2 files changed, 1 insertions, 17 deletions
diff --git a/src/class/cdc/cdc_device.c b/src/class/cdc/cdc_device.c
index 5dd7da122..6858b6ad0 100644
--- a/src/class/cdc/cdc_device.c
+++ b/src/class/cdc/cdc_device.c
@@ -90,7 +90,7 @@ CFG_TUSB_ATTR_USBRAM static cdcd_interface_t _cdcd_itf[CFG_TUD_CDC];
 //--------------------------------------------------------------------+
 bool tud_cdc_n_connected(uint8_t itf)
 {
-  // DTR (bit 0) active  isconsidered as connected
+  // DTR (bit 0) active  is considered as connected
   return BIT_TEST_(_cdcd_itf[itf].line_state, 0);
 }
 
@@ -348,14 +348,4 @@ tusb_error_t cdcd_xfer_cb(uint8_t rhport, uint8_t ep_addr, tusb_event_t event, u
   return TUSB_ERROR_NONE;
 }
 
-#if CFG_TUD_CDC_FLUSH_ON_SOF
-void cdcd_sof(uint8_t rhport)
-{
-  for(uint8_t i=0; i<CFG_TUD_CDC; i++)
-  {
-    tud_cdc_n_flush(i);
-  }
-}
-#endif
-
 #endif
diff --git a/src/class/cdc/cdc_device.h b/src/class/cdc/cdc_device.h
index 4014f5fa9..2e03793a9 100644
--- a/src/class/cdc/cdc_device.h
+++ b/src/class/cdc/cdc_device.h
@@ -116,12 +116,6 @@ tusb_error_t cdcd_control_request_st (uint8_t rhport, tusb_control_request_t con
 tusb_error_t cdcd_xfer_cb            (uint8_t rhport, uint8_t edpt_addr, tusb_event_t event, uint32_t xferred_bytes);
 void         cdcd_reset              (uint8_t rhport);
 
-#if CFG_TUD_CDC_FLUSH_ON_SOF
-void cdcd_sof(uint8_t rhport);
-#else
-#define cdcd_sof    NULL
-#endif
-
 #endif
 
 #ifdef __cplusplus