2 files changed, 8 insertions, 5 deletions
diff --git a/lib/asciidoctor/interdoc_reftext.rb b/lib/asciidoctor/interdoc_reftext.rb
index dc884cb..165bd13 100644
--- a/lib/asciidoctor/interdoc_reftext.rb
+++ b/lib/asciidoctor/interdoc_reftext.rb
@@ -1,9 +1,12 @@
 # frozen_string_literal: true
-require 'asciidoctor' unless RUBY_PLATFORM == 'opal'
-require 'asciidoctor/extensions' unless RUBY_PLATFORM == 'opal'
 require 'asciidoctor/interdoc_reftext/version'
 require 'asciidoctor/interdoc_reftext/processor'
 
-Asciidoctor::Extensions.register do
-  treeprocessor Asciidoctor::InterdocReftext::Processor
+unless RUBY_PLATFORM == 'opal'
+  require 'asciidoctor'
+  require 'asciidoctor/extensions'
+
+  Asciidoctor::Extensions.register do
+    treeprocessor Asciidoctor::InterdocReftext::Processor
+  end
 end
diff --git a/lib/asciidoctor/interdoc_reftext/version.rb b/lib/asciidoctor/interdoc_reftext/version.rb
index 2913b0e..d52fde6 100644
--- a/lib/asciidoctor/interdoc_reftext/version.rb
+++ b/lib/asciidoctor/interdoc_reftext/version.rb
@@ -3,6 +3,6 @@
 module Asciidoctor
   module InterdocReftext
     # Version of the asciidoctor-interdoc-reftext gem.
-    VERSION = '0.3.0'.freeze
+    VERSION = '0.3.0'
   end
 end