diff --git a/Gemfile.lock b/Gemfile.lock
index a771500a..c59c8af9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -16,7 +16,7 @@ PATH
       devise
       jquery-rails (~> 4.3.1)
       jquery-ui-rails (~> 6.0.1)
-      judge (~> 3.0.0)
+      judge (~> 3.1.0)
       judge-simple_form (~> 1.1.0)
       kaminari
       mini_magick
@@ -207,7 +207,7 @@ GEM
     jquery-ui-rails (6.0.1)
       railties (>= 3.2.16)
     json (2.6.1)
-    judge (3.0.0)
+    judge (3.1.0)
       rails (>= 5.0)
     judge-simple_form (1.1.0)
       judge (>= 2.0)
@@ -264,6 +264,8 @@ GEM
     nio4r (2.5.8)
     nokogiri (1.13.3-aarch64-linux)
       racc (~> 1.4)
+    nokogiri (1.13.3-x86_64-linux)
+      racc (~> 1.4)
     notiffany (0.1.3)
       nenv (~> 0.1)
       shellany (~> 0.0)
@@ -409,6 +411,7 @@ GEM
 
 PLATFORMS
   aarch64-linux
+  x86_64-linux
 
 DEPENDENCIES
   appraisal
diff --git a/app/views/fae/shared/_errors.slim b/app/views/fae/shared/_errors.slim
index bdfb2bcd..e5f5d022 100644
--- a/app/views/fae/shared/_errors.slim
+++ b/app/views/fae/shared/_errors.slim
@@ -1,4 +1 @@
-/ - unless flash.present?
-  / .flash-message.alert.hide = t('fae.save_error')
-
 == render 'flash_messages'
diff --git a/fae.gemspec b/fae.gemspec
index 093b9c21..55e5791f 100644
--- a/fae.gemspec
+++ b/fae.gemspec
@@ -28,7 +28,7 @@ Gem::Specification.new do |s|
   s.add_dependency 'devise'
   s.add_dependency 'jquery-ui-rails', '~> 6.0.1'
   s.add_dependency 'mini_magick'
-  s.add_dependency 'judge', '~> 3.0.0'
+  s.add_dependency 'judge', '~> 3.1.0'
   s.add_dependency 'judge-simple_form', '~> 1.1.0'
   s.add_dependency 'kaminari'
   s.add_dependency 'remotipart', '~> 1.4.0'
diff --git a/lib/judge/controller.rb b/lib/judge/controller.rb
deleted file mode 100644
index d9ea44e6..00000000
--- a/lib/judge/controller.rb
+++ /dev/null
@@ -1,58 +0,0 @@
-require 'uri'
-
-module Judge
-  module Controller
-
-    def validation(params)
-      params = normalized_params(params)
-      if params_present?(params) && params_exposed?(params)
-        Validation.new(params)
-      else
-        NullValidation.new(params)
-      end
-    end
-
-    private
-
-      REQUIRED_PARAMS = %w{klass attribute value kind}
-      CONDITIONAL_PARAMS = {kind: ['uniqueness', :original_value]}
-
-      def params_exposed?(params)
-        Judge.config.exposed?(params[:klass], params[:attribute])
-      end
-
-      def params_present?(params)
-        required_params_present?(params) && conditional_params_present?(params)
-      end
-
-      def required_params_present?(params)
-        REQUIRED_PARAMS.all? {|s| params.key? s} && params.values_at(*REQUIRED_PARAMS).all?
-      end
-
-      def conditional_params_present?(params)
-        CONDITIONAL_PARAMS.each do |required_param, constraint|
-          if params[required_param] == constraint.first
-            return false unless params[constraint.last]
-          end
-        end
-      end
-
-      def normalized_params(params)
-        parser = URI::Parser.new
-        params = params.dup.keep_if {|k| REQUIRED_PARAMS.include?(k) || (k == 'original_value' && params[:kind] == 'uniqueness')}
-        params[:klass]     = find_klass(params[:klass]) if params[:klass]
-        params[:attribute] = params[:attribute].to_sym  if params[:attribute]
-        params[:value]     = parser.unescape(params[:value]) if params[:value]
-        params[:kind]      = params[:kind].to_sym       if params[:kind]
-        params[:original_value] = parser.unescape(params[:original_value]) if params[:original_value]
-        params
-      end
-
-      def find_klass(name)
-        Module.const_get(name.classify)
-      rescue NameError
-        nil
-      end
-
-  end
-end
\ No newline at end of file