diff --git a/crates/nu-cmd-extra/src/extra/strings/str_/mod.rs b/crates/nu-cmd-extra/src/extra/strings/str_/mod.rs
index 61fccfff69..481b440e3a 100644
--- a/crates/nu-cmd-extra/src/extra/strings/str_/mod.rs
+++ b/crates/nu-cmd-extra/src/extra/strings/str_/mod.rs
@@ -1,3 +1 @@
 pub(crate) mod case;
-
-pub use case::*;
diff --git a/crates/nu-command/src/strings/parse.rs b/crates/nu-command/src/strings/parse.rs
index ceaec0fc2b..186db1886a 100644
--- a/crates/nu-command/src/strings/parse.rs
+++ b/crates/nu-command/src/strings/parse.rs
@@ -321,9 +321,7 @@ impl Iterator for ParseStreamer {
                 }
             }
 
-            let Some(v) = self.stream.next() else {
-                return None;
-            };
+            let v = self.stream.next()?;
 
             let Ok(s) = v.as_string() else {
                 return Some(Value::error(
diff --git a/crates/nu-command/src/strings/str_/index_of.rs b/crates/nu-command/src/strings/str_/index_of.rs
index 604c1c6b8a..d5f5d198d5 100644
--- a/crates/nu-command/src/strings/str_/index_of.rs
+++ b/crates/nu-command/src/strings/str_/index_of.rs
@@ -27,9 +27,6 @@ impl CmdArgument for Arguments {
 #[derive(Clone)]
 pub struct SubCommand;
 
-#[derive(Clone)]
-pub struct IndexOfOptionalBounds(i32, i32);
-
 impl Command for SubCommand {
     fn name(&self) -> &str {
         "str index-of"
diff --git a/src/test_bins.rs b/src/test_bins.rs
index 32d7e6d408..75f13ed382 100644
--- a/src/test_bins.rs
+++ b/src/test_bins.rs
@@ -181,7 +181,7 @@ pub fn chop() {
     let stdin = io::stdin();
     let mut stdout = io::stdout();
 
-    for given in stdin.lock().lines().flatten() {
+    for given in stdin.lock().lines().map_while(Result::ok) {
         let chopped = if given.is_empty() {
             &given
         } else {