diff --git a/Src/AdcFlagchip.c b/Src/AdcFlagchip.c
index b8f9446..661fdfd 100644
--- a/Src/AdcFlagchip.c
+++ b/Src/AdcFlagchip.c
@@ -94,6 +94,11 @@ void ADC_Initial(
 
 }
 
+
+static void vAdcStart(tAdcFlagchip *env) {
+    ADC_Start(env->ADCx);
+}
+
 static uint32_t vAdcGet(tAdcFlagchip *env, uint32_t *buf, uint32_t timeout) {
 
     ADC_Start(env->ADCx);
@@ -118,14 +123,9 @@ static uint32_t vAdcGet(tAdcFlagchip *env, uint32_t *buf, uint32_t timeout) {
     return 0;
 }
 
-static void vAdcStart(tAdcFlagchip *env) {
-    ADC_Start(env->ADCx);
-}
-
 tAdcIO vAdcGetIo(tAdcFlagchip *env) {
     tAdcIO io = {
             .env = env,
-            .start = (AdcIOStartTransaction) vAdcStart,
             .get = (AdcIOTransaction) vAdcGet,
     };
     return io;