diff --git a/yjit/src/cruby_bindings.inc.rs b/yjit/src/cruby_bindings.inc.rs
index 3e2961aa72..bf554a9f85 100644
--- a/yjit/src/cruby_bindings.inc.rs
+++ b/yjit/src/cruby_bindings.inc.rs
@@ -1312,7 +1312,6 @@ extern "C" {
     pub fn rb_get_cfp_sp(cfp: *mut rb_control_frame_struct) -> *mut VALUE;
     pub fn rb_set_cfp_pc(cfp: *mut rb_control_frame_struct, pc: *const VALUE);
     pub fn rb_set_cfp_sp(cfp: *mut rb_control_frame_struct, sp: *mut VALUE);
-    pub fn rb_cfp_get_iseq(cfp: *mut rb_control_frame_struct) -> *mut rb_iseq_t;
     pub fn rb_get_cfp_self(cfp: *mut rb_control_frame_struct) -> VALUE;
     pub fn rb_get_cfp_ep(cfp: *mut rb_control_frame_struct) -> *mut VALUE;
     pub fn rb_get_cfp_ep_level(cfp: *mut rb_control_frame_struct, lv: u32) -> *const VALUE;