diff --git a/cpp/base/primary_device.h b/cpp/base/primary_device.h
index 9476ff8a..57372117 100644
--- a/cpp/base/primary_device.h
+++ b/cpp/base/primary_device.h
@@ -24,13 +24,14 @@ using namespace scsi_defs;
 
 class PrimaryDevice: private ScsiPrimaryCommands, public Device
 {
-	friend class AbstractController;
+    friend class AbstractController;
 
 	using operation = function<void()>;
 
 public:
 
-	PrimaryDevice(PbDeviceType type, int lun) : Device(type, lun) {}
+	PrimaryDevice(PbDeviceType type, int lun, int delay_after_bytes = BUS::SEND_NO_DELAY)
+	    : Device(type, lun), send_delay(delay_after_bytes) { }
 	~PrimaryDevice() override = default;
 
 	virtual bool Init(const param_map&);
@@ -68,8 +69,6 @@ class PrimaryDevice: private ScsiPrimaryCommands, public Device
 	virtual vector<uint8_t> InquiryInternal() const = 0;
 	void CheckReady();
 
-	void SetSendDelay(int s) { send_delay = s; }
-
 	void Inquiry() override;
     void RequestSense() override;
 
@@ -107,7 +106,7 @@ class PrimaryDevice: private ScsiPrimaryCommands, public Device
 
 	unordered_map<scsi_command, operation> commands;
 
-	int send_delay = BUS::SEND_NO_DELAY;
+	int send_delay;
 
 	int reserving_initiator = NOT_RESERVED;
 };
diff --git a/cpp/devices/daynaport.cpp b/cpp/devices/daynaport.cpp
index 21089bd5..b2b2392b 100644
--- a/cpp/devices/daynaport.cpp
+++ b/cpp/devices/daynaport.cpp
@@ -27,7 +27,8 @@
 using namespace scsi_defs;
 using namespace scsi_command_util;
 
-SCSIDaynaPort::SCSIDaynaPort(int lun) : PrimaryDevice(SCDP, lun)
+// The MacOS Daynaport driver needs to have a delay after the size/flags field of the read response
+SCSIDaynaPort::SCSIDaynaPort(int lun) : PrimaryDevice(SCDP, lun, DAYNAPORT_READ_HEADER_SZ)
 {
 	SupportsParams(true);
 }
@@ -44,9 +45,6 @@ bool SCSIDaynaPort::Init(const param_map& params)
 	AddCommand(scsi_command::cmd_set_mcast_addr, [this] { SetMcastAddr(); });
 	AddCommand(scsi_command::cmd_enable_interface, [this] { EnableInterface(); });
 
-	// The MacOS Daynaport driver needs to have a delay after the size/flags field of the read response
-	SetSendDelay(DAYNAPORT_READ_HEADER_SZ);
-
 	tap_enabled = tap.Init(GetParams());
 	if (!tap_enabled) {
 // Not terminating on a regular PC is helpful for testing
diff --git a/cpp/test/mocks.h b/cpp/test/mocks.h
index 3c49703d..89961bcc 100644
--- a/cpp/test/mocks.h
+++ b/cpp/test/mocks.h
@@ -236,7 +236,6 @@ class MockPrimaryDevice : public PrimaryDevice
 	FRIEND_TEST(PrimaryDeviceTest, TestUnitReady);
 	FRIEND_TEST(PrimaryDeviceTest, RequestSense);
 	FRIEND_TEST(PrimaryDeviceTest, Inquiry);
-	FRIEND_TEST(PrimaryDeviceTest, GetSetSendDelay);
 	FRIEND_TEST(ScsiControllerTest, RequestSense);
 	FRIEND_TEST(S2pExecutorTest, ValidateOperationAgainstDevice);
 
diff --git a/cpp/test/primary_device_test.cpp b/cpp/test/primary_device_test.cpp
index 55e15983..2f4176a6 100644
--- a/cpp/test/primary_device_test.cpp
+++ b/cpp/test/primary_device_test.cpp
@@ -338,15 +338,6 @@ TEST(PrimaryDeviceTest, WriteByteSequence)
 	EXPECT_FALSE(device->WriteByteSequence({})) << "Primary device does not support writing byte sequences";
 }
 
-TEST(PrimaryDeviceTest, GetSetSendDelay)
-{
-	MockPrimaryDevice device(0);
-
-	EXPECT_EQ(-1, device.GetSendDelay()) << "Wrong delay default value";
-	device.SetSendDelay(1234);
-	EXPECT_EQ(1234, device.GetSendDelay());
-}
-
 TEST(PrimaryDeviceTest, Init)
 {
 	param_map params;