diff --git a/src/librustc_llvm/diagnostic.rs b/src/librustc_llvm/diagnostic.rs
index c09048d677e81..acb47516150cf 100644
--- a/src/librustc_llvm/diagnostic.rs
+++ b/src/librustc_llvm/diagnostic.rs
@@ -37,7 +37,6 @@ impl OptimizationDiagnosticKind {
     }
 }
 
-#[derive(Copy, Clone)]
 pub struct OptimizationDiagnostic {
     pub kind: OptimizationDiagnosticKind,
     pub pass_name: *const c_char,
@@ -94,7 +93,6 @@ impl InlineAsmDiagnostic {
     }
 }
 
-#[derive(Copy, Clone)]
 pub enum Diagnostic {
     Optimization(OptimizationDiagnostic),
     InlineAsm(InlineAsmDiagnostic),