diff --git a/src/xrt/auxiliary/util/u_var.h b/src/xrt/auxiliary/util/u_var.h
index e80690fe5..0bce29b4b 100644
--- a/src/xrt/auxiliary/util/u_var.h
+++ b/src/xrt/auxiliary/util/u_var.h
@@ -132,8 +132,7 @@ typedef void (*u_var_elm_cb)(struct u_var_info *info, void *);
  * // On create
  * u_var_add_root((void*)psmv, "PS Move Controller", true);
  * u_var_add_rgb_u8((void*)psmv, &psmv->led_color, "LED");
- * u_var_add_bool((void*)psmv, &psmv->print_spew, "Spew");
- * u_var_add_bool((void*)psmv, &psmv->print_debug, "Debug");
+ * u_var_add_log_level(psmv, &psmv->log_level, "Log level");
  *
  * // On destroy, only need to destroy the root object.
  * u_var_remove_root((void*)psmv);
diff --git a/src/xrt/drivers/north_star/distortion/utility_northstar.h b/src/xrt/drivers/north_star/distortion/utility_northstar.h
index 7b6d58d75..4cbb34813 100644
--- a/src/xrt/drivers/north_star/distortion/utility_northstar.h
+++ b/src/xrt/drivers/north_star/distortion/utility_northstar.h
@@ -1197,7 +1197,7 @@ public:
 	//		z *= +1.0f;
 	//	}
 	//	else {
-	//		//printf("coding error\n");
+	//		//U_LOG_E("coding error");
 	//	}
 	//	float r = NORM(w, x, w, z);
 	//	w /= r;
diff --git a/src/xrt/drivers/psvr/psvr_device.c b/src/xrt/drivers/psvr/psvr_device.c
index dfd679bfd..da003cd02 100644
--- a/src/xrt/drivers/psvr/psvr_device.c
+++ b/src/xrt/drivers/psvr/psvr_device.c
@@ -646,7 +646,7 @@ read_calibration_data(struct psvr_device *psvr)
 	int *data = (int*)&psvr->calibration.data[0];
 	for (size_t i = 0; i < (sizeof(psvr->calibration.data) / 4); i++) {
 		int v = data[i];
-		fprintf(stderr, "%i %f\n", v, *(float*)&v);
+		U_LOG_E("%i %f", v, *(float*)&v);
 	}
 #endif