diff --git a/lib/ovirt_metrics/configurator.rb b/lib/ovirt_metrics/configurator.rb
index 8771375..e20bd90 100644
--- a/lib/ovirt_metrics/configurator.rb
+++ b/lib/ovirt_metrics/configurator.rb
@@ -10,15 +10,7 @@ def initialize
     attr_reader :connection_specification_name
 
     def connection_specification_name=(value)
-      if ActiveRecord::VERSION::MAJOR < 5
-        OvirtMetrics.warn "WARNING: ovirt_metric's " \
-          "connection_specification_name option is only available with " \
-          "Active Record 5 or newer. The main application pool " \
-          "('primary') will be used by default until you connect to a " \
-          "separate Ovirt database."
-      else
-        @connection_specification_name = value
-      end
+      @connection_specification_name = value
     end
   end
 end