diff --git a/src/gradient.rs b/src/gradient.rs
index a1f29378..f771556e 100644
--- a/src/gradient.rs
+++ b/src/gradient.rs
@@ -1,5 +1,3 @@
-use std;
-
 #[inline(always)]
 #[rustfmt::skip]
 pub(crate) fn get2(index: usize) -> [f64; 2] {
diff --git a/src/noise_fns/generators/fractals/basicmulti.rs b/src/noise_fns/generators/fractals/basicmulti.rs
index 3ec40f81..bc5c6ec4 100644
--- a/src/noise_fns/generators/fractals/basicmulti.rs
+++ b/src/noise_fns/generators/fractals/basicmulti.rs
@@ -1,7 +1,6 @@
 use crate::math;
 
 use crate::noise_fns::{MultiFractal, NoiseFn, Perlin, Seedable};
-use std;
 
 /// Noise function that outputs heterogenous Multifractal noise.
 ///
diff --git a/src/noise_fns/generators/fractals/billow.rs b/src/noise_fns/generators/fractals/billow.rs
index a883b542..123e3906 100644
--- a/src/noise_fns/generators/fractals/billow.rs
+++ b/src/noise_fns/generators/fractals/billow.rs
@@ -1,6 +1,5 @@
 use crate::math::{self, scale_shift};
 use crate::noise_fns::{MultiFractal, NoiseFn, Perlin, Seedable};
-use std;
 
 /// Noise function that outputs "billowy" noise.
 ///
diff --git a/src/noise_fns/generators/fractals/fbm.rs b/src/noise_fns/generators/fractals/fbm.rs
index 24f79758..110f2761 100644
--- a/src/noise_fns/generators/fractals/fbm.rs
+++ b/src/noise_fns/generators/fractals/fbm.rs
@@ -1,7 +1,6 @@
 use crate::math;
 
 use crate::noise_fns::{MultiFractal, NoiseFn, Perlin, Seedable};
-use std;
 
 /// Noise function that outputs fBm (fractal Brownian motion) noise.
 ///
diff --git a/src/noise_fns/generators/fractals/hybridmulti.rs b/src/noise_fns/generators/fractals/hybridmulti.rs
index 2b778c4a..02142cda 100644
--- a/src/noise_fns/generators/fractals/hybridmulti.rs
+++ b/src/noise_fns/generators/fractals/hybridmulti.rs
@@ -1,7 +1,6 @@
 use crate::math;
 
 use crate::noise_fns::{MultiFractal, NoiseFn, Perlin, Seedable};
-use std;
 
 /// Noise function that outputs hybrid Multifractal noise.
 ///
diff --git a/src/noise_fns/generators/fractals/ridgedmulti.rs b/src/noise_fns/generators/fractals/ridgedmulti.rs
index 18f8b31b..c9b6cbeb 100644
--- a/src/noise_fns/generators/fractals/ridgedmulti.rs
+++ b/src/noise_fns/generators/fractals/ridgedmulti.rs
@@ -1,6 +1,5 @@
 use crate::math::{self, scale_shift};
 use crate::noise_fns::{MultiFractal, NoiseFn, Perlin, Seedable};
-use std;
 
 /// Noise function that outputs ridged-multifractal noise.
 ///
diff --git a/src/noise_fns/generators/worley.rs b/src/noise_fns/generators/worley.rs
index 07ea2010..6a2766ce 100644
--- a/src/noise_fns/generators/worley.rs
+++ b/src/noise_fns/generators/worley.rs
@@ -3,7 +3,6 @@ use crate::{
     noise_fns::{NoiseFn, Seedable},
     permutationtable::PermutationTable,
 };
-use std;
 
 /// Noise function that outputs Worley noise.
 #[derive(Clone, Copy, Debug)]
diff --git a/src/noise_fns/modifiers/curve.rs b/src/noise_fns/modifiers/curve.rs
index f41aca79..914b35e3 100644
--- a/src/noise_fns/modifiers/curve.rs
+++ b/src/noise_fns/modifiers/curve.rs
@@ -2,7 +2,6 @@ use crate::{
     math::{self, interpolate},
     noise_fns::NoiseFn,
 };
-use std;
 
 /// Noise function that maps the output value from the source function onto an
 /// arbitrary function curve.
diff --git a/src/noise_fns/modifiers/terrace.rs b/src/noise_fns/modifiers/terrace.rs
index 2499df7b..ebd8cae7 100644
--- a/src/noise_fns/modifiers/terrace.rs
+++ b/src/noise_fns/modifiers/terrace.rs
@@ -2,7 +2,6 @@ use crate::{
     math::{clamp, interpolate},
     noise_fns::NoiseFn,
 };
-use std;
 
 /// Noise function that maps the output value from the source function onto a
 /// terrace-forming curve.
diff --git a/src/utils/color_gradient.rs b/src/utils/color_gradient.rs
index 58bc1e0a..3585c45f 100644
--- a/src/utils/color_gradient.rs
+++ b/src/utils/color_gradient.rs
@@ -1,5 +1,4 @@
 use crate::math;
-use std;
 
 pub type Color = [u8; 4];
 
diff --git a/src/utils/noise_image.rs b/src/utils/noise_image.rs
index f0bc2be8..bc02834c 100644
--- a/src/utils/noise_image.rs
+++ b/src/utils/noise_image.rs
@@ -1,7 +1,5 @@
 use crate::utils::color_gradient::Color;
 #[cfg(feature = "image")]
-use image;
-#[cfg(feature = "image")]
 use std::{self, path::Path};
 
 const RASTER_MAX_WIDTH: u16 = 32_767;
diff --git a/src/utils/noise_map.rs b/src/utils/noise_map.rs
index 0fd7d86d..4addd2dc 100644
--- a/src/utils/noise_map.rs
+++ b/src/utils/noise_map.rs
@@ -1,8 +1,6 @@
 #[cfg(feature = "image")]
 use crate::math;
 #[cfg(feature = "image")]
-use image;
-#[cfg(feature = "image")]
 use std::{self, path::Path};
 
 const RASTER_MAX_WIDTH: u16 = 32_767;