2 files changed, 0 insertions, 20 deletions
diff --git a/compiler/rustc_ast_passes/src/ast_validation.rs b/compiler/rustc_ast_passes/src/ast_validation.rs
index 34aac6e4473..1088db74cc9 100644
--- a/compiler/rustc_ast_passes/src/ast_validation.rs
+++ b/compiler/rustc_ast_passes/src/ast_validation.rs
@@ -1366,17 +1366,6 @@ impl<'a> Visitor<'a> for AstValidator<'a> {
                     {
                         self.dcx().emit_err(errors::TildeConstDisallowed { span, reason });
                     }
-                    (
-                        _,
-                        BoundConstness::Always(_) | BoundConstness::Maybe(_),
-                        BoundPolarity::Negative(_) | BoundPolarity::Maybe(_),
-                    ) => {
-                        self.dcx().emit_err(errors::IncompatibleTraitBoundModifiers {
-                            span: bound.span(),
-                            left: modifiers.constness.as_str(),
-                            right: modifiers.polarity.as_str(),
-                        });
-                    }
                     _ => {}
                 }
 
diff --git a/compiler/rustc_ast_passes/src/errors.rs b/compiler/rustc_ast_passes/src/errors.rs
index 215ccd2ab4d..9151c4a7c7c 100644
--- a/compiler/rustc_ast_passes/src/errors.rs
+++ b/compiler/rustc_ast_passes/src/errors.rs
@@ -657,15 +657,6 @@ pub enum TildeConstReason {
 }
 
 #[derive(Diagnostic)]
-#[diag(ast_passes_incompatible_trait_bound_modifiers)]
-pub struct IncompatibleTraitBoundModifiers {
-    #[primary_span]
-    pub span: Span,
-    pub left: &'static str,
-    pub right: &'static str,
-}
-
-#[derive(Diagnostic)]
 #[diag(ast_passes_const_and_async)]
 pub struct ConstAndAsync {
     #[primary_span]