diff --git a/lib/puppet/parser/functions/ceiling.rb b/lib/puppet/parser/functions/ceiling.rb
deleted file mode 100644
index b8012356d..000000000
--- a/lib/puppet/parser/functions/ceiling.rb
+++ /dev/null
@@ -1,33 +0,0 @@
-# frozen_string_literal: true
-
-#
-#  ceiling.rb
-#
-module Puppet::Parser::Functions
-  newfunction(:ceiling, type: :rvalue, doc: <<-DOC
-    @summary
-      **Deprecated** Returns the smallest integer greater or equal to the argument.
-    Takes a single numeric value as an argument.
-
-    > *Note:*
-      **Deprecated** from Puppet 6.0.0, this function has been replaced with a
-      built-in [`ceiling`](https://puppet.com/docs/puppet/latest/function.html#ceiling) function.
-
-    @return [Integer] The rounded value
-    DOC
-  ) do |arguments|
-    raise(Puppet::ParseError, "ceiling(): Wrong number of arguments given (#{arguments.size} for 1)") if arguments.size != 1
-
-    begin
-      arg = Float(arguments[0])
-    rescue TypeError, ArgumentError => _e
-      raise(Puppet::ParseError, "ceiling(): Wrong argument type given (#{arguments[0]} for Numeric)")
-    end
-
-    raise(Puppet::ParseError, "ceiling(): Wrong argument type given (#{arg.class} for Numeric)") if arg.is_a?(Numeric) == false
-
-    arg.ceil
-  end
-end
-
-# vim: set ts=2 sw=2 et :
diff --git a/spec/functions/ceiling_spec.rb b/spec/functions/ceiling_spec.rb
deleted file mode 100644
index 5e5f34c94..000000000
--- a/spec/functions/ceiling_spec.rb
+++ /dev/null
@@ -1,15 +0,0 @@
-# frozen_string_literal: true
-
-require 'spec_helper'
-
-describe 'ceiling', if: Puppet::Util::Package.versioncmp(Puppet.version, '6.0.0') < 0 do
-  it { is_expected.not_to eq(nil) }
-  it { is_expected.to run.with_params.and_raise_error(Puppet::ParseError, %r{Wrong number of arguments}) }
-  it { is_expected.to run.with_params('foo').and_raise_error(Puppet::ParseError, %r{Wrong argument type given}) }
-  it { is_expected.to run.with_params([]).and_raise_error(Puppet::ParseError, %r{Wrong argument type given}) }
-  it { is_expected.to run.with_params(34).and_return(34) }
-  it { is_expected.to run.with_params(-34).and_return(-34) }
-  it { is_expected.to run.with_params(33.1).and_return(34) }
-  it { is_expected.to run.with_params(-33.1).and_return(-33) }
-  it { is_expected.to run.with_params('33.1').and_return(34) }
-end