diff --git a/modules/pacing/pacing_controller.cc b/modules/pacing/pacing_controller.cc
index 9d08291280..9aded858b8 100644
--- a/modules/pacing/pacing_controller.cc
+++ b/modules/pacing/pacing_controller.cc
@@ -72,12 +72,6 @@ const TimeDelta PacingController::kMinSleepTime = TimeDelta::Millis(1);
 const TimeDelta PacingController::kMaxEarlyProbeProcessing =
     TimeDelta::Millis(1);
 
-PacingController::PacingController(Clock* clock,
-                                   PacketSender* packet_sender,
-                                   const FieldTrialsView& field_trials,
-                                   ProcessMode /*mode*/)
-    : PacingController(clock, packet_sender, field_trials) {}
-
 PacingController::PacingController(Clock* clock,
                                    PacketSender* packet_sender,
                                    const FieldTrialsView& field_trials)
diff --git a/modules/pacing/pacing_controller.h b/modules/pacing/pacing_controller.h
index dbebf929c4..d11ff5b96f 100644
--- a/modules/pacing/pacing_controller.h
+++ b/modules/pacing/pacing_controller.h
@@ -18,7 +18,6 @@
 #include <memory>
 #include <vector>
 
-#include "absl/base/attributes.h"
 #include "absl/types/optional.h"
 #include "api/field_trials_view.h"
 #include "api/function_view.h"
@@ -42,10 +41,6 @@ namespace webrtc {
 // externally, via the PacingController::PacketSender interface.
 class PacingController {
  public:
-  // TODO(bugs.webrtc.org/10809): Remove when downsteam usage is gone.
-  // Deprecated, ignored by constructor.
-  enum class ProcessMode { kPeriodic, kDynamic };
-
   class PacketSender {
    public:
     virtual ~PacketSender() = default;
@@ -125,12 +120,6 @@ class PacingController {
                    PacketSender* packet_sender,
                    const FieldTrialsView& field_trials);
 
-  ABSL_DEPRECATED("Use constructor without mode parameter instead.")
-  PacingController(Clock* clock,
-                   PacketSender* packet_sender,
-                   const FieldTrialsView& field_trials,
-                   ProcessMode mode);
-
   ~PacingController();
 
   // Adds the packet to the queue and calls PacketRouter::SendPacket() when