diff --git a/src/libutil/archive.cc b/src/libutil/archive.cc
index 00536c1e1..a18c54ebf 100644
--- a/src/libutil/archive.cc
+++ b/src/libutil/archive.cc
@@ -389,13 +389,4 @@ void copyNAR(Source & source, Sink & sink)
 }
 
 
-void copyPath(const Path & from, const Path & to)
-{
-    auto source = sinkToSource([&](Sink & sink) {
-        dumpPath(from, sink);
-    });
-    restorePath(to, *source);
-}
-
-
 }
diff --git a/src/libutil/archive.hh b/src/libutil/archive.hh
index 2cf164a41..017b6633c 100644
--- a/src/libutil/archive.hh
+++ b/src/libutil/archive.hh
@@ -124,8 +124,6 @@ void restorePath(const Path & path, Source & source);
  */
 void copyNAR(Source & source, Sink & sink);
 
-void copyPath(const Path & from, const Path & to);
-
 
 inline constexpr std::string_view narVersionMagic1 = "nix-archive-1";