diff --git a/Library/Homebrew/github_runner_matrix.rb b/Library/Homebrew/github_runner_matrix.rb
index a5a61496ed..75b8af43b5 100644
--- a/Library/Homebrew/github_runner_matrix.rb
+++ b/Library/Homebrew/github_runner_matrix.rb
@@ -136,8 +136,7 @@ class GitHubRunnerMatrix
       next unless macos_version >= :big_sur
 
       # Use bare metal runner when testing dependents on ARM64 Monterey.
-      use_ephemeral = (macos_version >= :ventura && @dependent_matrix) ||
-                      (macos_version >= :monterey && !@dependent_matrix)
+      use_ephemeral = macos_version >= (@dependent_matrix ? :ventura : :monterey)
       runner, cleanup = if use_ephemeral
         ["#{version}-arm64#{ephemeral_suffix}", false]
       else
@@ -164,9 +163,12 @@ class GitHubRunnerMatrix
       arch = runner.arch
       macos_version = runner.macos_version
 
-      compatible_formulae.select! { |formula| formula.public_send(:"#{platform}_compatible?") }
-      compatible_formulae.select! { |formula| formula.public_send(:"#{arch}_compatible?") }
-      compatible_formulae.select! { |formula| formula.compatible_with?(macos_version) } if macos_version
+      compatible_formulae.select! do |formula|
+        next false if macos_version && !formula.compatible_with?(macos_version)
+
+        formula.public_send(:"#{platform}_compatible?") &&
+          formula.public_send(:"#{arch}_compatible?")
+      end
 
       compatible_formulae.present?
     end
@@ -188,9 +190,12 @@ class GitHubRunnerMatrix
       compatible_dependents = formula.dependents(platform: platform, arch: arch, macos_version: macos_version&.to_sym)
                                      .dup
 
-      compatible_dependents.select! { |dependent_f| dependent_f.public_send(:"#{platform}_compatible?") }
-      compatible_dependents.select! { |dependent_f| dependent_f.public_send(:"#{arch}_compatible?") }
-      compatible_dependents.select! { |dependent_f| dependent_f.compatible_with?(macos_version) } if macos_version
+      compatible_dependents.select! do |dependent_f|
+        next false if macos_version && !dependent_f.compatible_with?(macos_version)
+
+        dependent_f.public_send(:"#{platform}_compatible?") &&
+          dependent_f.public_send(:"#{arch}_compatible?")
+      end
 
       # These arrays will generally have been generated by different Formulary caches,
       # so we can only compare them by name and not directly.