Index: head/sys/x86/x86/busdma_bounce.c
===================================================================
--- head/sys/x86/x86/busdma_bounce.c
+++ head/sys/x86/x86/busdma_bounce.c
@@ -407,8 +407,6 @@
 	vm_memattr_t attr;
 	int mflags;
 
-	WITNESS_WARN(WARN_GIANTOK | WARN_SLEEPOK, NULL, "%s", __func__);
-
 	if (flags & BUS_DMA_NOWAIT)
 		mflags = M_NOWAIT;
 	else
@@ -492,7 +490,7 @@
 }
 
 /*
- * Free a piece of memory and it's allociated dmamap, that was allocated
+ * Free a piece of memory and its associated dmamap, that was allocated
  * via bus_dmamem_alloc.  Make the same choice for free/contigfree.
  */
 static void
Index: head/sys/x86/x86/busdma_machdep.c
===================================================================
--- head/sys/x86/x86/busdma_machdep.c
+++ head/sys/x86/x86/busdma_machdep.c
@@ -223,8 +223,6 @@
 	struct bus_dma_tag_common *tc;
 	int error;
 
-	WITNESS_WARN(WARN_GIANTOK | WARN_SLEEPOK, NULL, "%s", __func__);
-
 	if (parent == NULL) {
 		error = bus_dma_bounce_impl.tag_create(parent, alignment,
 		    boundary, lowaddr, highaddr, filter, filterarg, maxsize,