diff --git a/cms/envs/common.py b/cms/envs/common.py
index 757a565e38..bcd96c52b4 100644
--- a/cms/envs/common.py
+++ b/cms/envs/common.py
@@ -1113,7 +1113,7 @@ CREDIT_PROVIDER_TIMESTAMP_EXPIRATION = 15 * 60
 
 ################################ Deprecated Blocks Info ################################
 
-DEPRECATED_BLOCK_TYPES = []
+DEPRECATED_BLOCK_TYPES = ['peergrading', 'combinedopenended']
 
 #### PROCTORING CONFIGURATION DEFAULTS