diff --git a/src/libstore/local-store.cc b/src/libstore/local-store.cc
index ed03c3f42..207e8a40b 100644
--- a/src/libstore/local-store.cc
+++ b/src/libstore/local-store.cc
@@ -1010,7 +1010,6 @@ Path LocalStore::addToStoreFromDump(const string & dump, const string & name,
             info.path = dstPath;
             info.narHash = hash.first;
             info.narSize = hash.second;
-            info.ultimate = true;
             info.ca = makeFixedOutputCA(recursive, h);
             registerValidPath(info);
         }
@@ -1073,7 +1072,6 @@ Path LocalStore::addTextToStore(const string & name, const string & s,
             info.narHash = narHash;
             info.narSize = sink.s->size();
             info.references = references;
-            info.ultimate = true;
             info.ca = "text:" + hash.to_string();
             registerValidPath(info);
         }
diff --git a/src/libstore/store-api.hh b/src/libstore/store-api.hh
index b06f5d86a..929c95a0f 100644
--- a/src/libstore/store-api.hh
+++ b/src/libstore/store-api.hh
@@ -113,9 +113,8 @@ struct ValidPathInfo
     uint64_t narSize = 0; // 0 = unknown
     uint64_t id; // internal use only
 
-    /* Whether the path is ultimately trusted, that is, it was built
-       locally or is content-addressable (e.g. added via addToStore()
-       or the result of a fixed-output derivation). */
+    /* Whether the path is ultimately trusted, that is, it's a
+       derivation output that was built locally. */
     bool ultimate = false;
 
     StringSet sigs; // note: not necessarily verified