diff --git a/lib/buildkite/test_collector.rb b/lib/buildkite/test_collector.rb
index 64d9136..7abd033 100644
--- a/lib/buildkite/test_collector.rb
+++ b/lib/buildkite/test_collector.rb
@@ -11,7 +11,6 @@ module TestCollector
 require "time"
 require "timeout"
 require "tmpdir"
-require "securerandom"
 
 require "active_support/core_ext/object/blank"
 require "active_support/core_ext/hash/indifferent_access"
@@ -26,6 +25,7 @@ module TestCollector
 require_relative "test_collector/object"
 require_relative "test_collector/tracer"
 require_relative "test_collector/session"
+require_relative "test_collector/uuid"
 
 module Buildkite
   module TestCollector
diff --git a/lib/buildkite/test_collector/ci.rb b/lib/buildkite/test_collector/ci.rb
index d8f34a2..aeb39d4 100644
--- a/lib/buildkite/test_collector/ci.rb
+++ b/lib/buildkite/test_collector/ci.rb
@@ -21,7 +21,7 @@ def ci_env
 
     {
       "CI" => nil,
-      "key" => SecureRandom.uuid,
+      "key" => Buildkite::TestCollector::UUID.call,
     }
   end
 
@@ -44,7 +44,7 @@ def analytics_env
   def generic
     {
       "CI" => "generic",
-      "key" => SecureRandom.uuid,
+      "key" => Buildkite::TestCollector::UUID.call,
     }
   end
 
diff --git a/lib/buildkite/test_collector/library_hooks/rspec.rb b/lib/buildkite/test_collector/library_hooks/rspec.rb
index 76918cb..de5e79c 100644
--- a/lib/buildkite/test_collector/library_hooks/rspec.rb
+++ b/lib/buildkite/test_collector/library_hooks/rspec.rb
@@ -30,7 +30,7 @@
 
   config.after(:suite) do
     if Buildkite::TestCollector.artifact_path
-      filename = File.join(Buildkite::TestCollector.artifact_path, "buildkite-test-collector-rspec-#{SecureRandom.uuid}.json.gz")
+      filename = File.join(Buildkite::TestCollector.artifact_path, "buildkite-test-collector-rspec-#{Buildkite::TestCollector::UUID.call}.json.gz")
       data_set = { results: Buildkite::TestCollector.uploader.traces.values.map(&:as_hash) }
       File.open(filename, "wb") do |f|
         gz = Zlib::GzipWriter.new(f)
diff --git a/lib/buildkite/test_collector/minitest_plugin/trace.rb b/lib/buildkite/test_collector/minitest_plugin/trace.rb
index 907841d..9b3e1d2 100644
--- a/lib/buildkite/test_collector/minitest_plugin/trace.rb
+++ b/lib/buildkite/test_collector/minitest_plugin/trace.rb
@@ -4,7 +4,7 @@ module Buildkite::TestCollector::MinitestPlugin
   class Trace
     attr_accessor :example
     attr_writer :failure_reason, :failure_expanded
-    attr_reader :id, :history
+    attr_reader :history
 
     RESULT_CODES = {
       '.' => 'passed',
@@ -16,7 +16,6 @@ class Trace
     FILE_PATH_REGEX = /^(.*?\.(rb|feature))/
 
     def initialize(example, history:)
-      @id = SecureRandom.uuid
       @example = example
       @history = history
     end
@@ -31,7 +30,6 @@ def source_location
 
     def as_hash
       strip_invalid_utf8_chars(
-        id: id,
         scope: example.class.name,
         name: example.name,
         location: location,
diff --git a/lib/buildkite/test_collector/rspec_plugin/trace.rb b/lib/buildkite/test_collector/rspec_plugin/trace.rb
index a76ce88..6af52b9 100644
--- a/lib/buildkite/test_collector/rspec_plugin/trace.rb
+++ b/lib/buildkite/test_collector/rspec_plugin/trace.rb
@@ -3,12 +3,11 @@
 module Buildkite::TestCollector::RSpecPlugin
   class Trace
     attr_accessor :example, :failure_reason, :failure_expanded
-    attr_reader :id, :history
+    attr_reader :history
 
     FILE_PATH_REGEX = /^(.*?\.(rb|feature))/
 
     def initialize(example, history:, failure_reason: nil, failure_expanded: [])
-      @id = SecureRandom.uuid
       @example = example
       @history = history
       @failure_reason = failure_reason
@@ -25,7 +24,6 @@ def result
 
     def as_hash
       strip_invalid_utf8_chars(
-        id: id,
         scope: example.example_group.metadata[:full_description],
         name: example.description,
         location: example.location,
diff --git a/lib/buildkite/test_collector/uuid.rb b/lib/buildkite/test_collector/uuid.rb
new file mode 100644
index 0000000..dca6c08
--- /dev/null
+++ b/lib/buildkite/test_collector/uuid.rb
@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+require "securerandom"
+
+class Buildkite::TestCollector::UUID
+  GET_UUID = SecureRandom.method(:uuid)
+  private_constant :GET_UUID
+
+  def self.call
+    GET_UUID.call
+  end
+end
diff --git a/spec/test_collector/ci_spec.rb b/spec/test_collector/ci_spec.rb
index 4904f15..7a17fb8 100644
--- a/spec/test_collector/ci_spec.rb
+++ b/spec/test_collector/ci_spec.rb
@@ -3,7 +3,7 @@
 RSpec.describe Buildkite::TestCollector::CI do
   describe ".env" do
     let(:ci) { "true" }
-    let(:key) { SecureRandom.uuid }
+    let(:key) { Buildkite::TestCollector::UUID.call }
     let(:url) { "http://example.com" }
     let(:branch) { "not-main" }
     let(:sha) { "a2c5ef54" }
@@ -239,7 +239,7 @@
       before do
         fake_env("CI", ci)
 
-        allow(SecureRandom).to receive(:uuid) { "845ac829-2ab3-4bbb-9e24-3529755a6d37" }
+        allow(Buildkite::TestCollector::UUID).to receive(:call) { "845ac829-2ab3-4bbb-9e24-3529755a6d37" }
       end
 
       it "returns all env" do
@@ -287,7 +287,7 @@
 
     context "when not running on a CI platform" do
       before do
-        allow(SecureRandom).to receive(:uuid) { "845ac829-2ab3-4bbb-9e24-3529755a6d37" }
+        allow(Buildkite::TestCollector::UUID).to receive(:call) { "845ac829-2ab3-4bbb-9e24-3529755a6d37" }
       end
 
       it "returns all env" do
diff --git a/spec/test_collector/http_client_spec.rb b/spec/test_collector/http_client_spec.rb
index 1345b3b..cedf98a 100644
--- a/spec/test_collector/http_client_spec.rb
+++ b/spec/test_collector/http_client_spec.rb
@@ -31,7 +31,6 @@
       },
       "format": "json",
       "data": [{
-        "id": trace.id,
         "scope": "i love to eat pies",
         "name": "mince and cheese",
         "location": "123 Pie St",