diff --git a/lib/elastic_apm/transaction.rb b/lib/elastic_apm/transaction.rb
index fefec9253..8b2fd5b2e 100644
--- a/lib/elastic_apm/transaction.rb
+++ b/lib/elastic_apm/transaction.rb
@@ -87,17 +87,7 @@ def initialize(
     end
     # rubocop:enable Metrics/ParameterLists
 
-    attr_accessor(
-      :name,
-      :type,
-      :result,
-      :outcome,
-      :sampled,
-      :sample_rate,
-      :started_spans,
-      :clock_start, 
-      :timestamp
-    )
+    attr_accessor :name, :type, :result, :outcome, :clock_start, :timestamp
 
     attr_reader(
       :breakdown_metrics,
@@ -111,7 +101,6 @@ def initialize(
       :sample_rate,
       :span_frames_min_duration,
       :started_spans,
-      :timestamp,
       :trace_context,
       :transaction_max_spans,
       :config