diff --git a/lib/sentry/client.ex b/lib/sentry/client.ex
index 1e78c65c..c3fa1efe 100644
--- a/lib/sentry/client.ex
+++ b/lib/sentry/client.ex
@@ -107,11 +107,8 @@ defmodule Sentry.Client do
       {:ok, id} ->
         {:ok, id}
 
-      {:error, {status, headers, body}} ->
-        {:error, ClientError.server_error(status, headers, body)}
-
-      {:error, reason} ->
-        {:error, ClientError.new(reason)}
+      {:error, %ClientError{} = error} ->
+        {:error, error}
     end
   end
 
diff --git a/lib/sentry/opentelemetry/span_record.ex b/lib/sentry/opentelemetry/span_record.ex
index dc5c4cd4..d314e3b4 100644
--- a/lib/sentry/opentelemetry/span_record.ex
+++ b/lib/sentry/opentelemetry/span_record.ex
@@ -1,5 +1,6 @@
 defmodule Sentry.Opentelemetry.SpanRecord do
   require Record
+  require OpenTelemetry
 
   @fields Record.extract(:span, from_lib: "opentelemetry/include/otel_span.hrl")
   Record.defrecordp(:span, @fields)
@@ -54,7 +55,7 @@ defmodule Sentry.Opentelemetry.SpanRecord do
   defp cast_timestamp(nil), do: nil
 
   defp cast_timestamp(timestamp) do
-    nano_timestamp = :opentelemetry.timestamp_to_nano(timestamp)
+    nano_timestamp = OpenTelemetry.timestamp_to_nano(timestamp)
     {:ok, datetime} = DateTime.from_unix(div(nano_timestamp, 1_000_000), :millisecond)
 
     DateTime.to_iso8601(datetime)
diff --git a/lib/sentry/transport/sender.ex b/lib/sentry/transport/sender.ex
index 923a7a63..72ce407f 100644
--- a/lib/sentry/transport/sender.ex
+++ b/lib/sentry/transport/sender.ex
@@ -3,7 +3,7 @@ defmodule Sentry.Transport.Sender do
 
   use GenServer
 
-  alias Sentry.{Envelope, Event, Transport, Transaction, LoggerUtils}
+  alias Sentry.{Envelope, Event, Transport, Transaction}
 
   require Logger
 
@@ -61,64 +61,14 @@ defmodule Sentry.Transport.Sender do
 
   @impl GenServer
   def handle_cast({:send, client, %Transaction{} = transaction}, %__MODULE__{} = state) do
-    envelope = Envelope.from_transaction(transaction)
-
-    envelope
-    |> Transport.encode_and_post_envelope(client)
-    |> maybe_log_send_result([transaction])
+    _ =
+      transaction
+      |> Envelope.from_transaction()
+      |> Transport.encode_and_post_envelope(client)
 
-    # We sent an event, so we can decrease the number of queued events.
-    Transport.SenderPool.decrease_queued_events_counter()
+    # We sent a transaction, so we can decrease the number of queued transactions.
+    Transport.SenderPool.decrease_queued_transactions_counter()
 
     {:noreply, state}
   end
-
-  ## Helpers
-
-  defp maybe_log_send_result(send_result, events) do
-    if Enum.any?(events, fn item ->
-         case item do
-           %Event{} -> item.source == :logger
-           _ -> false
-         end
-       end) do
-      :ok
-    else
-      message =
-        case send_result do
-          {:error, {:invalid_json, error}} ->
-            "Unable to encode JSON Sentry error - #{inspect(error)}"
-
-          {:error, {:request_failure, last_error}} ->
-            case last_error do
-              {kind, data, stacktrace}
-              when kind in [:exit, :throw, :error] and is_list(stacktrace) ->
-                Exception.format(kind, data, stacktrace)
-
-              _other ->
-                "Error in HTTP Request to Sentry - #{inspect(last_error)}"
-            end
-
-          {:error, http_reponse} ->
-            {status, headers, _body} = http_reponse
-
-            error_header =
-              :proplists.get_value("X-Sentry-Error", headers, nil) ||
-                :proplists.get_value("x-sentry-error", headers, nil) || ""
-
-            if error_header != "" do
-              "Received #{status} from Sentry server: #{error_header}"
-            else
-              "Received #{status} from Sentry server"
-            end
-
-          result ->
-            result
-        end
-
-      if message do
-        LoggerUtils.log(fn -> ["Failed to send Sentry event. ", message] end)
-      end
-    end
-  end
 end
diff --git a/lib/sentry/transport/sender_pool.ex b/lib/sentry/transport/sender_pool.ex
index b247441a..e620cb6c 100644
--- a/lib/sentry/transport/sender_pool.ex
+++ b/lib/sentry/transport/sender_pool.ex
@@ -58,6 +58,12 @@ defmodule Sentry.Transport.SenderPool do
     :counters.sub(counter, 1, 1)
   end
 
+  @spec decrease_queued_transactions_counter() :: :ok
+  def decrease_queued_transactions_counter do
+    counter = :persistent_term.get(@queued_transactions_key)
+    :counters.sub(counter, 1, 1)
+  end
+
   @spec get_queued_events_counter() :: non_neg_integer()
   def get_queued_events_counter do
     counter = :persistent_term.get(@queued_events_key)