diff --git a/src/libexpr/paths.cc b/src/libexpr/paths.cc
index 8f7fb4264..7a2826e7a 100644
--- a/src/libexpr/paths.cc
+++ b/src/libexpr/paths.cc
@@ -48,8 +48,6 @@ SourcePath EvalState::decodePath(std::string_view s, PosIdx pos)
 
             SourcePath path {accessor->second, CanonPath(s)};
 
-            warn("applying 'toString' to path '%s' and then accessing it is deprecated, at %s", path, positions[pos]);
-
             return path;
         } catch (std::invalid_argument & e) {
             fail();