diff --git a/src/eval.c b/src/eval.c
index 43866e6..085e7d7 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -5678,6 +5678,9 @@
     /* v: vars */
     abort = abort || set_ref_in_ht(&vimvarht, copyID, NULL);
 
+    // callbacks in buffers
+    abort = abort || set_ref_in_buffers(copyID);
+
 #ifdef FEAT_LUA
     abort = abort || set_ref_in_lua(copyID);
 #endif
@@ -5710,6 +5713,10 @@
     abort = abort || set_ref_in_term(copyID);
 #endif
 
+#ifdef FEAT_TEXT_PROP
+    abort = abort || set_ref_in_popups(copyID);
+#endif
+
     if (!abort)
     {
 	/*