diff --git a/sim/m32r/dv-m32r_uart.c b/sim/m32r/dv-m32r_uart.c
index 6c8785881de..761b4e8edbd 100644
--- a/sim/m32r/dv-m32r_uart.c
+++ b/sim/m32r/dv-m32r_uart.c
@@ -36,7 +36,6 @@ m32r_uart_io_write_buffer (struct hw *me, const void *source,
 			   int space, address_word addr, unsigned nr_bytes)
 {
   SIM_DESC sd = hw_system (me);
-  struct m32r_uart *uart = hw_data (me);
   int status = dv_sockser_status (sd);
 
   switch (addr)
@@ -65,7 +64,6 @@ m32r_uart_io_read_buffer (struct hw *me, void *dest,
 			  int space, address_word addr, unsigned nr_bytes)
 {
   SIM_DESC sd = hw_system (me);
-  struct m32r_uart *uart = hw_data (me);
   int status = dv_sockser_status (sd);
 
   switch (addr)