diff --git a/pkg/urbit/include/noun/events.h b/pkg/urbit/include/noun/events.h
index c1b95cde83..9b8376c895 100644
--- a/pkg/urbit/include/noun/events.h
+++ b/pkg/urbit/include/noun/events.h
@@ -80,11 +80,6 @@
       c3_o
       u3e_yolo(void);
 
-    /* u3e_foul(): dirty all the pages of the loom.
-    */
-      void
-      u3e_foul(void);
-
     /* u3e_init(): initialize guard page tracking.
     */
       void
diff --git a/pkg/urbit/noun/events.c b/pkg/urbit/noun/events.c
index a9004dd120..1ad2a27cd4 100644
--- a/pkg/urbit/noun/events.c
+++ b/pkg/urbit/noun/events.c
@@ -1328,7 +1328,7 @@ u3e_live(c3_o nuu_o, c3_c* dir_c)
 
       //  mark all pages dirty (pages in the snapshot will be marked clean)
       //
-      u3e_foul();
+      _ce_loom_track_north(0, u3P.pag_w);
 
       /* Write image files to memory; reinstate protection.
       */
@@ -1387,15 +1387,11 @@ u3e_yolo(void)
     c3_assert(0);
   }
 
-  return c3y;
-}
+  //  mark all pages dirty
+  //
+  _ce_loom_track_north(0, u3P.pag_w);
 
-/* u3e_foul(): dirty all the pages of the loom.
-*/
-void
-u3e_foul(void)
-{
-  memset((void*)u3P.dit_w, 0xff, sizeof(u3P.dit_w));
+  return c3y;
 }
 
 /* u3e_init(): initialize guard page tracking.
diff --git a/pkg/urbit/noun/urth.c b/pkg/urbit/noun/urth.c
index 0b8f022944..009442e9e0 100644
--- a/pkg/urbit/noun/urth.c
+++ b/pkg/urbit/noun/urth.c
@@ -416,10 +416,6 @@ _cu_realloc(FILE* fil_u, ur_root_t** tor_u, ur_nvec_t* doc_u)
   //
   u3A->eve_d = eve_d;
 
-  //  mark all pages dirty
-  //
-  u3e_foul();
-
   *tor_u = rot_u;
   *doc_u = cod_u;
 
@@ -847,10 +843,6 @@ u3u_uncram(c3_c* dir_c, c3_d eve_d)
   //
   u3A->eve_d = eve_d;
 
-  //  mark all pages dirty
-  //
-  u3e_foul();
-
   //  leave rocks on disk
   //
   // if ( 0 != c3_unlink(nam_c) ) {
diff --git a/pkg/urbit/tests/events_tests.c b/pkg/urbit/tests/events_tests.c
index f8615efcbf..f42ce56251 100644
--- a/pkg/urbit/tests/events_tests.c
+++ b/pkg/urbit/tests/events_tests.c
@@ -92,7 +92,12 @@ _test_tracking(void)
 {
   c3_w ret_w;
 
-  u3e_foul();
+  _ce_loom_track_north(0, u3P.pag_w);
+
+  if ( u3P.pag_w != (ret_w = _check_north_dirty(0, u3P.pag_w)) ) {
+    fprintf(stderr, "test events track north dirty all %u\r\n", ret_w);
+    return 0;
+  }
 
   if ( 0 != (ret_w = _check_north_clean()) ) {
     fprintf(stderr, "test events track north init %u\r\n", ret_w);
@@ -217,6 +222,13 @@ _test_tracking(void)
     return 0;
   }
 
+  _ce_loom_track_north(0, u3P.pag_w);
+
+  if ( u3P.pag_w != (ret_w = _check_north_dirty(0, u3P.pag_w)) ) {
+    fprintf(stderr, "test events track north dirty all %u\r\n", ret_w);
+    return 0;
+  }
+
   return 1;
 }