diff --git a/Gemfile b/Gemfile
index 6ba54e871..34bc9b7ac 100644
--- a/Gemfile
+++ b/Gemfile
@@ -35,8 +35,6 @@ gem 'select2-rails',    '3.5.9.3' # for autocomplete
 gem 'cancancan'
 gem 'devise', '~> 4.7'
 
-gem 'grape'
-
 # registry specfic
 gem 'data_migrate', '~> 6.1'
 gem 'isikukood' # for EE-id validation
diff --git a/Gemfile.lock b/Gemfile.lock
index 1a45ed826..ff6dcd3a3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -196,28 +196,6 @@ GEM
     docile (1.3.2)
     domain_name (0.5.20190701)
       unf (>= 0.0.5, < 1.0.0)
-    dry-configurable (0.11.6)
-      concurrent-ruby (~> 1.0)
-      dry-core (~> 0.4, >= 0.4.7)
-      dry-equalizer (~> 0.2)
-    dry-container (0.7.2)
-      concurrent-ruby (~> 1.0)
-      dry-configurable (~> 0.1, >= 0.1.3)
-    dry-core (0.4.9)
-      concurrent-ruby (~> 1.0)
-    dry-equalizer (0.3.0)
-    dry-inflector (0.2.0)
-    dry-logic (1.0.7)
-      concurrent-ruby (~> 1.0)
-      dry-core (~> 0.2)
-      dry-equalizer (~> 0.2)
-    dry-types (1.4.0)
-      concurrent-ruby (~> 1.0)
-      dry-container (~> 0.3)
-      dry-core (~> 0.4, >= 0.4.4)
-      dry-equalizer (~> 0.3)
-      dry-inflector (~> 0.1, >= 0.1.2)
-      dry-logic (~> 1.0, >= 1.0.2)
     erubi (1.9.0)
     erubis (2.7.0)
     execjs (2.7.0)
@@ -226,13 +204,6 @@ GEM
       thor (~> 0.14)
     globalid (0.4.2)
       activesupport (>= 4.2.0)
-    grape (1.4.0)
-      activesupport
-      builder
-      dry-types (>= 1.1)
-      mustermann-grape (~> 1.0.0)
-      rack (>= 1.3.0)
-      rack-accept
     gyoku (1.3.1)
       builder (>= 2.1.2)
     haml (5.1.2)
@@ -312,8 +283,6 @@ GEM
     multi_json (1.15.0)
     mustermann (1.1.1)
       ruby2_keywords (~> 0.0.1)
-    mustermann-grape (1.0.1)
-      mustermann (>= 1.0.0)
     netrc (0.11.0)
     nio4r (2.5.4)
     nokogiri (1.10.10)
@@ -357,8 +326,6 @@ GEM
       que (~> 0.8)
       sinatra
     rack (2.2.3)
-    rack-accept (0.4.5)
-      rack (>= 0.4)
     rack-oauth2 (1.16.0)
       activesupport
       attr_required
@@ -542,7 +509,6 @@ DEPENDENCIES
   epp!
   epp-xml (= 1.1.0)!
   figaro (= 1.1.1)
-  grape
   haml (~> 5.0)
   isikukood
   iso8601 (= 0.12.1)
diff --git a/app/api/repp/api.rb b/app/api/repp/api.rb
deleted file mode 100644
index f1908f81e..000000000
--- a/app/api/repp/api.rb
+++ /dev/null
@@ -1,73 +0,0 @@
-module Repp
-  class API < Grape::API
-    format :json
-    prefix :repp
-
-    rescue_from Grape::Exceptions::ValidationErrors do |e|
-      messages = e.full_messages
-      errors = []
-      messages.each { |m| errors << { code: 2003, message: m } }
-
-      error!({ errors: errors }, 400)
-    end
-
-    http_basic do |username, password|
-      @current_user ||= ApiUser.find_by(username: username, plain_text_password: password)
-      if @current_user
-        true
-      else
-        error! I18n.t('api_user_not_found'), 401
-      end
-    end
-
-    before do
-      webclient_request = ENV['webclient_ips'].split(',').map(&:strip).include?(request.ip)
-      unless webclient_request
-        error! I18n.t('api.authorization.ip_not_allowed', ip: request.ip), 401 unless @current_user.registrar.api_ip_white?(request.ip)
-      end
-
-      if @current_user.cannot?(:view, :repp)
-        error! I18n.t('no_permission'), 401 unless @current_user.registrar.api_ip_white?(request.ip)
-      end
-
-      next if Rails.env.test? || Rails.env.development?
-      message = 'Certificate mismatch! Cert common name should be:'
-      request_name = env['HTTP_SSL_CLIENT_S_DN_CN']
-
-      if webclient_request
-        webclient_cert_name = ENV['webclient_cert_common_name'] || 'webclient'
-        error! "Webclient #{message} #{webclient_cert_name}", 401 if webclient_cert_name != request_name
-      else
-        unless @current_user.pki_ok?(request.env['HTTP_SSL_CLIENT_CERT'],
-                                     request.env['HTTP_SSL_CLIENT_S_DN_CN'])
-          error! "#{message} #{@current_user.username}", 401
-        end
-      end
-    end
-
-    helpers do
-      attr_reader :current_user
-    end
-
-    after do
-      ApiLog::ReppLog.create({
-        request_path: request.path,
-        request_method: request.request_method,
-        request_params: request.params.except('route_info').to_json,
-        response: @response.to_json,
-        response_code: status,
-        api_user_name: current_user.try(:username),
-        api_user_registrar: current_user.try(:registrar).try(:to_s),
-        ip: request.ip,
-        uuid: request.try(:uuid)
-      })
-    end
-
-    mount Repp::DomainV1
-    mount Repp::ContactV1
-    mount Repp::AccountV1
-    mount Repp::DomainTransfersV1
-    mount Repp::NameserversV1
-    mount Repp::DomainContactsV1
-  end
-end