diff --git a/tests/by-util/test_install.rs b/tests/by-util/test_install.rs
index 5bae6d980c..35c0ddc490 100644
--- a/tests/by-util/test_install.rs
+++ b/tests/by-util/test_install.rs
@@ -4,8 +4,6 @@
 // file that was distributed with this source code.
 // spell-checker:ignore (words) helloworld nodir objdump n'source nconfined testdir
 
-#[cfg(not(target_os = "openbsd"))]
-use filetime::FileTime;
 use std::env::current_exe;
 use std::fs;
 #[cfg(target_os = "linux")]
@@ -516,7 +514,12 @@ fn test_install_compare_preserve_timestamps() {
     at.write(source, "data");
     at.write(dest, "data");
     let old = std::time::SystemTime::UNIX_EPOCH + Duration::from_secs(1_000_000);
-    filetime::set_file_mtime(at.plus(source), FileTime::from_system_time(old)).unwrap();
+    fs::OpenOptions::new()
+        .write(true)
+        .open(at.plus(source))
+        .unwrap()
+        .set_modified(old)
+        .unwrap();
 
     // With --preserve-timestamps, the timestamp difference forces the copy so
     // the destination ends up with the source's modification time.
@@ -725,7 +728,7 @@ fn test_install_copy_then_compare_file() {
         .no_stderr();
 
     let mut file2_meta = at.metadata(file2);
-    let before = FileTime::from_last_modification_time(&file2_meta);
+    let before = file2_meta.modified().unwrap();
 
     scene
         .ucmd()
@@ -736,7 +739,7 @@ fn test_install_copy_then_compare_file() {
         .no_stderr();
 
     file2_meta = at.metadata(file2);
-    let after = FileTime::from_last_modification_time(&file2_meta);
+    let after = file2_meta.modified().unwrap();
 
     assert_eq!(before, after);
 }
@@ -760,7 +763,7 @@ fn test_install_copy_then_compare_file_with_extra_mode() {
         .no_stderr();
 
     let mut file2_meta = at.metadata(file2);
-    let before = FileTime::from_last_modification_time(&file2_meta);
+    let before = file2_meta.modified().unwrap();
     sleep(std::time::Duration::from_millis(100));
 
     scene
@@ -776,7 +779,7 @@ fn test_install_copy_then_compare_file_with_extra_mode() {
         );
 
     file2_meta = at.metadata(file2);
-    let after_install_sticky = FileTime::from_last_modification_time(&file2_meta);
+    let after_install_sticky = file2_meta.modified().unwrap();
 
     assert_ne!(before, after_install_sticky);
 
@@ -792,7 +795,7 @@ fn test_install_copy_then_compare_file_with_extra_mode() {
         .no_stderr();
 
     file2_meta = at.metadata(file2);
-    let after_install_sticky_again = FileTime::from_last_modification_time(&file2_meta);
+    let after_install_sticky_again = file2_meta.modified().unwrap();
 
     assert_ne!(after_install_sticky, after_install_sticky_again);
 }