diff --git a/tests/by-util/test_false.rs b/tests/by-util/test_false.rs
index 01916ec62..a311a1cfc 100644
--- a/tests/by-util/test_false.rs
+++ b/tests/by-util/test_false.rs
@@ -8,7 +8,7 @@ use std::fs::OpenOptions;
 
 #[test]
 fn test_exit_code() {
-    new_ucmd!().fails();
+    new_ucmd!().fails().no_output();
 }
 
 #[test]
@@ -30,7 +30,7 @@ fn test_help() {
 #[test]
 fn test_short_options() {
     for option in ["-h", "-V"] {
-        new_ucmd!().arg(option).fails().stdout_is("");
+        new_ucmd!().arg(option).fails().no_output();
     }
 }
 
@@ -39,7 +39,7 @@ fn test_conflict() {
     new_ucmd!()
         .args(&["--help", "--version"])
         .fails()
-        .stdout_is("");
+        .no_output();
 }
 
 #[test]
diff --git a/tests/by-util/test_true.rs b/tests/by-util/test_true.rs
index 750c60132..3238fbb34 100644
--- a/tests/by-util/test_true.rs
+++ b/tests/by-util/test_true.rs
@@ -8,7 +8,7 @@ use std::fs::OpenOptions;
 
 #[test]
 fn test_exit_code() {
-    new_ucmd!().succeeds();
+    new_ucmd!().succeeds().no_output();
 }
 
 #[test]
@@ -30,7 +30,7 @@ fn test_help() {
 #[test]
 fn test_short_options() {
     for option in ["-h", "-V"] {
-        new_ucmd!().arg(option).succeeds().stdout_is("");
+        new_ucmd!().arg(option).succeeds().no_output();
     }
 }
 
@@ -39,7 +39,7 @@ fn test_conflict() {
     new_ucmd!()
         .args(&["--help", "--version"])
         .succeeds()
-        .stdout_is("");
+        .no_output();
 }
 
 #[test]