diff --git a/deployment/horizon/horizon-container-puppet.yaml b/deployment/horizon/horizon-container-puppet.yaml
index 9fc79461d5..202746cf05 100644
--- a/deployment/horizon/horizon-container-puppet.yaml
+++ b/deployment/horizon/horizon-container-puppet.yaml
@@ -36,9 +36,6 @@ parameters:
     default: {}
     description: Parameters specific to the role
     type: json
-  EnableInternalTLS:
-    type: boolean
-    default: false
   Debug:
     default: false
     description: Set to True to enable debugging on all services.