diff --git a/src/libstore/legacy-ssh-store.cc b/src/libstore/legacy-ssh-store.cc
index e1a4e13a3..2c9dd2680 100644
--- a/src/libstore/legacy-ssh-store.cc
+++ b/src/libstore/legacy-ssh-store.cc
@@ -134,7 +134,6 @@ struct LegacySSHStore : public virtual LegacySSHStoreConfig, public virtual Stor
             /* Hash will be set below. FIXME construct ValidPathInfo at end. */
             auto info = std::make_shared<ValidPathInfo>(path, Hash::dummy);
 
-            PathSet references;
             auto deriver = readString(conn->from);
             if (deriver != "")
                 info->deriver = parseStorePath(deriver);
diff --git a/src/libstore/path-info.hh b/src/libstore/path-info.hh
index b4b54e593..a7fcbd232 100644
--- a/src/libstore/path-info.hh
+++ b/src/libstore/path-info.hh
@@ -81,12 +81,6 @@ struct ValidPathInfo
     /* Return true iff the path is verifiably content-addressed. */
     bool isContentAddressed(const Store & store) const;
 
-    /* Functions to view references + hasSelfReference as one set, mainly for
-       compatibility's sake. */
-    StorePathSet referencesPossiblyToSelf() const;
-    void insertReferencePossiblyToSelf(StorePath && ref);
-    void setReferencesPossiblyToSelf(StorePathSet && refs);
-
     static const size_t maxSigs = std::numeric_limits<size_t>::max();
 
     /* Return the number of signatures on this .narinfo that were