diff --git a/app/controllers/kalibro_ranges_controller.rb b/app/controllers/kalibro_ranges_controller.rb
index 883d716..e9e983c 100644
--- a/app/controllers/kalibro_ranges_controller.rb
+++ b/app/controllers/kalibro_ranges_controller.rb
@@ -46,7 +46,6 @@ class KalibroRangesController < ApplicationController
   private
 
   def kalibro_range_params
-    params[:kalibro_range][:beginning] = params[:kalibro_range][:beginning].to_f.to_s if numeric?(params[:kalibro_range][:beginning]) # this is necessary for the beginning validator
     params[:kalibro_range]
   end
 
@@ -87,11 +86,6 @@ class KalibroRangesController < ApplicationController
     @metric_configuration_id = params[:metric_configuration_id].to_i
   end
 
-  # used on kalibro_range_params
-  def numeric?(text)
-    Float(text) != nil rescue false
-  end
-
   def set_kalibro_range
     @kalibro_range = KalibroRange.find(params[:id].to_i)
   end
--
libgit2 0.21.2