diff --git a/lib/helpers/deprecation_helper.rb b/lib/helpers/deprecation_helper.rb
deleted file mode 100644
index 85a419a..0000000
--- a/lib/helpers/deprecation_helper.rb
+++ /dev/null
@@ -1,14 +0,0 @@
-module DeprecationHelper
-  def deprecate_method(old_method, new_method)
-    define_method(old_method) do |*args, &block|
-      klass = is_a? Module
-      target = klass ? "#{self}." : "#{self.class}#"
-      warn "Warning: `#{target}#{old_method}` is deprecated and will be removed in version 6 of valid_email2; use `#{new_method}` instead."
-      send(new_method, *args, &block)
-    end
-  end
-
-  def deprecation_message(old_name, new_name)
-    warn "Warning: `#{old_name}` is deprecated and will be removed in version 6 of valid_email2; use `#{new_name}` instead."
-  end
-end
diff --git a/lib/valid_email2.rb b/lib/valid_email2.rb
index 90ed415..b711006 100644
--- a/lib/valid_email2.rb
+++ b/lib/valid_email2.rb
@@ -4,10 +4,7 @@
 require_relative "./helpers/deprecation_helper"
 
 module ValidEmail2
-  
-  BLACKLIST_FILE  = "config/blacklisted_email_domains.yml"
   DENY_LIST_FILE  = "config/deny_listed_email_domains.yml"
-  WHITELIST_FILE  = "config/whitelisted_email_domains.yml"
   ALLOW_LIST_FILE  = "config/allow_listed_email_domains.yml"
   DISPOSABLE_FILE = File.expand_path('../config/disposable_email_domains.txt', __dir__)
 
@@ -19,18 +16,12 @@ def disposable_emails
     end
 
     def deny_list
-      @deny_list ||= load_if_exists(DENY_LIST_FILE) ||
-        load_deprecated_if_exists(BLACKLIST_FILE) ||
-        Set.new
+      @deny_list ||= load_if_exists(DENY_LIST_FILE) || Set.new
     end
-    deprecate_method :blacklist, :deny_list
 
     def allow_list
-      @allow_list ||= load_if_exists(ALLOW_LIST_FILE) ||
-        load_deprecated_if_exists(WHITELIST_FILE) ||
-        Set.new
+      @allow_list ||= load_if_exists(ALLOW_LIST_FILE) || Set.new
     end
-    deprecate_method :whitelist, :allow_list
 
     private
 
@@ -38,16 +29,6 @@ def load_if_exists(path)
       load_file(path) if File.exist?(path)
     end
 
-    def load_deprecated_if_exists(path)
-      if File.exist?(path)
-        warn <<~WARN
-          Warning: The file `#{path}` used by valid_email2 is deprecated and won't be read in version 6 of valid_email2;
-          Rename the file to `#{path.gsub("blacklisted", "deny_listed").gsub("whitelisted", "allow_listed")}` instead."
-        WARN
-        load_file(path)
-      end
-    end
-
     def load_file(path)
       # This method MUST return a Set, otherwise the
       # performance will suffer!
diff --git a/lib/valid_email2/address.rb b/lib/valid_email2/address.rb
index 3727f1d..b571fe4 100644
--- a/lib/valid_email2/address.rb
+++ b/lib/valid_email2/address.rb
@@ -90,12 +90,10 @@ def disposable_mx_server?
     def allow_listed?
       domain_is_in?(ValidEmail2.allow_list)
     end
-    deprecate_method :whitelisted?, :allow_listed?
 
     def deny_listed?
       valid? && domain_is_in?(ValidEmail2.deny_list)
     end
-    deprecate_method :blacklisted?, :deny_listed?
 
     def valid_mx?
       return false unless valid?
diff --git a/lib/valid_email2/email_validator.rb b/lib/valid_email2/email_validator.rb
index 47f9e50..e32d813 100644
--- a/lib/valid_email2/email_validator.rb
+++ b/lib/valid_email2/email_validator.rb
@@ -35,27 +35,15 @@ def validate_each(record, attribute, value)
         error(record, attribute) && return if addresses.any?(&:disposable_domain?)
       end
 
-      if options[:disposable_with_whitelist]
-        deprecation_message(:disposable_with_whitelist, :disposable_with_allow_list)
-      end
-
-      if options[:disposable_with_allow_list] || options[:disposable_with_whitelist]
+      if options[:disposable_with_allow_list]
         error(record, attribute) && return if addresses.any? { |address| address.disposable? && !address.allow_listed? }
       end
 
-      if options[:disposable_domain_with_whitelist]
-        deprecation_message(:disposable_domain_with_whitelist, :disposable_domain_with_allow_list)
-      end
-
-      if options[:disposable_domain_with_allow_list] || options[:disposable_domain_with_whitelist]
+      if options[:disposable_domain_with_allow_list]
         error(record, attribute) && return if addresses.any? { |address| address.disposable_domain? && !address.allow_listed? }
       end
 
-      if options[:blacklist]
-        deprecation_message(:blacklist, :deny_list)
-      end
-      
-      if options[:deny_list] || options[:blacklist]
+      if options[:deny_list]
         error(record, attribute) && return if addresses.any?(&:deny_listed?)
       end
 
diff --git a/pull_mailchecker_emails.rb b/pull_mailchecker_emails.rb
index 6edf1c0..2cfcdff 100644
--- a/pull_mailchecker_emails.rb
+++ b/pull_mailchecker_emails.rb
@@ -5,7 +5,7 @@
 require "json"
 require "net/http"
 
-whitelisted_emails = %w[
+allow_listed_emails = %w[
   onet.pl poczta.onet.pl fastmail.fm hushmail.com
   hush.ai hush.com hushmail.me naver.com qq.com example.com
   yandex.net gmx.com gmx.es webdesignspecialist.com.au vp.com
@@ -29,6 +29,6 @@
   resp.body.split("\n").flatten
 end
 
-result_emails = (existing_emails + remote_emails).map(&:strip).uniq.sort - whitelisted_emails
+result_emails = (existing_emails + remote_emails).map(&:strip).uniq.sort - allow_listed_emails
 
 File.write("config/disposable_email_domains.txt", result_emails.join("\n"))