Index: uspace/drv/uhci-hcd/transfer_list.c
===================================================================
--- uspace/drv/uhci-hcd/transfer_list.c	(revision 1585c7e5b41f63d6862b9c2d4e5e2043ea72abad)
+++ uspace/drv/uhci-hcd/transfer_list.c	(revision da88eb826d0b2007b0b668c0f7828a8f2d9d54c8)
@@ -121,5 +121,4 @@
 
 	asm volatile ("": : :"memory");
-//	asm volatile("clflush (%0)": : "r"(last_qh));
 
 	/* Add to the driver list */
@@ -209,5 +208,4 @@
 		    == addr_to_phys(batch_qh(batch)));
 		instance->queue_head->next = batch_qh(batch)->next;
-//		asm volatile("clflush (%0)" : : "r"(instance->queue_head));
 		qpos = "FIRST";
 	} else {
@@ -218,5 +216,4 @@
 		    == addr_to_phys(batch_qh(batch)));
 		batch_qh(prev)->next = batch_qh(batch)->next;
-//		asm volatile("clflush (%0)" : : "r"(batch_qh(prev)));
 		qpos = "NOT FIRST";
 	}
Index: uspace/drv/uhci-hcd/utils/slab.c
===================================================================
--- uspace/drv/uhci-hcd/utils/slab.c	(revision 1585c7e5b41f63d6862b9c2d4e5e2043ea72abad)
+++ uspace/drv/uhci-hcd/utils/slab.c	(revision da88eb826d0b2007b0b668c0f7828a8f2d9d54c8)
@@ -94,5 +94,5 @@
 	memset(instance->page, 0xa, SLAB_SIZE);
 	fibril_mutex_unlock(&init_mutex);
-	usb_log_fatal("SLAB initialized at %p.\n", instance->page);
+	usb_log_debug2("SLAB initialized at %p.\n", instance->page);
 }
 /*----------------------------------------------------------------------------*/
@@ -114,5 +114,4 @@
 	fibril_mutex_unlock(&instance->guard);
 
-	usb_log_fatal("SLAB allocated address element %zu(%p).\n", i, addr);
 	return addr;
 }
@@ -122,6 +121,4 @@
 	bool in_range = (instance->page != NULL) &&
 		(addr >= instance->page) && (addr < instance->page + SLAB_SIZE);
-//	usb_log_fatal("SLAB address %sin range %p(%p-%p).\n",
-//	    in_range ? "" : "NOT ", addr, instance->page, instance->page + SLAB_SIZE);
 	return in_range;
 }
@@ -139,6 +136,4 @@
 	instance->slabs[pos] = true;
 	fibril_mutex_unlock(&instance->guard);
-
-	usb_log_fatal("SLAB freed element %zu(%p).\n", pos, addr);
 }
 /**