diff --git a/lib/bus/iwm/iwm.cpp b/lib/bus/iwm/iwm.cpp
index 80da8ee81..e1650f5b6 100644
--- a/lib/bus/iwm/iwm.cpp
+++ b/lib/bus/iwm/iwm.cpp
@@ -432,12 +432,14 @@ std::vector<uint8_t> iwmDevice::create_dib_reply_packet(const std::string& devic
 //*****************************************************************************
 void IRAM_ATTR iwmBus::service()
 {
+#ifndef DEV_RELAY_SLIP
   // process smartport before diskII
   if (!serviceSmartPort())
     serviceDiskII();
 
-#ifndef DEV_RELAY_SLIP
   serviceDiskIIWrite();
+#else
+  serviceSmartPort();
 #endif
 }
 
@@ -548,10 +550,10 @@ bool IRAM_ATTR iwmBus::serviceSmartPort()
   return true;
 }
 
+#ifndef DEV_RELAY_SLIP
 // Returns true if Disk II was handled
 bool IRAM_ATTR iwmBus::serviceDiskII()
 {
-#ifndef DEV_RELAY_SLIP
   // check on the diskii status
   switch (iwm_drive_enabled())
   {
@@ -596,12 +598,10 @@ bool IRAM_ATTR iwmBus::serviceDiskII()
     iwm_ack_deassert();
     break;
   }
-#endif /* !SLIP */
 
   return true;
 }
 
-#ifndef DEV_RELAY_SLIP
 // Returns true if a Disk II write was received
 bool IRAM_ATTR iwmBus::serviceDiskIIWrite()
 {
@@ -723,7 +723,7 @@ iwm_enable_state_t IRAM_ATTR iwmBus::iwm_drive_enabled()
     return iwm_enable_state_t::off;
   }
 }
-#endif /* !SLIP */
+#endif /* !DEV_RELAY_SLIP */
 
 void iwmBus::handle_init()
 {
diff --git a/lib/device/iwm/fuji.cpp b/lib/device/iwm/fuji.cpp
index 1129f5218..f21de5265 100644
--- a/lib/device/iwm/fuji.cpp
+++ b/lib/device/iwm/fuji.cpp
@@ -80,7 +80,9 @@ iwmFuji::iwmFuji()
 
         { FUJICMD_RESET,  [this]()                     { this->send_reply_packet(err_result); this->iwm_ctrl_reset_fujinet(); }},   // 0xFF
         { IWM_CTRL_RESET, [this]()                     { this->send_reply_packet(err_result); this->iwm_ctrl_reset_fujinet(); }},   // 0x00
+#ifndef DEV_RELAY_SLIP
 	{ IWM_CTRL_CLEAR_ENSEEN, [this]()	       { diskii_xface.d2_enable_seen = 0; err_result = SP_ERR_NOERROR; }},
+#endif
 
         { FUJICMD_MOUNT_ALL, [&]()                     { err_result = (mount_all() ? SP_ERR_IOERROR : SP_ERR_NOERROR); }},          // 0xD7
         { FUJICMD_MOUNT_IMAGE, [&]()                   { err_result = iwm_ctrl_disk_image_mount(); }},  // 0xF8
@@ -92,7 +94,9 @@ iwmFuji::iwmFuji()
         
         { IWM_STATUS_DIB, [this]()                     { this->send_status_dib_reply_packet(); status_completed = true; }},     // 0x03
         { IWM_STATUS_STATUS, [this]()                  { this->send_status_reply_packet(); status_completed = true; }},         // 0x00
+#ifndef DEV_RELAY_SLIP
 	{ IWM_STATUS_ENSEEN, [this]()		       { data_len = 1; data_buffer[0] = diskii_xface.d2_enable_seen; }},
+#endif
         
         { FUJICMD_DEVICE_ENABLE_STATUS, [this]()       { this->send_stat_get_enable(); }},                      // 0xD1
         { FUJICMD_GET_ADAPTERCONFIG_EXTENDED, [this]() { this->iwm_stat_get_adapter_config_extended(); }},      // 0xC4