diff --git a/README.md b/README.md
index 8911765..441657d 100644
--- a/README.md
+++ b/README.md
@@ -50,8 +50,6 @@ Trestle.configure do |config|
       :code
     ] # also includes [:hr, :paste] on TinyMCE 5
     c.toolbar = "styleselect | bold italic underline strikethrough | subscript superscript hr | alignleft aligncenter alignright alignjustify | bullist numlist | indent outdent | undo redo | link unlink | image charmap table | code"
-    c.toolbar_mode = "floating"
-    c.toolbar_sticky = true
     c.link_context_toolbar = true
     c.convert_urls = false
   end
diff --git a/config/initializers/trestle.rb b/config/initializers/trestle.rb
index 201f826..9004a32 100644
--- a/config/initializers/trestle.rb
+++ b/config/initializers/trestle.rb
@@ -16,8 +16,6 @@
     ]
     c.plugins << :hr << :paste if Trestle::TinyMCE.tinymce_major_version == 5
     c.toolbar = "styleselect | bold italic underline strikethrough | subscript superscript hr | alignleft aligncenter alignright alignjustify | bullist numlist | indent outdent | undo redo | link unlink | image charmap table | code"
-    c.toolbar_mode = "floating"
-    c.toolbar_sticky = true
     c.link_context_toolbar = true
     c.convert_urls = false
   end