diff --git a/src/libstore/derivation-options.cc b/src/libstore/derivation-options.cc
index 526e682f7..ff777fbae 100644
--- a/src/libstore/derivation-options.cc
+++ b/src/libstore/derivation-options.cc
@@ -70,7 +70,6 @@ DerivationOptions DerivationOptions::fromParsedDerivation(const ParsedDerivation
                                         throw Error("attribute '%s' must be a list of strings", name);
                                     res.insert(j->get<std::string>());
                                 }
-                                checks.disallowedRequisites = res;
                                 return res;
                             }
                             return {};