diff --git a/src/bin/cargo/commands/run.rs b/src/bin/cargo/commands/run.rs
index c9e59770a28..61feefeb34c 100644
--- a/src/bin/cargo/commands/run.rs
+++ b/src/bin/cargo/commands/run.rs
@@ -90,9 +90,7 @@ pub fn exec(gctx: &mut GlobalContext, args: &ArgMatches) -> CliResult {
 /// See also `util/toml/mod.rs`s `is_embedded`
 pub fn is_manifest_command(arg: &str) -> bool {
     let path = Path::new(arg);
-    1 < path.components().count()
-        || path.extension() == Some(OsStr::new("rs"))
-        || path.file_name() == Some(OsStr::new("Cargo.toml"))
+    1 < path.components().count() || path.extension() == Some(OsStr::new("rs"))
 }
 
 pub fn exec_manifest_command(gctx: &mut GlobalContext, cmd: &str, args: &[OsString]) -> CliResult {
diff --git a/tests/testsuite/script.rs b/tests/testsuite/script.rs
index e5b3ac75af2..9173ddda9f3 100644
--- a/tests/testsuite/script.rs
+++ b/tests/testsuite/script.rs
@@ -68,28 +68,6 @@ args: []
         .run();
 }
 
-#[cargo_test]
-fn basic_cargo_toml() {
-    let p = cargo_test_support::project()
-        .file("src/main.rs", ECHO_SCRIPT)
-        .build();
-
-    p.cargo("-Zscript -v Cargo.toml")
-        .masquerade_as_nightly_cargo(&["script"])
-        .with_stdout_data(str![[r#"
-bin: target/debug/foo[EXE]
-args: []
-
-"#]])
-        .with_stderr_data(str![[r#"
-[COMPILING] foo v0.0.1 ([ROOT]/foo)
-[FINISHED] `dev` profile [unoptimized + debuginfo] target(s) in [ELAPSED]s
-[RUNNING] `target/debug/foo[EXE]`
-
-"#]])
-        .run();
-}
-
 #[cargo_test]
 fn path_required() {
     let p = cargo_test_support::project()