diff --git a/bare-metrics-gui/src/background_loader.rs b/bare-metrics-gui/src/background_loader.rs
index 3f2b144..61f26a1 100644
--- a/bare-metrics-gui/src/background_loader.rs
+++ b/bare-metrics-gui/src/background_loader.rs
@@ -1,17 +1,13 @@
-use crate::config::MetricTransform;
 use anyhow::{anyhow, bail};
 use bare_metrics_core::structures::{
     Frame, MetricDescriptor, MetricId, MetricKind, UnixTimestampMilliseconds,
 };
 use bare_metrics_reader::{MetricsLogReader, SeekToken};
-use eframe::egui::{
-    Color32, Frame as EguiFrame, PointerButton, Pos2, Rect, Sense, Stroke, TextStyle, Ui, Vec2,
-};
 use hdrhistogram::Histogram;
 use log::{debug, error, info};
 use std::collections::{BTreeMap, HashMap};
 use std::io::{Read, Seek};
-use std::ops::{DerefMut, Mul, RangeInclusive};
+use std::ops::{DerefMut, RangeInclusive};
 use std::sync::atomic::{AtomicBool, Ordering};
 use std::sync::mpsc::{Receiver, Sender};
 use std::sync::{Arc, Mutex, RwLock};
@@ -549,10 +545,10 @@ impl<R: Read + Seek> MetricsLogReaderManager<R> {
                 .insert(metric_id, unsummarised_histogram.summarise());
         }
 
-        for (metric_id, gauge) in metrics_window.gauges.iter_mut() {
+        for (_metric_id, gauge) in metrics_window.gauges.iter_mut() {
             gauge.summarise_in_place();
         }
-        for (metric_id, counter) in metrics_window.counters.iter_mut() {
+        for (_metric_id, counter) in metrics_window.counters.iter_mut() {
             counter.summarise_in_place();
         }
 
@@ -605,7 +601,7 @@ impl<R: Read + Seek> MetricsLogReaderManager<R> {
                         )?;
 
                         self.reader.seek(seek_token)?;
-                        let (start_ts, frame) = self
+                        let (_start_ts, frame) = self
                             .reader
                             .read_frame()?
                             .ok_or_else(|| anyhow!("Sought frame should exist"))?;
diff --git a/bare-metrics-gui/src/graph.rs b/bare-metrics-gui/src/graph.rs
index fb346de..5762b3c 100644
--- a/bare-metrics-gui/src/graph.rs
+++ b/bare-metrics-gui/src/graph.rs
@@ -1,21 +1,9 @@
 use crate::background_loader::MetricsLogReadingRequester;
-use crate::config::MetricTransform;
-use anyhow::{anyhow, bail};
-use bare_metrics_core::structures::{
-    Frame, MetricDescriptor, MetricId, MetricKind, UnixTimestampMilliseconds,
-};
-use bare_metrics_reader::{MetricsLogReader, SeekToken};
+use bare_metrics_core::structures::{MetricId, UnixTimestampMilliseconds};
 use eframe::egui::{
     Color32, Frame as EguiFrame, PointerButton, Pos2, Rect, Sense, Stroke, TextStyle, Ui, Vec2,
 };
-use hdrhistogram::Histogram;
-use log::{debug, error, info};
-use std::collections::{BTreeMap, HashMap};
-use std::io::{Read, Seek};
-use std::ops::{DerefMut, Mul, RangeInclusive};
-use std::sync::atomic::{AtomicBool, Ordering};
-use std::sync::mpsc::{Receiver, Sender};
-use std::sync::{Arc, Mutex, RwLock};
+use std::ops::{Mul, RangeInclusive};
 
 /// Renderer for a bare metrics graph.
 /// Should support rendering both line graphs and histograms.