diff --git a/src/authd.cr b/src/authd.cr
index 036d63d..906922a 100644
--- a/src/authd.cr
+++ b/src/authd.cr
@@ -344,6 +344,19 @@ class AuthD::Request
 		property phone : String?
 	end
 
+	class Delete < Request
+		# Deletion can be triggered by either an admin or the user.
+		property shared_key : String?
+
+		property login      : String?
+		property password   : String?
+
+		property user       : String | Int32
+
+		initialize :user, :login, :password
+		initialize :user, :shared_key
+	end
+
 	# This creates a Request::Type enumeration. One entry for each request type.
 	{% begin %}
 		enum Type
@@ -608,6 +621,23 @@ module AuthD
 				raise Exception.new "unexpected response"
 			end
 		end
+
+		def delete(user : Int32 | String, key : String)
+			send Request::Delete.new user, key
+			delete_
+		end
+		def delete(user : Int32 | String, login : String, pass : String)
+			send Request::Delete.new user, login, pass
+			delete_
+		end
+		def delete_
+			response = Response.from_ipc read
+			case response
+			when Response::Error
+				raise Exception.new response.reason
+			end
+			response
+		end
 	end
 end
 
diff --git a/utils/authc.cr b/utils/authc.cr
index ab8234e..196bbe3 100644
--- a/utils/authc.cr
+++ b/utils/authc.cr
@@ -79,15 +79,8 @@ class Actions
 	# For all functions: the number of arguments is already tested.
 	#
 
-	def user_registration
-		# pp! authd.register login, password.not_nil!, email, phone, profile: profile
-	rescue e : AuthD::Exception
-		puts "error: #{e.message}"
-	end
-	def user_deletion
-	end
-
 	def user_add
+		puts "User add!!!"
 		args = Context.args.not_nil!
 		login, email, phone = args[0..2]
 		profile = Context.user_profile
@@ -100,6 +93,20 @@ class Actions
 		puts "error: #{e.message}"
 	end
 
+	def user_registration
+		args = Context.args.not_nil!
+		login, email, phone = args[0..2]
+		profile = Context.user_profile
+
+		password = Actions.ask_password
+		exit 1 unless password
+
+		res = authd.register login, password.not_nil!, email, phone, profile: profile
+		puts res
+	rescue e : AuthD::Exception
+		puts "error: #{e.message}"
+	end
+
 	# TODO
 	def user_mod
 		args = Context.args.not_nil!
@@ -127,6 +134,20 @@ class Actions
         # puts res
 	end
 
+	def user_deletion
+		args = Context.args.not_nil!
+		userid = args[0]
+
+		# Check if the request comes from an admin or the user.
+		res = if Context.shared_key.nil?
+			authd.delete userid, Context.authd_login, Context.authd_pass
+		else
+			authd.delete userid, Context.shared_key
+		end
+
+		puts res
+	end
+
 	# TODO
 	def validate
 	# pp! r = authd.validate_user login.not_nil!, activation_key.not_nil!
diff --git a/utils/better-parser.cr b/utils/better-parser.cr
index 3896ef7..b74cb38 100644
--- a/utils/better-parser.cr
+++ b/utils/better-parser.cr
@@ -111,13 +111,15 @@ parser = OptionParser.new do |parser|
 		end
 
 		parser.on "delete", "Remove user." do
-			parser.banner = "Usage: user delete -u userid [opt]"
+			parser.banner = "Usage: user delete userid [opt]"
 			Baguette::Log.info "Remove user."
 			Context.command = "delete"
 			# You can either be the owner of the account, or an admin.
 			opt_authd_login.call parser
 			opt_authd_admin.call parser
 			opt_help.call parser
+			# userid
+			unrecognized_args_to_context_args.call parser, 1
 		end
 
 		# Do not require to be admin.