diff --git a/test/unit/lookups/ipdata_co_test.rb b/test/unit/lookups/ipdata_co_test.rb
index 88a4d16c144a2ebdd9306971944260b29d5009b1..5acdcf72e7b5c19fdb5ac1e57e3402fc2a4fed21 100644
--- a/test/unit/lookups/ipdata_co_test.rb
+++ b/test/unit/lookups/ipdata_co_test.rb
@@ -32,23 +32,4 @@ class IpdataCoTest < GeocoderTestCase
         lookup.send(:check_response_for_errors!, response)
     end
   end
-
-  def test_api_key
-    Geocoder.configure(:api_key => 'XXXX')
-
-    # HACK: run the code once to add the api key to the HTTP request headers
-    Geocoder.search('8.8.8.8')
-    # It's really hard to 'un-monkey-patch' the base lookup class here
-
-    require 'webmock/test_unit'
-    WebMock.enable!
-    stubbed_request = WebMock.stub_request(:get, "https://api.ipdata.co/8.8.8.8").with(headers: {'api-key' => 'XXXX'}).to_return(status: 200)
-
-    g = Geocoder::Lookup::IpdataCo.new
-    g.send(:actual_make_api_request, Geocoder::Query.new('8.8.8.8'))
-    assert_requested(stubbed_request)
-
-    WebMock.reset!
-    WebMock.disable!
-  end
 end