diff --git a/wgpu/src/backend/wgpu_core.rs b/wgpu/src/backend/wgpu_core.rs
index 1d4139e73f..ddc133dd1e 100644
--- a/wgpu/src/backend/wgpu_core.rs
+++ b/wgpu/src/backend/wgpu_core.rs
@@ -852,13 +852,10 @@ impl crate::Context for ContextWgpuCore {
             ShaderSource::Glsl {
                 ref shader,
                 stage,
-                ref defines,
+                defines,
             } => {
                 // Parse the given shader code and store its representation.
-                let options = naga::front::glsl::Options {
-                    stage,
-                    defines: defines.clone(),
-                };
+                let options = naga::front::glsl::Options { stage, defines };
                 let mut parser = naga::front::glsl::Frontend::default();
                 let module = parser.parse(&options, shader).unwrap();