diff --git a/Cargo.toml b/Cargo.toml
index 42cffc6c..971cc0c0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -32,7 +32,6 @@ ahash = "0.8"
 # https://github.com/KhronosGroup/Vulkan-Headers/commits/main/registry/vk.xml
 ash = "0.37.3"
 bytemuck = "1.9"
-cgmath = "0.18"
 core-graphics-types = "0.1"
 crossbeam-queue = "0.3"
 half = "2.0"
@@ -41,7 +40,6 @@ indexmap = "2.0"
 libloading = "0.8"
 objc = "0.2.5"
 once_cell = "1.17"
-nalgebra = "0.32"
 parking_lot = "0.12"
 proc-macro2 = "1.0"
 proc-macro-crate = "1.2"
diff --git a/vulkano/Cargo.toml b/vulkano/Cargo.toml
index aeacb224..c9a10ddc 100644
--- a/vulkano/Cargo.toml
+++ b/vulkano/Cargo.toml
@@ -44,10 +44,6 @@ serde = { workspace = true, features = ["derive"] }
 serde_json = { workspace = true }
 vk-parse = { workspace = true }
 
-[dev-dependencies]
-cgmath = { workspace = true }
-nalgebra = { workspace = true }
-
 [features]
 default = ["macros"]
 macros = ["dep:vulkano-macros"]
diff --git a/vulkano/autogen/formats.rs b/vulkano/autogen/formats.rs
index 1d840d79..4d419ab9 100644
--- a/vulkano/autogen/formats.rs
+++ b/vulkano/autogen/formats.rs
@@ -565,16 +565,14 @@ fn formats_output(members: &[FormatMember]) -> TokenStream {
         ///
         /// For [`cgmath`]:
         ///
-        /// ```
-        /// # use vulkano::type_for_format;
+        /// ```ignore
         /// let pixel: type_for_format!(cgmath, R32G32B32A32_SFLOAT);
         /// pixel = cgmath::Vector4::new(1.0f32, 0.0, 0.0, 1.0);
         /// ```
         ///
         /// For [`nalgebra`]:
         ///
-        /// ```
-        /// # use vulkano::type_for_format;
+        /// ```ignore
         /// let pixel: type_for_format!(nalgebra, R32G32B32A32_SFLOAT);
         /// pixel = nalgebra::vector![1.0f32, 0.0, 0.0, 1.0];
         /// ```