diff --git a/api/test/simulated_network.h b/api/test/simulated_network.h
index 4ddc4377d1..89345f539a 100644
--- a/api/test/simulated_network.h
+++ b/api/test/simulated_network.h
@@ -64,6 +64,11 @@ class NetworkSimulationInterface {
     int avg_burst_loss_length = -1;
   };
 
+  // DO NOT USE. Method added temporary for further refactoring and will be
+  // removed soon.
+  // Sets a new configuration. This won't affect packets already in the pipe.
+  virtual void SetConfig(const SimulatedNetworkConfig& config) = 0;
+
   virtual bool EnqueuePacket(PacketInFlightInfo packet_info) = 0;
   // Retrieves all packets that should be delivered by the given receive time.
   virtual std::vector<PacketDeliveryInfo> DequeueDeliverablePackets(
diff --git a/call/fake_network_pipe.cc b/call/fake_network_pipe.cc
index 21ee652b09..e2fa2f4e99 100644
--- a/call/fake_network_pipe.cc
+++ b/call/fake_network_pipe.cc
@@ -18,6 +18,7 @@
 #include "absl/memory/memory.h"
 #include "call/call.h"
 #include "call/fake_network_pipe.h"
+#include "call/simulated_network.h"
 #include "rtc_base/logging.h"
 #include "system_wrappers/include/clock.h"
 
diff --git a/call/fake_network_pipe.h b/call/fake_network_pipe.h
index 6e2bc11c6e..531329ee72 100644
--- a/call/fake_network_pipe.h
+++ b/call/fake_network_pipe.h
@@ -22,7 +22,6 @@
 #include "api/call/transport.h"
 #include "api/test/simulated_network.h"
 #include "call/call.h"
-#include "call/simulated_network.h"
 #include "common_types.h"  // NOLINT(build/include)
 #include "modules/include/module.h"
 #include "rtc_base/constructormagic.h"
@@ -102,7 +101,7 @@ class NetworkPacket {
 // SimulatedNetworkInterface to simulate network behavior.
 class FakeNetworkPipe : public Transport, public PacketReceiver, public Module {
  public:
-  using Config = SimulatedNetwork::Config;
+  using Config = NetworkSimulationInterface::SimulatedNetworkConfig;
 
   // Use these constructors if you plan to insert packets using DeliverPacket().
   FakeNetworkPipe(Clock* clock, const FakeNetworkPipe::Config& config);
@@ -212,7 +211,7 @@ class FakeNetworkPipe : public Transport, public PacketReceiver, public Module {
   Clock* const clock_;
   // |config_lock| guards the mostly constant things like the callbacks.
   rtc::CriticalSection config_lock_;
-  const std::unique_ptr<SimulatedNetwork> network_simulation_;
+  const std::unique_ptr<NetworkSimulationInterface> network_simulation_;
   PacketReceiver* receiver_ RTC_GUARDED_BY(config_lock_);
   Transport* const transport_ RTC_GUARDED_BY(config_lock_);
 
diff --git a/call/simulated_network.h b/call/simulated_network.h
index 53283bfb16..0ddd1f85fc 100644
--- a/call/simulated_network.h
+++ b/call/simulated_network.h
@@ -33,7 +33,7 @@ class SimulatedNetwork : public NetworkSimulationInterface {
   ~SimulatedNetwork() override;
 
   // Sets a new configuration. This won't affect packets already in the pipe.
-  void SetConfig(const Config& config);
+  void SetConfig(const Config& config) override;
   void PauseTransmissionUntil(int64_t until_us);
 
   // NetworkSimulationInterface