diff --git a/src/lib.rs b/src/lib.rs
index c04e090..4c8b729 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -37,7 +37,7 @@ pub fn create_library(conn: &mut SqliteConnection, name: &str) -> Library {
         .expect("Error saving new post")
 }
 
-pub fn get_tag<'a>(conn: &mut SqliteConnection, tag: &'a str) -> Option<Tag> {
+pub fn get_tag(conn: &mut SqliteConnection, tag: &str) -> Option<Tag> {
     use crate::schema::tags::dsl::*;
     tags.filter(name.eq(&tag))
         .select(Tag::as_select())
@@ -52,7 +52,7 @@ pub fn list_tags(conn: &mut SqliteConnection) -> Vec<Tag> {
         .expect("can't list tags")
 }
 
-pub fn samples_with_tag<'a>(conn: &mut SqliteConnection, tag: &'a str) -> Vec<Sample> {
+pub fn samples_with_tag(conn: &mut SqliteConnection, tag: &str) -> Vec<Sample> {
     let tag = get_tag(conn, tag).expect("Expected tag to exist...");
 
     let sample_ids = SampleTag::belonging_to(&tag).select(schema::samples_tags::sample_id);