diff --git a/Library/Homebrew/missing_formula.rb b/Library/Homebrew/missing_formula.rb
index 69c76c0aef..958602973e 100644
--- a/Library/Homebrew/missing_formula.rb
+++ b/Library/Homebrew/missing_formula.rb
@@ -36,14 +36,6 @@ module Homebrew
           lzma is now part of the xz formula:
             brew install xz
         EOS
-        when "gtest", "googletest", "google-test" then <<~EOS
-          Installing gtest system-wide is not recommended; it should be vendored
-          in your projects that use it.
-        EOS
-        when "gmock", "googlemock", "google-mock" then <<~EOS
-          Installing gmock system-wide is not recommended; it should be vendored
-          in your projects that use it.
-        EOS
         when "sshpass" then <<~EOS
           We won't add sshpass because it makes it too easy for novice SSH users to
           ruin SSH's security.
diff --git a/Library/Homebrew/test/missing_formula_spec.rb b/Library/Homebrew/test/missing_formula_spec.rb
index 14fb5bdcff..56985f3478 100644
--- a/Library/Homebrew/test/missing_formula_spec.rb
+++ b/Library/Homebrew/test/missing_formula_spec.rb
@@ -23,8 +23,6 @@ describe Homebrew::MissingFormula do
     it { is_expected.to disallow("pil") }
     it { is_expected.to disallow("macruby") }
     it { is_expected.to disallow("lzma") }
-    it { is_expected.to disallow("gtest") }
-    it { is_expected.to disallow("gmock") }
     it { is_expected.to disallow("sshpass") }
     it { is_expected.to disallow("gsutil") }
     it { is_expected.to disallow("gfortran") }