diff --git a/core/themes/classy/classy.info.yml b/core/themes/classy/classy.info.yml
index 4217c4a..7e74173 100644
--- a/core/themes/classy/classy.info.yml
+++ b/core/themes/classy/classy.info.yml
@@ -4,7 +4,6 @@ description: 'A base theme with sensible default CSS classes added. Learn how to
 package: Core
 version: VERSION
 core: 8.x
-base theme: stable
 
 libraries:
   - classy/base