Change: drop unnecessary lifetime annotations from step_names

1 files changed, 1 insertions, 1 deletions

diff --git a/src/roadmap.rs b/src/roadmap.rs
index 7b78572..7924874 100644
--- a/src/roadmap.rs
+++ b/src/roadmap.rs
@@ -25,7 +25,7 @@ impl Roadmap {
     }
 
     /// Return list of step names.
-    pub fn step_names<'a>(&'a self) -> impl Iterator<Item=&str> {
+    pub fn step_names(&self) -> impl Iterator<Item=&str> {
         self.steps.iter().map(|step| step.name())
     }