diff --git a/kernel/src/process/process/mod.rs b/kernel/src/process/process/mod.rs
index 800ea13e9..69ab1c6d8 100644
--- a/kernel/src/process/process/mod.rs
+++ b/kernel/src/process/process/mod.rs
@@ -379,13 +379,6 @@ impl Process {
         let mut session_table_mut = process_table::session_table_mut();
         let mut group_table_mut = process_table::group_table_mut();
 
-        if session_table_mut.contains_key(&self.pid) {
-            // FIXME: According to the Linux implementation, this check should be removed, so we'll
-            // return `EPERM` due to hitting the following check. However, we need to work around a
-            // gVisor bug. The upstream gVisor has fixed the issue in:
-            // <https://github.com/google/gvisor/commit/582f7bf6c0ccccaeb1215a232709df38d5d409f7>.
-            return Ok(self.pid);
-        }
         if group_table_mut.contains_key(&self.pid) {
             return_errno_with_message!(
                 Errno::EPERM,
diff --git a/test/initramfs/src/apps/process/group_session.c b/test/initramfs/src/apps/process/group_session.c
index b58dece7e..01abb8ea6 100644
--- a/test/initramfs/src/apps/process/group_session.c
+++ b/test/initramfs/src/apps/process/group_session.c
@@ -138,11 +138,7 @@ END_TEST()
 
 FN_TEST(setsid_session_leader)
 {
-	// FIXME: We fail this test to work around a gVisor bug.
-	// See comments in `Process::to_new_session` for details.
-#ifndef __asterinas__
 	TEST_ERRNO(setsid(), EPERM);
-#endif
 }
 END_TEST()