1 files changed, 0 insertions, 3 deletions
diff --git a/backend/Mach.v b/backend/Mach.v
index 669d35e7..56c03699 100644
--- a/backend/Mach.v
+++ b/backend/Mach.v
@@ -21,10 +21,7 @@ Require Import Maps.
 Require Import AST.
 Require Import Integers.
 Require Import Values.
-Require Import Memory.
-Require Import Events.
 Require Import Globalenvs.
-Require Import Smallstep.
 Require Import Op.
 Require Import Locations.
 Require Import Conventions.