diff --git a/build.rs b/build.rs
index 8aa10b352..435b10d1f 100644
--- a/build.rs
+++ b/build.rs
@@ -97,7 +97,7 @@ fn detect_cfgs(target: &mut Target) {
             Ok(target.r#if("WEXITSTATUS(0x007f) == 0x7f", "sys/wait.h"))
         }),
     ] {
-        match handler(&target) {
+        match handler(target) {
             Err(e) => rsconf::warn!("{}: {}", name, e),
             Ok(true) => rsconf::enable_cfg(name),
             Ok(false) => (),
diff --git a/src/reader.rs b/src/reader.rs
index f5a2c2071..8277d2076 100644
--- a/src/reader.rs
+++ b/src/reader.rs
@@ -2799,7 +2799,7 @@ fn handle_readline_command(&mut self, c: ReadlineCmd, rls: &mut ReadlineLoopStat
                         replacement.extend(chr.to_lowercase());
                     };
                     capitalized_first = capitalized_first || make_uppercase;
-                    pos = pos + 1;
+                    pos += 1;
                 }
                 self.replace_substring(elt, init_pos..pos, replacement);
                 self.update_buff_pos(elt, None);