diff --git a/src/main.rs b/src/main.rs
index 14d1a43..53d8711 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -10,7 +10,6 @@ use ffmpeg::media::Type;
 use ffmpeg::software::scaling::{context::Context, flag::Flags};
 use ffmpeg::util::frame::video::Video;
 use std::path::Path;
-use std::time::Instant;
 mod out;
 
 fn main() -> Result<(), Error> {
@@ -26,7 +25,6 @@ fn main() -> Result<(), Error> {
             .best(Type::Video)
             .ok_or(ffmpeg::Error::StreamNotFound)?;
         let video_stream_index = input.index();
-        let fps = input.avg_frame_rate();
 
         let context_decoder = ffmpeg::codec::context::Context::from_parameters(input.parameters())?;
         // Ctx's video decoder
@@ -54,7 +52,7 @@ fn main() -> Result<(), Error> {
 
                     // test::print_raw(&rgb_frame.data(0));
                     // test::print_square(&rgb_frame.data(0), rgb_frame.width() as usize);
-                    out::print_square(&rgb_frame, out::LinesFormat::RightLeft, video_stream_index);
+                    out::print_square(&rgb_frame, out::LinesFormat::RightLeft, video_stream_index).unwrap();
                     // test::small_matrix();
                 }
                 Ok(())
@@ -65,9 +63,6 @@ fn main() -> Result<(), Error> {
             // Is this for multiple video streams?
             if stream.index() == video_stream_index {
                 decoder.send_packet(&packet)?;
-
-                let now = Instant::now();
-
                 receive_and_process_decoded_frames(&mut decoder)?;
             }
         }