1 files changed, 1 insertions, 4 deletions
diff --git a/third_party/nix/src/nix/repl.cc b/third_party/nix/src/nix/repl.cc
index 281b3c1e45..85750b08ce 100644
--- a/third_party/nix/src/nix/repl.cc
+++ b/third_party/nix/src/nix/repl.cc
@@ -22,9 +22,6 @@
 #include "libutil/finally.hh"
 #include "nix/command.hh"
 
-#define GC_INCLUDE_NEW
-#include <gc/gc_cpp.h>
-
 namespace nix {
 
 #define ESC_RED "\033[31m"
@@ -35,7 +32,7 @@ namespace nix {
 #define ESC_CYA "\033[36m"
 #define ESC_END "\033[0m"
 
-struct NixRepl : gc {
+struct NixRepl {
   std::string curDir;
   EvalState state;
   Bindings* autoArgs;