diff --git a/src/libstore/parsed-derivations.hh b/src/libstore/parsed-derivations.hh
index 37af36630..f02d5868e 100644
--- a/src/libstore/parsed-derivations.hh
+++ b/src/libstore/parsed-derivations.hh
@@ -6,8 +6,6 @@
 
 namespace nix {
 
-typedef std::pair<std::string, nlohmann::json> StructuredAttrsWithShellRC;
-
 class ParsedDerivation
 {
     StorePath drvPath;