diff --git a/compiler/rustc_codegen_llvm/src/intrinsic.rs b/compiler/rustc_codegen_llvm/src/intrinsic.rs
index 13402edd13e2..d7a928f492f0 100644
--- a/compiler/rustc_codegen_llvm/src/intrinsic.rs
+++ b/compiler/rustc_codegen_llvm/src/intrinsic.rs
@@ -668,11 +668,6 @@ fn codegen_llvm_intrinsic_call(
             if arg_layout.is_zst() {
                 continue;
             }
-            if let BackendRepr::ScalarPair(_, _) = arg_layout.backend_repr {
-                llargument_tys.push(arg_layout.scalar_pair_element_llvm_type(self, 0, true));
-                llargument_tys.push(arg_layout.scalar_pair_element_llvm_type(self, 1, true));
-                continue;
-            }
             llargument_tys.push(arg_layout.immediate_llvm_type(self));
         }