diff --git a/Library/Homebrew/extend/os/linux/dev-cmd/determine-test-runners.rb b/Library/Homebrew/extend/os/linux/dev-cmd/determine-test-runners.rb
index e4980ce09e..fc0b4315c5 100755
--- a/Library/Homebrew/extend/os/linux/dev-cmd/determine-test-runners.rb
+++ b/Library/Homebrew/extend/os/linux/dev-cmd/determine-test-runners.rb
@@ -81,16 +81,16 @@ module Homebrew
     testing_formulae.any? do |formula|
       # If the formula has a platform/arch/macOS version requirement, then its
       # dependents don't need to be tested if these requirements are not satisfied.
-      next false if reject_platform && formula.method(:"#{reject_platform}_only?").call
-      next false if reject_arch && formula.method(:"#{reject_arch}_only?").call
+      next false if reject_platform && formula.send(:"#{reject_platform}_only?")
+      next false if reject_arch && formula.send(:"#{reject_arch}_only?")
       next false if select_macos_version && !formula.compatible_with?(select_macos_version)
 
       compatible_dependents = formula.dependents.dup
 
-      compatible_dependents.reject! { |dependent_f| dependent_f.method(:"#{reject_arch}_only?").call } if reject_arch
+      compatible_dependents.reject! { |dependent_f| dependent_f.send(:"#{reject_arch}_only?")} if reject_arch
 
       if reject_platform
-        compatible_dependents.reject! { |dependent_f| dependent_f.method(:"#{reject_platform}_only?").call }
+        compatible_dependents.reject! { |dependent_f| dependent_f.send(:"#{reject_platform}_only?") }
       end
 
       if select_macos_version
@@ -129,9 +129,9 @@ module Homebrew
 
       compatible_formulae = formulae.dup
 
-      compatible_formulae.reject! { |formula| formula.method(:"#{reject_arch}_only?").call } if reject_arch
+      compatible_formulae.reject! { |formula| formula.send(:"#{reject_platform}_only?") } if reject_platform
+      compatible_formulae.reject! { |formula| formula.send(:"#{reject_arch}_only?") } if reject_arch
       compatible_formulae.select! { |formula| formula.compatible_with?(select_macos_version) } if select_macos_version
-      compatible_formulae.reject! { |formula| formula.method(:"#{reject_platform}_only?").call } if reject_platform
 
       compatible_formulae.present?
     end
diff --git a/Library/Homebrew/test/dev-cmd/determine-test-runners_spec.rb b/Library/Homebrew/test/dev-cmd/determine-test-runners_spec.rb
index 27576dd959..1cea8aee8f 100644
--- a/Library/Homebrew/test/dev-cmd/determine-test-runners_spec.rb
+++ b/Library/Homebrew/test/dev-cmd/determine-test-runners_spec.rb
@@ -16,7 +16,7 @@ describe "brew determine-test-runners" do
   let(:arm64_runners) { all_runners - intel_runners }
   let(:macos_runners) { all_runners - [linux_runner] }
   # We need to make sure we write to a different path for each example.
-  let(:github_output) { "#{TEST_TMPDIR}/github_output#{TestRunnerTestHelper.new.number}" }
+  let(:github_output) { "#{TEST_TMPDIR}/github_output#{DetermineRunnerTestHelper.new.number}" }
   let(:ephemeral_suffix) { "-12345-1" }
   let(:runner_env) do
     {
@@ -158,7 +158,7 @@ def get_runners(file)
              .sort
 end
 
-class TestRunnerTestHelper
+class DetermineRunnerTestHelper
   @instances = 0
 
   class << self