diff --git a/Library/Homebrew/cask/dsl.rb b/Library/Homebrew/cask/dsl.rb
index 2387eabb30..ca35eebe39 100644
--- a/Library/Homebrew/cask/dsl.rb
+++ b/Library/Homebrew/cask/dsl.rb
@@ -161,8 +161,6 @@ module Cask
       @token = T.let(cask.token, String)
       @url = T.let(nil, T.nilable(URL))
       @version = T.let(nil, T.nilable(DSL::Version))
-
-      set_no_autobump!
     end
 
     sig { returns(T::Boolean) }
@@ -177,13 +175,6 @@ module Cask
     sig { returns(T::Boolean) }
     def livecheck_defined? = @livecheck_defined
 
-    sig { void }
-    def set_no_autobump!
-      return if @livecheck.strategy != :extract_plist
-
-      no_autobump! because: :extract_plist
-    end
-
     sig { returns(T::Boolean) }
     def on_system_blocks_exist? = @on_system_blocks_exist
 
@@ -547,6 +538,8 @@ module Cask
 
       @livecheck_defined = true
       @livecheck.instance_eval(&block)
+      no_autobump! because: :extract_plist if @livecheck.strategy == :extract_plist
+      @livecheck
     end
 
     # Whether the cask contains a `livecheck` block. This is a legacy alias