diff --git a/.gitignore b/.gitignore
index 99c4dbc0..e4fc127c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,4 @@ gc.properties
 /android-example/**/.settings
 SDL2
 *.code-workspace
+.vscode/settings.json
diff --git a/.vscode/settings.json b/.vscode/settings.json
deleted file mode 100644
index 7b2b22c3..00000000
--- a/.vscode/settings.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-    "rust-analyzer.cargo.features": "all"
-}
\ No newline at end of file
diff --git a/examples/common/mod.rs b/examples/common/mod.rs
index 9417cd7a..cef863a7 100644
--- a/examples/common/mod.rs
+++ b/examples/common/mod.rs
@@ -3,10 +3,9 @@
 // OpenGL convenience wrappers used in the examples.
 
 use gl;
-use gl::types::{GLchar, GLenum, GLint, GLuint};
+use gl::types::{GLenum, GLint, GLuint};
 use std::fs::File;
 use std::io::Read;
-use std::os::raw::c_void;
 use std::ptr;
 use surfman::GLApi;
 
diff --git a/src/platform/generic/egl/surface.rs b/src/platform/generic/egl/surface.rs
index 625c5fb7..e2a3b4b1 100644
--- a/src/platform/generic/egl/surface.rs
+++ b/src/platform/generic/egl/surface.rs
@@ -95,12 +95,12 @@ impl EGLBackedSurface {
             // Create our texture.
             let texture_object = gl.create_texture().unwrap();
             // Save the current texture binding
-            let mut old_texture_object = gl.get_parameter_texture(gl::TEXTURE_BINDING_2D);
+            let old_texture_object = gl.get_parameter_texture(gl::TEXTURE_BINDING_2D);
             gl.bind_texture(gl::TEXTURE_2D, Some(texture_object));
             // Unbind PIXEL_UNPACK_BUFFER, because if it is bound,
             // it can cause errors in glTexImage2D.
             // TODO: should this be inside a check for GL 2.0?
-            let mut unpack_buffer = gl.get_parameter_buffer(gl::PIXEL_UNPACK_BUFFER_BINDING);
+            let unpack_buffer = gl.get_parameter_buffer(gl::PIXEL_UNPACK_BUFFER_BINDING);
             if unpack_buffer.is_some() {
                 gl.bind_buffer(gl::PIXEL_UNPACK_BUFFER, None);
             }
diff --git a/src/platform/unix/wayland/context.rs b/src/platform/unix/wayland/context.rs
index 7bff4286..16d2c274 100644
--- a/src/platform/unix/wayland/context.rs
+++ b/src/platform/unix/wayland/context.rs
@@ -2,8 +2,6 @@
 //
 //! OpenGL rendering contexts on Wayland.
 
-use glow::HasContext;
-
 use super::device::Device;
 use super::surface::Surface;
 use crate::context::ContextID;
diff --git a/src/platform/unix/x11/context.rs b/src/platform/unix/x11/context.rs
index 330f75bb..def50546 100644
--- a/src/platform/unix/x11/context.rs
+++ b/src/platform/unix/x11/context.rs
@@ -2,8 +2,6 @@
 //
 //! OpenGL rendering contexts on X11 via EGL.
 
-use glow::HasContext;
-
 use super::device::Device;
 use super::surface::Surface;
 use crate::context::ContextID;
diff --git a/src/surface.rs b/src/surface.rs
index 694801bd..29262565 100644
--- a/src/surface.rs
+++ b/src/surface.rs
@@ -5,7 +5,6 @@
 use crate::context::ContextID;
 
 use euclid::default::Size2D;
-use glow::NativeFramebuffer;
 use std::fmt::{self, Display, Formatter};
 
 /// Various data about the surface.