diff --git a/src/bldc_motor_driver_stm32g4.rs b/src/bldc_motor_driver_stm32g4.rs
index 10a2b8c..607042e 100644
--- a/src/bldc_motor_driver_stm32g4.rs
+++ b/src/bldc_motor_driver_stm32g4.rs
@@ -93,13 +93,11 @@ pub fn clock_init(perip: &Peripherals, core_perip: &mut CorePeripherals) {
     tim6.cr2.modify(|_, w| unsafe { w.mms().bits(0b010) });
 }
 
-pub fn dma_init(perip: &Peripherals, core_perip: &mut CorePeripherals, address: u32) {
+pub fn dma_init(perip: &Peripherals) {
 
     let address = free(|cs| G_ADC_DATA.borrow(cs).borrow().as_ptr() as u32);
 
     // DMAの電源投入(クロックの有効化)
-    // perip.RCC.ahb1rstr.modify(|_, w| w.dmamux1rst().reset());
-    // perip.RCC.ahb1rstr.modify(|_, w| w.dma1rst().reset());
     perip.RCC.ahb1rstr.modify(|_, w| w.dmamux1rst().set_bit());
     perip.RCC.ahb1rstr.modify(|_, w| w.dma1rst().set_bit());
     perip.RCC.ahb1rstr.modify(|_, w| w.dmamux1rst().clear_bit());
@@ -137,15 +135,12 @@ pub fn dma_init(perip: &Peripherals, core_perip: &mut CorePeripherals, address:
 
     let adc = &perip.ADC2;
     let adc_data_register_addr = &adc.dr as *const _ as u32;
-    // let adc_dma_buf_addr : u32 = adc_dma_buf as *const [u16; 4] as u32;
-    // perip.DMA1.cpar1.modify(|_, w| unsafe { w.pa().bits(*adc.dr.as_ptr()) });   // peripheral address
     perip
         .DMA1
         .cpar1
         .modify(|_, w| unsafe { w.pa().bits(adc_data_register_addr) }); // peripheral address
-                                                                        // perip.DMA1.cndtr1.modify(|_, w| unsafe { w.ndt().bits(adc_dma_buf.len() as u16) }); // num
     perip.DMA1.cndtr1.modify(|_, w| unsafe { w.ndt().bits(7) }); // num
-                                                                 // perip.DMA1.cmar1.modify(|_, w| unsafe { w.ma().bits(adc_dma_buf_addr) });      // memory address
+
     perip
         .DMA1
         .cmar1
diff --git a/src/main.rs b/src/main.rs
index 4ac3866..802752f 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -69,6 +69,7 @@ fn TIM3() {
         }
     });
 }
+
 defmt::timestamp!("{=u32:us}", {
     // NOTE(interrupt-safe) single instruction volatile read operation
     free(|cs| {
@@ -96,16 +97,8 @@ fn main() -> ! {
 
     bldc_motor_driver_stm32g4::clock_init(&perip, &mut core_perip);
     bldc_motor_driver_stm32g4::adc2_init(&perip);
-    // let adc_data: [u16; 7] = [77; 7];
-    // let adcd = bldc_motor_driver_stm32g4::AdcData::new();
-
-    // let dma_buf_addr: u32 = adc_data.as_ptr() as u32;
-    // defmt::error!("addr {}", adc_data.as_ptr() as u32);
 
-    // let dma_buf_addr: u32 = adcd.data.as_ptr() as u32;
-
-    // defmt::error!("addr {}", dma_buf_addr);
-    bldc_motor_driver_stm32g4::dma_init(&perip, &mut core_perip, 0);
+    bldc_motor_driver_stm32g4::dma_init(&perip);
     bldc_motor_driver_stm32g4::dma_adc2_start(&perip);
 
     bldc_motor_driver_stm32g4::init_g_peripheral(perip);
@@ -176,11 +169,8 @@ fn main() -> ! {
                 // uart.write_str("hello ");
                 // write!(uart, "{} + {} = {}\r\n", 2, 4, 2+4);
                 defmt::info!("hello from defmt");
-                // defmt::error!("addr {}", adc_data.as_ptr() as u32);
-                // defmt::error!("addr {}", adcd.data.as_ptr() as u32);
                 let adcd =  free(|cs| bldc_motor_driver_stm32g4::G_ADC_DATA.borrow(cs).borrow().clone());
 
-
                 write!(
                     uart,
                     "{{\"ADC\":[{:4}, {:4}, {:4}, {:4}, {:4}, {:4}, {:4}]}}\r\n",