diff --git a/python/lib/dependabot/python/version.rb b/python/lib/dependabot/python/version.rb
index ed241682dd1..916124fde2f 100644
--- a/python/lib/dependabot/python/version.rb
+++ b/python/lib/dependabot/python/version.rb
@@ -45,7 +45,7 @@ def inspect # :nodoc:
       end
 
       def <=>(other)
-        version_comparison = old_comp(other)
+        version_comparison = super(other)
         return version_comparison unless version_comparison.zero?
 
         return post_version_comparison(other) unless post_version_comparison(other).zero?
@@ -108,44 +108,6 @@ def normalise_prerelease(version)
           tr("-", ".").
           gsub(/(\d)([a-z])/i, '\1.\2')
       end
-
-      # TODO: Delete this once we're using a version of Rubygems that includes
-      # https://github.com/rubygems/rubygems/pull/2651
-      #
-      # rubocop:disable Metrics/PerceivedComplexity
-      # rubocop:disable Style/CaseEquality
-      # rubocop:disable Style/ParallelAssignment
-      # rubocop:disable Style/RedundantReturn
-      def old_comp(other)
-        return unless Gem::Version === other
-        return 0 if @version == other._version || canonical_segments == other.canonical_segments
-
-        lhsegments = canonical_segments
-        rhsegments = other.canonical_segments
-
-        lhsize = lhsegments.size
-        rhsize = rhsegments.size
-        limit  = (lhsize > rhsize ? lhsize : rhsize) - 1
-
-        i = 0
-
-        while i <= limit
-          lhs, rhs = lhsegments[i] || 0, rhsegments[i] || 0
-          i += 1
-
-          next      if lhs == rhs
-          return -1 if String  === lhs && Numeric === rhs
-          return  1 if Numeric === lhs && String  === rhs
-
-          return lhs <=> rhs
-        end
-
-        return 0
-      end
-      # rubocop:enable Metrics/PerceivedComplexity
-      # rubocop:enable Style/CaseEquality
-      # rubocop:enable Style/ParallelAssignment
-      # rubocop:enable Style/RedundantReturn
     end
   end
 end