diff --git a/helix-core/src/graphemes.rs b/helix-core/src/graphemes.rs
index e0693769..7e5424be 100644
--- a/helix-core/src/graphemes.rs
+++ b/helix-core/src/graphemes.rs
@@ -160,7 +160,7 @@ pub struct RopeGraphemes<'a> {
 }
 
 impl<'a> RopeGraphemes<'a> {
-    pub fn new<'b>(slice: RopeSlice<'b>) -> RopeGraphemes<'b> {
+    pub fn new(slice: RopeSlice) -> RopeGraphemes {
         let mut chunks = slice.chunks();
         let first_chunk = chunks.next().unwrap_or("");
         RopeGraphemes {
diff --git a/helix-core/src/lib.rs b/helix-core/src/lib.rs
index 977129ef..14e58293 100644
--- a/helix-core/src/lib.rs
+++ b/helix-core/src/lib.rs
@@ -13,15 +13,12 @@ pub mod syntax;
 mod transaction;
 
 pub(crate) fn find_first_non_whitespace_char2(line: RopeSlice) -> Option<usize> {
-    let mut start = 0;
-
     // find first non-whitespace char
-    for ch in line.chars() {
+    for (start, ch) in line.chars().enumerate() {
         // TODO: could use memchr with chunks?
         if ch != ' ' && ch != '\t' && ch != '\n' {
             return Some(start);
         }
-        start += 1;
     }
 
     None