diff --git a/embed/trezorhal/sdcard.c b/embed/trezorhal/sdcard.c
index 78606772b..10e0979cb 100644
--- a/embed/trezorhal/sdcard.c
+++ b/embed/trezorhal/sdcard.c
@@ -151,7 +151,7 @@ error:
 }
 
 void sdcard_power_off(void) {
-    if (sd_handle.Instance != NULL) {
+    if (sd_handle.Instance) {
         HAL_SD_DeInit(&sd_handle);
         sd_handle.Instance = NULL;
     }
diff --git a/embed/trezorhal/touch.c b/embed/trezorhal/touch.c
index be562995e..25cf616e6 100644
--- a/embed/trezorhal/touch.c
+++ b/embed/trezorhal/touch.c
@@ -144,7 +144,7 @@ void touch_power_on(void) {
 }
 
 void touch_power_off(void) {
-    if (i2c_handle.Instance != NULL) {
+    if (i2c_handle.Instance) {
         HAL_I2C_DeInit(&i2c_handle);
         i2c_handle.Instance = NULL;
     }