diff --git a/include/spislave.h b/include/spislave.h
index e4b71f02..78b7a737 100644
--- a/include/spislave.h
+++ b/include/spislave.h
@@ -27,10 +27,10 @@ licenses. Refer to LICENSE.txt file in repository for more details.
 #include "globals.h"
 #include "rcommand.h"
 
-esp_err_t spi_init();
-
 extern TaskHandle_t spiTask;
 
+esp_err_t spi_init();
+void spi_deinit(void);
 void spi_enqueuedata(MessageBuffer_t *message);
 uint32_t spi_queuewaiting(void);
 void spi_queuereset(void);
diff --git a/src/spislave.cpp b/src/spislave.cpp
index 57b36614..d0778384 100644
--- a/src/spislave.cpp
+++ b/src/spislave.cpp
@@ -106,7 +106,9 @@ void spi_slave_task(void *param) {
   }
 }
 
-esp_err_t spi_init() {
+void spi_deinit(void) { vTaskDelete(spiTask); }
+
+esp_err_t spi_init(void) {
   _ASSERT(SEND_QUEUE_SIZE > 0);
   SPISendQueue = xQueueCreate(SEND_QUEUE_SIZE, sizeof(MessageBuffer_t));
   if (SPISendQueue == 0) {