diff --git a/config/initializers/content_security_policy.rb b/config/initializers/content_security_policy.rb
index 3621f97f8..bc596890b 100644
--- a/config/initializers/content_security_policy.rb
+++ b/config/initializers/content_security_policy.rb
@@ -1,26 +1,12 @@
-# Be sure to restart your server when you modify this file.
+GovukContentSecurityPolicy.configure do |policy|
+  # Ensures the ability to use inline JavaScript without protections. This is
+  # required for compatibility with govuk_admin_template which both uses script
+  # tags without nonces and uses jQuery 1.x which requires unsafe-inline in
+  # some browsers (Firefox is one)
+  script_policy_with_unsafe_inline = (policy.script_src + ["'unsafe-inline'"]).uniq
+  policy.script_src(*script_policy_with_unsafe_inline)
+end
 
-# Define an application-wide content security policy
-# For further information see the following documentation
-# https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy
-
-# Rails.application.configure do
-#   config.content_security_policy do |policy|
-#     policy.default_src :self, :https
-#     policy.font_src    :self, :https, :data
-#     policy.img_src     :self, :https, :data
-#     policy.object_src  :none
-#     policy.script_src  :self, :https
-#     policy.style_src   :self, :https
-#     # Specify URI for violation reports
-#     # policy.report_uri "/csp-violation-report-endpoint"
-#   end
-#
-#   # Generate session nonces for permitted importmap and inline scripts
-#   config.content_security_policy_nonce_generator = ->(request) { request.session.id.to_s }
-#   config.content_security_policy_nonce_directives = %w(script-src)
-#
-#   # Report CSP violations to a specified URI. See:
-#   # https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy-Report-Only
-#   # config.content_security_policy_report_only = true
-# end
+# Disable any configured nonce generators so that unsafe-inline directives
+# can be used
+Rails.application.config.content_security_policy_nonce_generator = nil
diff --git a/config/initializers/csp.rb b/config/initializers/csp.rb
deleted file mode 100644
index aa49407c8..000000000
--- a/config/initializers/csp.rb
+++ /dev/null
@@ -1 +0,0 @@
-GovukContentSecurityPolicy.configure