diff --git a/core/src/.contact_info.rs.swo b/core/src/.contact_info.rs.swo
deleted file mode 100644
index 19e59a7dad..0000000000
Binary files a/core/src/.contact_info.rs.swo and /dev/null differ
diff --git a/fullnode/src/main.rs b/fullnode/src/main.rs
index de59cfc096..ad5ead6486 100644
--- a/fullnode/src/main.rs
+++ b/fullnode/src/main.rs
@@ -212,7 +212,7 @@ fn main() {
 
     let gossip_addr = {
         let mut addr = solana_netutil::parse_port_or_addr(
-            &matches.value_of("gossip_port"),
+            matches.value_of("gossip_port"),
             FULLNODE_PORT_RANGE.0 + 1,
         );
         if matches.is_present("public_address") {
diff --git a/netutil/src/lib.rs b/netutil/src/lib.rs
index 2364cf8781..9205e2d315 100644
--- a/netutil/src/lib.rs
+++ b/netutil/src/lib.rs
@@ -30,7 +30,7 @@ pub fn get_public_ip_addr() -> Result<IpAddr, String> {
     }
 }
 
-pub fn parse_port_or_addr(optstr: &Option<&str>, default_port: u16) -> SocketAddr {
+pub fn parse_port_or_addr(optstr: Option<&str>, default_port: u16) -> SocketAddr {
     let daddr = SocketAddr::from(([0, 0, 0, 0], default_port));
 
     if let Some(addrstr) = optstr {
@@ -293,13 +293,13 @@ mod tests {
 
     #[test]
     fn test_parse_port_or_addr() {
-        let p1 = parse_port_or_addr(&Some("9000"), 1);
+        let p1 = parse_port_or_addr(Some("9000"), 1);
         assert_eq!(p1.port(), 9000);
-        let p2 = parse_port_or_addr(&Some("127.0.0.1:7000"), 1);
+        let p2 = parse_port_or_addr(Some("127.0.0.1:7000"), 1);
         assert_eq!(p2.port(), 7000);
-        let p2 = parse_port_or_addr(&Some("hi there"), 1);
+        let p2 = parse_port_or_addr(Some("hi there"), 1);
         assert_eq!(p2.port(), 1);
-        let p3 = parse_port_or_addr(&None, 1);
+        let p3 = parse_port_or_addr(None, 1);
         assert_eq!(p3.port(), 1);
     }