diff --git a/nucleus/src/caps/captable.rs b/nucleus/src/caps/captable.rs
index c6a247d..06037c4 100644
--- a/nucleus/src/caps/captable.rs
+++ b/nucleus/src/caps/captable.rs
@@ -147,7 +147,10 @@ struct CapSpace {
 
 #[cfg(test)]
 mod tests {
-    use super::*;
+    use super::{
+        super::{derivation_tree::DerivationTreeError, null_cap::NullCapability},
+        *,
+    };
 
     #[test_case]
     fn create_empty_cap_table() {