diff --git a/Library/Homebrew/extend/os/mac/hardware.rb b/Library/Homebrew/extend/os/mac/hardware.rb
index 0649eddaa9..fb5d8bd58e 100644
--- a/Library/Homebrew/extend/os/mac/hardware.rb
+++ b/Library/Homebrew/extend/os/mac/hardware.rb
@@ -7,8 +7,6 @@ module Hardware
   def self.oldest_cpu(version = MacOS.version)
     if CPU.arch == :arm64
       :arm_vortex_tempest
-    elsif version >= :big_sur
-      :ivybridge
     elsif version >= :mojave
       :nehalem
     else