diff --git a/Library/Homebrew/extend/ENV/super.rb b/Library/Homebrew/extend/ENV/super.rb
index 692fd36239..b518c22a1c 100644
--- a/Library/Homebrew/extend/ENV/super.rb
+++ b/Library/Homebrew/extend/ENV/super.rb
@@ -138,7 +138,6 @@ module Superenv
 
   def determine_pkg_config_libdir
     PATH.new(
-      "/usr/lib/pkgconfig",
       homebrew_extra_pkg_config_paths,
     ).existing
   end
diff --git a/Library/Homebrew/extend/os/mac/extend/ENV/super.rb b/Library/Homebrew/extend/os/mac/extend/ENV/super.rb
index f97a2dbbbf..9c20cc7c6f 100644
--- a/Library/Homebrew/extend/os/mac/extend/ENV/super.rb
+++ b/Library/Homebrew/extend/os/mac/extend/ENV/super.rb
@@ -28,7 +28,7 @@ module Superenv
   # @private
   def homebrew_extra_pkg_config_paths
     paths = \
-      ["#{HOMEBREW_LIBRARY}/Homebrew/os/mac/pkgconfig/#{MacOS.version}"]
+      ["/usr/lib/pkgconfig", "#{HOMEBREW_LIBRARY}/Homebrew/os/mac/pkgconfig/#{MacOS.version}"]
     paths << "#{MacOS::X11.lib}/pkgconfig" << "#{MacOS::X11.share}/pkgconfig" if x11?
     paths
   end