diff --git a/Packages.toml b/Packages.toml
index 250be868..131f7313 100644
--- a/Packages.toml
+++ b/Packages.toml
@@ -77,12 +77,6 @@ skip = [
     "RemoteHPC",            # server software
     "Metal",                # Apple hardware
     "ObjectiveC",           # macOS
-
-    # nested containerization not supported
-    # (triggers a bug in crun)
-    "Sandbox",
-    "BinaryBuilder",
-    "BinaryBuilderBase",
 ]
 
 # packages that are incompatible with running under rr