diff --git a/shrooms-vb-core b/shrooms-vb-core
index 7e31fbd..bc86464 160000
--- a/shrooms-vb-core
+++ b/shrooms-vb-core
@@ -1 +1 @@
-Subproject commit 7e31fbd5824d612e26a176aa2946497cfb2aa02e
+Subproject commit bc864644f791e17d0060a60ebf1eea938bcf80af
diff --git a/src/emulator/shrooms_vb_core.rs b/src/emulator/shrooms_vb_core.rs
index 0d7593b..a241772 100644
--- a/src/emulator/shrooms_vb_core.rs
+++ b/src/emulator/shrooms_vb_core.rs
@@ -64,8 +64,6 @@ extern "C" {
     fn vb_emulate_ex(sims: *mut *mut VB, count: c_uint, cycles: *mut u32) -> c_int;
     #[link_name = "vbGetCartROM"]
     fn vb_get_cart_rom(sim: *mut VB, size: *mut u32) -> *mut c_void;
-    #[link_name = "vbGetPeer"]
-    fn vb_get_peer(sim: *mut VB) -> *mut VB;
     #[link_name = "vbGetPixels"]
     fn vb_get_pixels(
         sim: *mut VB,
@@ -205,11 +203,7 @@ impl Sim {
     }
 
     pub fn unlink(&mut self) {
-        let peer = unsafe { vb_get_peer(self.sim) };
-        if !peer.is_null() {
-            unsafe { vb_set_peer(peer, ptr::null_mut()) };
-            unsafe { vb_set_peer(self.sim, ptr::null_mut()) };
-        }
+        unsafe { vb_set_peer(self.sim, ptr::null_mut()) };
     }
 
     pub fn emulate(&mut self) {
@@ -292,11 +286,8 @@ impl Drop for Sim {
         // SAFETY: we made this pointer ourselves, we can for sure free it
         unsafe { drop(Box::from_raw(ptr)) };
 
-        // If we're linked to another sim, unlink them from ourselves.
-        let peer = unsafe { vb_get_peer(self.sim) };
-        if !peer.is_null() {
-            unsafe { vb_set_peer(peer, ptr::null_mut()) };
-        }
+        // If we're linked to another sim, unlink from them.
+        unsafe { vb_set_peer(self.sim, ptr::null_mut()) };
 
         let len = unsafe { vb_size_of() }.div_ceil(4);
         // SAFETY: the sim's memory originally came from a Vec<u64>