diff --git a/firmware/application/portapack.cpp b/firmware/application/portapack.cpp
index e9460c50..6621a5b8 100644
--- a/firmware/application/portapack.cpp
+++ b/firmware/application/portapack.cpp
@@ -61,9 +61,7 @@ ClockManager clock_manager {
 	i2c0, clock_generator
 };
 
-ReceiverModel receiver_model {
-	clock_manager
-};
+ReceiverModel receiver_model;
 
 TemperatureLogger temperature_logger;
 
diff --git a/firmware/application/portapack.hpp b/firmware/application/portapack.hpp
index cbe0b665..886c4a43 100644
--- a/firmware/application/portapack.hpp
+++ b/firmware/application/portapack.hpp
@@ -29,6 +29,7 @@
 #include "lcd_ili9341.hpp"
 
 #include "radio.hpp"
+#include "clock_manager.hpp"
 #include "temperature_logger.hpp"
 
 namespace portapack {
@@ -43,6 +44,7 @@ extern SPI ssp1;
 extern wolfson::wm8731::WM8731 audio_codec;
 
 extern si5351::Si5351 clock_generator;
+extern ClockManager clock_manager;
 
 extern ReceiverModel receiver_model;
 
diff --git a/firmware/application/receiver_model.hpp b/firmware/application/receiver_model.hpp
index ac3ce913..d76f4670 100644
--- a/firmware/application/receiver_model.hpp
+++ b/firmware/application/receiver_model.hpp
@@ -25,7 +25,6 @@
 #include <cstdint>
 #include <cstddef>
 
-#include "clock_manager.hpp"
 #include "message.hpp"
 #include "rf_path.hpp"
 #include "max2837.hpp"
@@ -43,12 +42,6 @@ public:
 		ERT = 6,
 	};
 
-	constexpr ReceiverModel(
-		ClockManager& clock_manager
-	) : clock_manager(clock_manager)
-	{
-	}
-
 	rf::Frequency tuning_frequency() const;
 	void set_tuning_frequency(rf::Frequency f);
 
@@ -101,7 +94,6 @@ private:
 		.decimation_factor = 1,
 	};
 	volume_t headphone_volume_ { -43.0_dB };
-	ClockManager& clock_manager;
 
 	int32_t tuning_offset();