diff --git a/bin/main.rs b/bin/main.rs
index 2292bca..85e89e6 100644
--- a/bin/main.rs
+++ b/bin/main.rs
@@ -49,8 +49,8 @@ struct Opt {
 fn main() {
     let args = Opt::from_args();
     let f = filter::Filter::new(
-        args.keywords.clone().as_slice(),
-        args.not.clone().as_slice(),
+        args.keywords.as_slice(),
+        args.not.as_slice(),
         args.or_filter,
     );
 
diff --git a/src/filter.rs b/src/filter.rs
index ea0e63e..7e5f593 100644
--- a/src/filter.rs
+++ b/src/filter.rs
@@ -168,7 +168,6 @@ impl Filter {
                     Some(val) => *val += 1,
                     None => {
                         tagmap.insert(tag, 1);
-                        ()
                     }
                 }
             }
diff --git a/src/utility.rs b/src/utility.rs
index 855d933..434401a 100644
--- a/src/utility.rs
+++ b/src/utility.rs
@@ -1,4 +1,3 @@
-use lazy_static;
 use std::collections::BTreeSet as Set;
 use std::fs::File;
 use std::io::Read;
@@ -20,10 +19,8 @@ pub fn get_files(root: Option<String>) -> Result<Vec<String>, PatternError> {
     let txts = glob(&format!("{}/**/*.txt", dir))?;
     let mds = glob(&format!("{}/**/*.md", dir))?;
     let orgs = glob(&format!("{}/**/*.org", dir))?;
-    for filename in txts.chain(mds).chain(orgs) {
-        if let Ok(fname) = filename {
-            files.push(fname.to_string_lossy().into());
-        }
+    for filename in txts.chain(mds).chain(orgs).flatten() {
+        files.push(filename.to_string_lossy().into());
     }
     Ok(files)
 }