diff --git a/config/initializers/constants.rb b/config/initializers/constants.rb
index 8d2ed47e7..49ca96e3f 100644
--- a/config/initializers/constants.rb
+++ b/config/initializers/constants.rb
@@ -64,8 +64,6 @@ class Constants
   ATWHO_SEARCH_LIMIT = 5
   # Max characters for repository name in Atwho modal
   ATWHO_REP_NAME_LIMIT = 16
-  # Number of protocols in recent protocol dropdown
-  RECENT_PROTOCOL_LIMIT = 14
 
   #=============================================================================
   # File and data memory size