diff --git a/core/process.rbs b/core/process.rbs
index a58dba2b9..5ad8f2a39 100644
--- a/core/process.rbs
+++ b/core/process.rbs
@@ -1861,6 +1861,7 @@ class Process::Status < Object
   #
   # ArgumentError is raised if `mask` is negative.
   #
+  %a{deprecated}
   def &: (Integer num) -> Integer
 
   # <!--
@@ -1893,6 +1894,7 @@ class Process::Status < Object
   #
   # ArgumentError is raised if `places` is negative.
   #
+  %a{deprecated}
   def >>: (Integer num) -> Integer
 
   # <!--
diff --git a/core/string.rbs b/core/string.rbs
index b28e1bb59..cc3a77c07 100644
--- a/core/string.rbs
+++ b/core/string.rbs
@@ -1547,6 +1547,7 @@ class String
   # hashing algorithms, install the string-crypt gem and `require 'string/crypt'`
   # to continue using it.
   #
+  %a{deprecated}
   def crypt: (string salt_str) -> String
 
   # <!-- rdoc-file=string.c -->