diff --git a/sorbet/rbi/hidden-definitions/hidden.rbi b/sorbet/rbi/hidden-definitions/hidden.rbi
index bfb41d47d..fb8069e8f 100644
--- a/sorbet/rbi/hidden-definitions/hidden.rbi
+++ b/sorbet/rbi/hidden-definitions/hidden.rbi
@@ -3436,10 +3436,6 @@ module DidYouMean
   def self.formatter=(formatter); end
 end
 
-module Digest
-  VERSION = ::T.let(nil, ::T.untyped)
-end
-
 class Dir
   def children(); end
 
@@ -3494,10 +3490,6 @@ class Encoding
   def self._load(arg); end
 end
 
-module Enumerable
-  def sum(*arg); end
-end
-
 class Enumerator
   def +(arg); end
 
@@ -6258,6 +6250,8 @@ class OpenStruct
 
   def freeze!(); end
 
+  def gem!(dep, *reqs); end
+
   def hash!(); end
 
   def init_with(coder); end