
   "license": "MIT",
   "version": "0.0.0",
   "dependencies": {
-    "jquery-viewer": "^1.0.0",
-    "viewerjs": "^1.3.0"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 8c6a839..fb57ccd 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,12 +2,3 @@
 # yarn lockfile v1
 
 
-jquery-viewer@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/jquery-viewer/-/jquery-viewer-1.0.0.tgz#84dc26d39b4499d8f21fa146d35bd52f5f813f11"
-  integrity sha512-j1f7AKNU+wjywS8CwtHzDymyoroUznoXnrRp87WIRVuzZzMoFtJCrj54F/0BAi2DIEkDHx/1EZl9N725M6LiIA==
-
-viewerjs@^1.3.0:
-  version "1.3.2"
-  resolved "https://registry.yarnpkg.com/viewerjs/-/viewerjs-1.3.2.tgz#67781aff6d019a0960c4c2bf74d6756b548aebf8"
-  integrity sha512-P9Ac9H+GJ1jE9B5x8foRYm/xZvpWFR6L4GC9mr6181P9amOzQPDkplQrFj8l7mdnv8EyH2dO8XJJfoylir316A==