diff --git a/src/mnt/fuse3.rs b/src/mnt/fuse3.rs
index b7942b54..ff5d0707 100644
--- a/src/mnt/fuse3.rs
+++ b/src/mnt/fuse3.rs
@@ -1,6 +1,5 @@
 use super::fuse3_sys::{
     fuse_session_destroy, fuse_session_fd, fuse_session_mount, fuse_session_new,
-    fuse_session_unmount,
 };
 use super::{with_fuse_args, MountOption};
 use std::{
@@ -54,7 +53,6 @@ impl Mount {
 impl Drop for Mount {
     fn drop(&mut self) {
         unsafe {
-            fuse_session_unmount(self.fuse_session);
             fuse_session_destroy(self.fuse_session);
         }
     }
diff --git a/src/mnt/fuse3_sys.rs b/src/mnt/fuse3_sys.rs
index c1af6131..e62f1fb5 100644
--- a/src/mnt/fuse3_sys.rs
+++ b/src/mnt/fuse3_sys.rs
@@ -25,7 +25,5 @@ extern "C" {
     // This function's argument is really a *fuse_session
     pub fn fuse_session_fd(se: *mut c_void) -> c_int;
     // This function's argument is really a *fuse_session
-    pub fn fuse_session_unmount(se: *mut c_void);
-    // This function's argument is really a *fuse_session
     pub fn fuse_session_destroy(se: *mut c_void);
 }