diff --git a/Gemfile b/Gemfile
index 51f4ee7..e5de560 100644
--- a/Gemfile
+++ b/Gemfile
@@ -7,7 +7,6 @@ gem 'asciidoctor-foodogsquared-extensions', path: './gems'
 gem 'asciidoctor-html5s'
 gem 'asciidoctor-rouge'
 gem 'asciidoctor-tabs', github: 'asciidoctor/asciidoctor-tabs'
-gem 'asciidoctor-interdoc-reftext'
 gem 'concurrent-ruby'
 gem 'open-uri-cached'
 gem 'rouge'
diff --git a/Gemfile.lock b/Gemfile.lock
index c805b42..3d9c921 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -24,8 +24,6 @@ GEM
     asciidoctor-html5s (0.5.1)
       asciidoctor (>= 1.5.7, < 3.0)
       thread_safe (~> 0.3.4)
-    asciidoctor-interdoc-reftext (0.5.2)
-      asciidoctor (>= 1.5.6, < 3.0)
     asciidoctor-rouge (0.4.0)
       asciidoctor (>= 1.5.6, < 2.1)
       rouge (>= 2.2, < 4)
@@ -93,7 +91,6 @@ DEPENDENCIES
   asciidoctor-bibtex
   asciidoctor-foodogsquared-extensions!
   asciidoctor-html5s
-  asciidoctor-interdoc-reftext
   asciidoctor-rouge
   asciidoctor-tabs!
   concurrent-ruby
diff --git a/gemset.nix b/gemset.nix
index c10f01f..0846a6b 100644
--- a/gemset.nix
+++ b/gemset.nix
@@ -48,19 +48,6 @@
     targets = [];
     version = "0.5.1";
   };
-  asciidoctor-interdoc-reftext = {
-    dependencies = ["asciidoctor"];
-    groups = ["default"];
-    platforms = [];
-    source = {
-      remotes = ["https://rubygems.org"];
-      sha256 = "0xnshlk8gniknys4dplj95swip198c1z6h0rv5bmm791ln36lgpa";
-      target = "ruby";
-      type = "gem";
-    };
-    targets = [];
-    version = "0.5.2";
-  };
   asciidoctor-rouge = {
     dependencies = ["asciidoctor" "rouge"];
     groups = ["default"];