diff --git a/sys/amd64/amd64/pmap.c b/sys/amd64/amd64/pmap.c
--- a/sys/amd64/amd64/pmap.c
+++ b/sys/amd64/amd64/pmap.c
@@ -9013,13 +9013,8 @@
 		pdpe = pmap_pml4e_to_pdpe(pml4e, sva);
 		if ((*pdpe & PG_V) == 0)
 			continue;
-		if ((*pdpe & PG_PS) != 0) {
-			KASSERT(va_next <= eva,
-			    ("partial update of non-transparent 1G mapping "
-			    "pdpe %#lx sva %#lx eva %#lx va_next %#lx",
-			    *pdpe, sva, eva, va_next));
+		if ((*pdpe & PG_PS) != 0)
 			continue;
-		}
 
 		va_next = (sva + NBPDR) & ~PDRMASK;
 		if (va_next < sva)