diff --git a/firmware/hw_layer/ports/stm32/stm32f7/mpu_util.cpp b/firmware/hw_layer/ports/stm32/stm32f7/mpu_util.cpp
index 73637e140b..3de85cf0a7 100644
--- a/firmware/hw_layer/ports/stm32/stm32f7/mpu_util.cpp
+++ b/firmware/hw_layer/ports/stm32/stm32f7/mpu_util.cpp
@@ -81,7 +81,8 @@ void baseMCUInit(void) {
 
 	BOR_Set(BOR_Level_1); // one step above default value
 
-	SCB_DisableDCache();
+// open question if we need this or not
+	//	SCB_DisableDCache();
 }
 
 void _unhandled_exception(void) {