core/modules/editor/editor.module |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/core/modules/editor/editor.module b/core/modules/editor/editor.module
index e843c2d..f55a365 100644
--- a/core/modules/editor/editor.module
+++ b/core/modules/editor/editor.module
@@ -379,6 +379,10 @@ function editor_pre_render_format($element) {
     $element['format']['format']['#attributes']['data-editor-for'] = $field_id;
   }
 
+  // Hide the text format's filters' guidelines: they're rather useless when
+  // using a text editor.
+  unset($element['format']['guidelines']);
+
   // Attach Text Editor module's (this module) library.
   $element['#attached']['library'][] = array('editor', 'drupal.editor');