diff --git a/railties/lib/rails/engine.rb b/railties/lib/rails/engine.rb
index 1dede32dd4..64c15f8f89 100644
--- a/railties/lib/rails/engine.rb
+++ b/railties/lib/rails/engine.rb
@@ -357,12 +357,7 @@ module Rails
           Rails::Railtie::Configuration.eager_load_namespaces << base
 
           base.called_from = begin
-            call_stack = if Kernel.respond_to?(:caller_locations)
-              caller_locations.map { |l| l.absolute_path || l.path }
-            else
-              # Remove the line number from backtraces making sure we don't leave anything behind
-              caller.map { |p| p.sub(/:\d+.*/, '') }
-            end
+            call_stack = caller_locations.map { |l| l.absolute_path || l.path }
 
             File.dirname(call_stack.detect { |p| p !~ %r[railties[\w.-]*/lib/rails|rack[\w.-]*/lib/rack] })
           end