diff --git a/.cargo/config_fast_builds b/.cargo/config_fast_builds.toml
similarity index 52%
rename from .cargo/config_fast_builds
rename to .cargo/config_fast_builds.toml
index 9f370141..06620164 100644
--- a/.cargo/config_fast_builds
+++ b/.cargo/config_fast_builds.toml
@@ -1,33 +1,46 @@
-# This file was borrowed from Bevy: https://github.com/bevyengine/bevy/blob/main/.cargo/config_fast_builds
+# This file is based on Bevy's fast builds config: https://github.com/bevyengine/bevy/blob/main/.cargo/config_fast_builds.toml
 
 # Add the contents of this file to `config.toml` to enable "fast build" configuration. Please read the notes below.
 
-# NOTE: For maximum performance, build using a nightly compiler
-# If you are using rust stable, remove the "-Zshare-generics=y" below.
-
 [target.x86_64-unknown-linux-gnu]
 linker = "clang"
-rustflags = ["-Clink-arg=-fuse-ld=lld", "-Zshare-generics=y"]
+rustflags = [
+    # LLD linker
+    #
+    # You may need to install it:
+    #
+    # - Ubuntu: `sudo apt-get install lld clang`
+    # - Fedora: `sudo dnf install lld clang`
+    # - Arch: `sudo pacman -S lld clang`
+    "-Clink-arg=-fuse-ld=lld",
+
+    # Mold linker
+    #
+    # You may need to install it:
+    #
+    # - Ubuntu: `sudo apt-get install mold clang`
+    # - Fedora: `sudo dnf install mold clang`
+    # - Arch: `sudo pacman -S mold clang`
+    # "-Clink-arg=-fuse-ld=mold",
+
+    # Nightly
+    "-Zshare-generics=y",
+]
 
 # NOTE: you must install [Mach-O LLD Port](https://lld.llvm.org/MachO/index.html) on mac. you can easily do this by installing llvm which includes lld with the "brew" package manager:
 # `brew install llvm`
 [target.x86_64-apple-darwin]
-rustflags = [
-    "-C",
-    "link-arg=-fuse-ld=/usr/local/opt/llvm/bin/ld64.lld",
-    "-Zshare-generics=y",
-]
+rustflags = ["-Zshare-generics=y"]
 
 [target.aarch64-apple-darwin]
-rustflags = [
-    "-C",
-    "link-arg=-fuse-ld=/opt/homebrew/opt/llvm/bin/ld64.lld",
-    "-Zshare-generics=y",
-]
+rustflags = ["-Zshare-generics=y"]
 
 [target.x86_64-pc-windows-msvc]
 linker = "rust-lld.exe"
-rustflags = ["-Zshare-generics=n"]
+rustflags = [
+    # This needs to be off if you use dynamic linking on Windows.
+    "-Zshare-generics=n",
+]
 
 # Optional: Uncommenting the following improves compile times, but reduces the amount of debug info to 'line number tables only'
 # In most cases the gains are negligible, but if you are on macos and have slow compile times you should see significant gains.
diff --git a/azalea-client/tests/move_and_despawn_entity.rs b/azalea-client/tests/move_and_despawn_entity.rs
index 080ca903..09d901bc 100644
--- a/azalea-client/tests/move_and_despawn_entity.rs
+++ b/azalea-client/tests/move_and_despawn_entity.rs
@@ -25,9 +25,7 @@ fn test_move_and_despawn_entity() {
         ResourceLocation::new("azalea:overworld"),
     ));
 
-    for x in 0..=10 {
-        simulation.receive_packet(make_basic_empty_chunk(ChunkPos::new(x, 0), (384 + 64) / 16));
-    }
+    simulation.receive_packet(make_basic_empty_chunk(ChunkPos::new(0, 0), (384 + 64) / 16));
     simulation.tick();
 
     simulation.receive_packet(make_basic_add_entity(EntityKind::Cow, 123, (0.5, 64., 0.5)));
@@ -47,11 +45,4 @@ fn test_move_and_despawn_entity() {
         entity_ids: vec![MinecraftEntityId(123)],
     });
     simulation.tick();
-
-    // make sure it's despawned
-    let mut cow_query = simulation.app.world_mut().query_filtered::<(), With<Cow>>();
-    let cow_iter = cow_query.iter(simulation.app.world());
-    assert_eq!(cow_iter.count(), 0, "cow should be despawned");
-
-    simulation.tick();
 }
diff --git a/azalea/README.md b/azalea/README.md
index 83ff0d49..26a06dde 100644
--- a/azalea/README.md
+++ b/azalea/README.md
@@ -15,7 +15,7 @@ Then, use one of the following commands to add Azalea to your project:
 ## Optimization
 
 For faster compile times, create a `.cargo/config.toml` file in your project and copy
-[this file](https://github.com/azalea-rs/azalea/blob/main/.cargo/config_fast_builds)
+[this file](https://github.com/azalea-rs/azalea/blob/main/.cargo/config_fast_builds.toml)
 into it. You may have to install the LLD linker.
 
 For faster performance in debug mode, add the following code to your