diff --git a/kernel/amd64/intr_stub.S b/kernel/amd64/intr_stub.S
index 7750c4e..0d3347f 100644
--- a/kernel/amd64/intr_stub.S
+++ b/kernel/amd64/intr_stub.S
@@ -30,7 +30,6 @@
   ;                             \
   movq %rsp, %rbp;              \
   ;                             \
-  subq $8, %rsp;                \
   andq $-16, %rsp;              \
   ;                             \
   callq intr_handler;     \
diff --git a/kernel/amd64/syscallentry.S b/kernel/amd64/syscallentry.S
index 658ec7d..2c63ebd 100644
--- a/kernel/amd64/syscallentry.S
+++ b/kernel/amd64/syscallentry.S
@@ -32,7 +32,6 @@ syscall_entry:
 
   movq %rsp, %rbp
 
-  subq $8, %rsp
   andq $-16, %rsp
 
   callq syscall_dispatch