diff --git a/src/uu/rm/src/rm.rs b/src/uu/rm/src/rm.rs
index 6723f45d4..2974eb9cc 100644
--- a/src/uu/rm/src/rm.rs
+++ b/src/uu/rm/src/rm.rs
@@ -51,7 +51,7 @@ static OPT_PROMPT_MORE: &str = "prompt-more";
 static OPT_RECURSIVE: &str = "recursive";
 static OPT_RECURSIVE_R: &str = "recursive_R";
 static OPT_VERBOSE: &str = "verbose";
-static PRESUME_INPUT_TTY: &str = "presume-input-tty";
+static PRESUME_INPUT_TTY: &str = "-presume-input-tty";
 
 static ARG_FILES: &str = "files";
 
@@ -219,9 +219,12 @@ pub fn uu_app<'a>() -> App<'a> {
         // It is relatively difficult to ensure that there is a tty on stdin.
         // Since rm acts differently depending on that, without this option,
         // it'd be harder to test the parts of rm that depend on that setting.
+        // In contrast with Arg::long, Arg::alias does not strip leading
+        // hyphens. Therefore it supports 3 leading hyphens.
         .arg(
             Arg::new(PRESUME_INPUT_TTY)
             .long(PRESUME_INPUT_TTY)
+            .alias(PRESUME_INPUT_TTY)
             .hide(true)
         )
         .arg(
diff --git a/tests/by-util/test_rm.rs b/tests/by-util/test_rm.rs
index 70d0efd36..f813f071c 100644
--- a/tests/by-util/test_rm.rs
+++ b/tests/by-util/test_rm.rs
@@ -316,19 +316,6 @@ fn test_rm_verbose_slash() {
 }
 
 #[test]
-fn test_rm_silently_accepts_presume_input_tty1() {
-    let (at, mut ucmd) = at_and_ucmd!();
-    let file_1 = "test_rm_silently_accepts_presume_input_tty1";
-
-    at.touch(file_1);
-
-    ucmd.arg("--presume-input-tty").arg(file_1).succeeds();
-
-    assert!(!at.file_exists(file_1));
-}
-
-#[test]
-#[ignore]
 fn test_rm_silently_accepts_presume_input_tty2() {
     let (at, mut ucmd) = at_and_ucmd!();
     let file_2 = "test_rm_silently_accepts_presume_input_tty2";
@@ -339,16 +326,3 @@ fn test_rm_silently_accepts_presume_input_tty2() {
 
     assert!(!at.file_exists(file_2));
 }
-
-#[test]
-#[ignore]
-fn test_rm_silently_accepts_presume_input_tty3() {
-    let (at, mut ucmd) = at_and_ucmd!();
-    let file_3 = "test_rm_silently_accepts_presume_input_tty3";
-
-    at.touch(file_3);
-
-    ucmd.arg("----presume-input-tty").arg(file_3).succeeds();
-
-    assert!(!at.file_exists(file_3));
-}