diff --git a/compiler-lib/compiler/demodularizer/replace-modidx.rkt b/compiler-lib/compiler/demodularizer/replace-modidx.rkt
index f470e2b8f1..4cd6fc698a 100644
--- a/compiler-lib/compiler/demodularizer/replace-modidx.rkt
+++ b/compiler-lib/compiler/demodularizer/replace-modidx.rkt
@@ -2,7 +2,7 @@
 
 (require racket/match
          racket/vector
-         unstable/struct
+         racket/struct
          "util.rkt")
 
 (provide replace-modidx)
diff --git a/zo-lib/compiler/zo-marshal.rkt b/zo-lib/compiler/zo-marshal.rkt
index cd3bb995ff..960c7cbe30 100644
--- a/zo-lib/compiler/zo-marshal.rkt
+++ b/zo-lib/compiler/zo-marshal.rkt
@@ -1,6 +1,5 @@
 #lang racket/base
 (require compiler/zo-structs
-         unstable/struct
          racket/port
          racket/vector
          racket/match
diff --git a/zo-lib/compiler/zo-parse.rkt b/zo-lib/compiler/zo-parse.rkt
index 9e00c2461e..a6a64aa2b6 100644
--- a/zo-lib/compiler/zo-parse.rkt
+++ b/zo-lib/compiler/zo-parse.rkt
@@ -2,7 +2,7 @@
 (require racket/function
          racket/match
          racket/list
-         unstable/struct
+         racket/struct
          compiler/zo-structs
          racket/dict
          racket/set)