diff --git a/core/main/autorun_engine/parser.rb b/core/main/autorun_engine/parser.rb
index 820c009f2..83a1075bc 100644
--- a/core/main/autorun_engine/parser.rb
+++ b/core/main/autorun_engine/parser.rb
@@ -69,8 +69,8 @@ module BeEF
             end
           end
 
-          exec_order.each { |order| return [false, 'execution_order values must be Integers'] unless order.integer? }
-          exec_delay.each { |delay| return [false, 'execution_delay values must be Integers'] unless delay.integer? }
+          exec_order.each { |order| return [false, 'execution_order values must be Integers'] unless order.is_a?(Integer) }
+          exec_delay.each { |delay| return [false, 'execution_delay values must be Integers'] unless delay.is_a?(Integer) }
 
           return [false, 'execution_order and execution_delay values must be consistent with modules numbers'] unless
               modules.size == exec_order.size && modules.size == exec_delay.size
diff --git a/core/main/configuration.rb b/core/main/configuration.rb
index f6565be4f..7b20d5a10 100644
--- a/core/main/configuration.rb
+++ b/core/main/configuration.rb
@@ -20,7 +20,7 @@ module BeEF
       # @param [String] configuration_file Configuration file to be loaded,
       #        by default loads $root_dir/config.yaml
       def initialize(config)
-        raise TypeError, "'config' needs to be a string" unless config.string?
+        raise TypeError, "'config' needs to be a string" unless config.is_a?(String)
         raise TypeError, "Configuration file '#{config}' cannot be found" unless File.exist? config
 
         begin
diff --git a/core/main/crypto.rb b/core/main/crypto.rb
index 5122e0729..9c82960a7 100644
--- a/core/main/crypto.rb
+++ b/core/main/crypto.rb
@@ -54,8 +54,8 @@ module BeEF
       # @param length integer length of returned string
       #
       def self.random_alphanum_string(length = 10)
-        raise TypeError, 'Invalid length' unless length.integer?
-        raise TypeError, 'Invalid length' unless length.positive?
+        raise TypeError, "'length' is #{length.class}; expected Integer" unless length.is_a?(Integer)
+        raise TypeError, "Invalid length: #{length}" unless length.positive?
 
         [*('a'..'z'), *('A'..'Z'), *('0'..'9')].shuffle[0, length].join
       end
@@ -66,8 +66,8 @@ module BeEF
       # @param length integer length of returned string
       #
       def self.random_hex_string(length = 10)
-        raise TypeError, 'Invalid length' unless length.integer?
-        raise TypeError, 'Invalid length' unless length.positive?
+        raise TypeError, "'length' is #{length.class}; expected Integer" unless length.is_a?(Integer)
+        raise TypeError, "Invalid length: #{length}" unless length.positive?
 
         SecureRandom.random_bytes(length).unpack1('H*')[0...length]
       end
diff --git a/core/main/geoip.rb b/core/main/geoip.rb
index 534f6e674..bb7d0fc2b 100644
--- a/core/main/geoip.rb
+++ b/core/main/geoip.rb
@@ -48,7 +48,7 @@ module BeEF
       # @return [Hash] IP address lookup results
       #
       def lookup(ip)
-        raise TypeError, '"ip" needs to be a string' unless ip.string?
+        raise TypeError, '"ip" needs to be a string' unless ip.is_a?(String)
 
         return unless @enabled
 
diff --git a/core/main/handlers/commands.rb b/core/main/handlers/commands.rb
index 131712080..b700f51f1 100644
--- a/core/main/handlers/commands.rb
+++ b/core/main/handlers/commands.rb
@@ -38,15 +38,15 @@ module BeEF
 
           # @note get and check command id from the request
           command_id = get_param(@data, 'cid')
-          unless command_id.integer?
-            print_error 'command_id is invalid'
+          unless command_id.is_a?(Integer)
+            print_error("Command ID is invalid")
             return
           end
 
           # @note get and check session id from the request
           beefhook = get_param(@data, 'beefhook')
           unless BeEF::Filters.is_valid_hook_session_id?(beefhook)
-            print_error 'BeEF hook is invalid'
+            print_error 'BeEF hook session ID is invalid'
             return
           end
 
@@ -68,7 +68,7 @@ module BeEF
           end
 
           command_status = @data['status']
-          unless command_status.integer?
+          unless command_status.is_a?(Integer)
             print_error 'command status is invalid'
             return
           end
diff --git a/core/main/logger.rb b/core/main/logger.rb
index 21f30ee26..b20b030bc 100644
--- a/core/main/logger.rb
+++ b/core/main/logger.rb
@@ -35,9 +35,9 @@ module BeEF
         time_now = Time.now
 
         # arguments type checking
-        raise TypeError, '"from" needs to be a string' unless from.string?
-        raise TypeError, '"event" needs to be a string' unless event.string?
-        raise TypeError, '"Hooked Browser ID" needs to be an integer' unless hb.integer?
+        raise TypeError, "'from' is #{from.class}; expected String" unless from.is_a?(String)
+        raise TypeError, "'event' is #{event.class}; expected String" unless event.is_a?(String)
+        raise TypeError, "'hb' hooked browser ID is #{hb.class}; expected Integer" unless hb.is_a?(Integer)
 
         # logging the new event into the database
         @logs.create(logtype: from.to_s, event: event.to_s, date: time_now, hooked_browser_id: hb).save!
diff --git a/core/main/models/command.rb b/core/main/models/command.rb
index c644e11e1..1ecfdcb63 100644
--- a/core/main/models/command.rb
+++ b/core/main/models/command.rb
@@ -23,11 +23,11 @@ module BeEF
         #
         def self.save_result(hook_session_id, command_id, command_friendly_name, result, status)
           # @note argument type checking
-          raise TypeError, '"hook_session_id" needs to be a string' unless hook_session_id.string?
-          raise TypeError, '"command_id" needs to be an integer' unless command_id.integer?
-          raise TypeError, '"command_friendly_name" needs to be a string' unless command_friendly_name.string?
-          raise TypeError, '"result" needs to be a hash' unless result.hash?
-          raise TypeError, '"status" needs to be an integer' unless status.integer?
+          raise TypeError, '"hook_session_id" needs to be a string' unless hook_session_id.is_a?(String)
+          raise TypeError, '"command_id" needs to be an integer' unless command_id.is_a?(Integer)
+          raise TypeError, '"command_friendly_name" needs to be a string' unless command_friendly_name.is_a?(String)
+          raise TypeError, '"result" needs to be a hash' unless result.is_a?(Hash)
+          raise TypeError, '"status" needs to be an integer' unless status.is_a?(Integer)
 
           # @note get the hooked browser structure and id from the database
           hooked_browser = BeEF::Core::Models::HookedBrowser.where(session: hook_session_id).first || nil
diff --git a/core/main/server.rb b/core/main/server.rb
index 14ed26268..b9581d45c 100644
--- a/core/main/server.rb
+++ b/core/main/server.rb
@@ -48,7 +48,7 @@ module BeEF
       #
       def mount(url, http_handler_class, args = nil)
         # argument type checking
-        raise TypeError, '"url" needs to be a string' unless url.string?
+        raise TypeError, '"url" needs to be a string' unless url.is_a?(String)
 
         @mounts[url] = if args.nil?
                          http_handler_class
@@ -64,7 +64,7 @@ module BeEF
       # @param [String] url URL to unmount.
       #
       def unmount(url)
-        raise TypeError, '"url" needs to be a string' unless url.string?
+        raise TypeError, '"url" needs to be a string' unless url.is_a?(String)
 
         @mounts.delete url
       end
diff --git a/core/ruby.rb b/core/ruby.rb
index 897f4fc08..7e8d3fff5 100644
--- a/core/ruby.rb
+++ b/core/ruby.rb
@@ -9,7 +9,6 @@ require 'core/ruby/security'
 
 # @note Patching Ruby
 require 'core/ruby/module'
-require 'core/ruby/object'
 require 'core/ruby/string'
 require 'core/ruby/print'
 require 'core/ruby/hash'
diff --git a/core/ruby/object.rb b/core/ruby/object.rb
deleted file mode 100644
index 4504ac33d..000000000
--- a/core/ruby/object.rb
+++ /dev/null
@@ -1,42 +0,0 @@
-#
-# Copyright (c) 2006-2023 Wade Alcorn - wade@bindshell.net
-# Browser Exploitation Framework (BeEF) - http://beefproject.com
-# See the file 'doc/COPYING' for copying permission
-#
-class Object
-  # Returns true if the object is a Boolean
-  # @return [Boolean] Whether the object is boolean
-  def boolean?
-    is_a?(TrueClass) || is_a?(FalseClass)
-  end
-
-  # Returns true if the object is a String
-  # @return [Boolean] Whether the object is a string
-  def string?
-    is_a?(String)
-  end
-
-  # Returns true if the object is an Integer
-  # @return [Boolean] Whether the object is an integer
-  def integer?
-    is_a?(Integer)
-  end
-
-  # Returns true if the object is a hash
-  # @return [Boolean] Whether the object is a hash
-  def hash?
-    is_a?(Hash)
-  end
-
-  # Returns true if the object is a class
-  # @return [Boolean] Whether the object is a class
-  def class?
-    is_a?(Class)
-  end
-
-  # Returns true if the object is nil, and empty string, or empty array
-  # @return [Boolean]
-  def blank?
-    respond_to?(:empty?) ? !!empty? : !self
-  end
-end