diff --git a/files/gitlab-ctl-commands/lib/gitlab_ctl.rb b/files/gitlab-ctl-commands/lib/gitlab_ctl.rb
index 58fe89127c95f26fb960175b1596c37b3105e127_ZmlsZXMvZ2l0bGFiLWN0bC1jb21tYW5kcy9saWIvZ2l0bGFiX2N0bC5yYg==..e88ad72727e62892df7dff1da8e134ea939f90cc_ZmlsZXMvZ2l0bGFiLWN0bC1jb21tYW5kcy9saWIvZ2l0bGFiX2N0bC5yYg== 100644
--- a/files/gitlab-ctl-commands/lib/gitlab_ctl.rb
+++ b/files/gitlab-ctl-commands/lib/gitlab_ctl.rb
@@ -15,7 +15,6 @@
 #
 
 require_relative 'gitlab_ctl/pg_upgrade'
-require_relative 'gitlab_ctl/prometheus_upgrade'
 require_relative 'gitlab_ctl/backup'
 require_relative 'gitlab_ctl/util'
 
diff --git a/files/gitlab-ctl-commands/lib/gitlab_ctl/prometheus_upgrade.rb b/files/gitlab-ctl-commands/lib/gitlab_ctl/prometheus_upgrade.rb
deleted file mode 100644
index 58fe89127c95f26fb960175b1596c37b3105e127_ZmlsZXMvZ2l0bGFiLWN0bC1jb21tYW5kcy9saWIvZ2l0bGFiX2N0bC9wcm9tZXRoZXVzX3VwZ3JhZGUucmI=..0000000000000000000000000000000000000000
--- a/files/gitlab-ctl-commands/lib/gitlab_ctl/prometheus_upgrade.rb
+++ /dev/null
@@ -1,94 +0,0 @@
-require 'optparse'
-require 'fileutils'
-require 'mixlib/shellout'
-require_relative 'util'
-
-module GitlabCtl
-  class PrometheusUpgrade
-    attr_reader :v1_path, :v2_path, :backup_path, :binary_path
-
-    # Sample output of prometheus --version is
-    # prometheus, version 1.8.2 (branch: master, revision: 6aa68e74cdc25a7d95f3f120ccc8eddd46e3c07b)
-    VERSION_REGEX = %r{.*?version (?<version>.*?) .*?}.freeze
-
-    def initialize(base_path, home_dir)
-      @base_path = base_path
-      @home_dir = home_dir
-      @v1_path = File.join(home_dir, "data")
-      @v2_path = File.join(home_dir, "data2")
-      @backup_path = File.join(home_dir, "data_tmp")
-      @binary_path = File.join(base_path, "embedded", "bin", "prometheus")
-    end
-
-    def is_version_2?
-      file_existence_check
-    end
-
-    def file_existence_check
-      File.exist?(File.join(@home_dir, "data", "wal"))
-    end
-
-    def prepare_directories
-      # Directory to store data in v2 format
-      FileUtils.mkdir_p(@v2_path)
-      system(*%W[chown --reference=#{@v1_path} #{@v2_path}])
-      system(*%W[chmod --reference=#{@v1_path} #{@v2_path}])
-    end
-
-    def backup_data
-      # Backup existing v1 data to a temporary location
-      FileUtils.mv(@v1_path, @backup_path)
-    end
-
-    def revert
-      # Delete intermediate directories and restore the original data
-      FileUtils.rm_rf(@v1_path)
-      FileUtils.rm_rf(@v2_path)
-      FileUtils.mv(@backup_path, @v1_path)
-    end
-
-    def rename_directory
-      # We have already backed up the original data directory to @backup_path
-      # Delete it and rename v2 directory to that name
-      FileUtils.rm_rf(@v1_path)
-      FileUtils.mv(@v2_path, @v1_path)
-    end
-
-    def prometheus_user
-      Etc.getpwuid(File.stat(@v1_path).uid).name
-    end
-
-    def prometheus_group
-      Etc.getgrgid(File.stat(@v1_path).gid).name
-    end
-
-    class << self
-      def parse_options(args)
-        node_attributes = GitlabCtl::Util.get_node_attributes
-
-        options = {
-          home_dir: node_attributes.dig(:monitoring, :prometheus, :home),
-          skip_reconfigure: false,
-          wait: true,
-        }
-        OptionParser.new do |opts|
-          opts.on('-s', '--skip-data-migration', 'Obsolete flag, ignored.')
-
-          opts.on('--skip-reconfigure', 'Skip reconfigure when upgrading.') do
-            options[:skip_reconfigure] = true
-          end
-
-          opts.on('-dDIR', '--home-dir=DIR', "Value of prometheus['home'] set in gitlab.rb. Defaults to /var/opt/gitlab/prometheus") do |d|
-            options[:home_dir] = d
-          end
-
-          opts.on('-w', '--no-wait', 'Do not wait before starting the upgrade process') do
-            options[:wait] = false
-          end
-        end.parse!(args)
-
-        options
-      end
-    end
-  end
-end
diff --git a/files/gitlab-ctl-commands/prometheus-upgrade.rb b/files/gitlab-ctl-commands/prometheus-upgrade.rb
deleted file mode 100644
index 58fe89127c95f26fb960175b1596c37b3105e127_ZmlsZXMvZ2l0bGFiLWN0bC1jb21tYW5kcy9wcm9tZXRoZXVzLXVwZ3JhZGUucmI=..0000000000000000000000000000000000000000
--- a/files/gitlab-ctl-commands/prometheus-upgrade.rb
+++ /dev/null
@@ -1,62 +0,0 @@
-#
-# Copyright:: Copyright (c) 2018 GitLab Inc
-# License:: Apache License, Version 2.0
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-require "#{base_path}/embedded/service/omnibus-ctl/lib/gitlab_ctl"
-
-add_command 'prometheus-upgrade', 'Upgrade the Prometheus data to the latest supported version',
-            2 do |_cmd_name|
-  unless service_enabled?('prometheus')
-    log "Prometheus not enabled."
-    Kernel.exit 0
-  end
-
-  options = GitlabCtl::PrometheusUpgrade.parse_options(ARGV)
-  home_dir = File.expand_path(options[:home_dir])
-
-  prometheus_upgrade = GitlabCtl::PrometheusUpgrade.new(base_path, home_dir)
-
-  # v1_path points to the current data directory
-  unless File.exist?(prometheus_upgrade.v1_path)
-    log "Specified home directory, #{home_dir} either does not exist or does not contain any data directory inside."
-    log "Use --home-dir flag to specify Prometheus home directory."
-    Kernel.exit 1
-  end
-
-  if prometheus_upgrade.is_version_2?
-    log "Already running Prometheus version 2."
-    Kernel.exit 0
-  end
-
-  prometheus_upgrade.prepare_directories
-  prometheus_upgrade.backup_data
-
-  log "\nStopping prometheus for upgrade"
-  run_sv_command_for_service('stop', 'prometheus')
-
-  prometheus_upgrade.rename_directory
-
-  unless options[:skip_reconfigure]
-    log "Running reconfigure to apply changes"
-    run_chef("#{base_path}/embedded/cookbooks/dna.json").success?
-  end
-
-  log "Starting prometheus"
-  run_sv_command_for_service('start', 'prometheus')
-
-  log "Prometheus upgrade completed. You are now running Prometheus version 2"
-  log "Old data directory has been backed up to #{prometheus_upgrade.backup_path}."
-end
diff --git a/files/gitlab-ctl-commands/upgrade.rb b/files/gitlab-ctl-commands/upgrade.rb
index 58fe89127c95f26fb960175b1596c37b3105e127_ZmlsZXMvZ2l0bGFiLWN0bC1jb21tYW5kcy91cGdyYWRlLnJi..e88ad72727e62892df7dff1da8e134ea939f90cc_ZmlsZXMvZ2l0bGFiLWN0bC1jb21tYW5kcy91cGdyYWRlLnJi 100644
--- a/files/gitlab-ctl-commands/upgrade.rb
+++ b/files/gitlab-ctl-commands/upgrade.rb
@@ -110,16 +110,6 @@
     abort "Failed to start #{sv_name} for migrations"
   end
 
-  # Force upgrade to Prometheus 2.x
-  unless GitlabCtl::Util.progress_message('Ensuring Prometheus is updated') do
-    command = %W(#{base_path}/bin/gitlab-ctl prometheus-upgrade -w --skip-reconfigure)
-    status = run_command(command.join(' '))
-    status.success?
-  end
-    log 'Error ensuring Prometheus is updated. Please check the logs'
-    Kernel.exit 1
-  end
-
   # Do not show "WARN: Cookbook 'local-mode-cache' is empty or entirely chefignored at /opt/gitlab/embedded/cookbooks/local-mode-cache"
   local_mode_cache_path = "#{base_path}/embedded/cookbooks/local-mode-cache"
   run_command("rm -rf #{local_mode_cache_path}")