diff --git a/tests/ui/missing_const_for_fn/could_be_const.fixed b/tests/ui/missing_const_for_fn/could_be_const.fixed
index 754fe061c4ae..014fbb85c7a3 100644
--- a/tests/ui/missing_const_for_fn/could_be_const.fixed
+++ b/tests/ui/missing_const_for_fn/could_be_const.fixed
@@ -1,6 +1,6 @@
 #![warn(clippy::missing_const_for_fn)]
 #![allow(incomplete_features, clippy::let_and_return, clippy::missing_transmute_annotations)]
-#![feature(const_trait_impl, abi_vectorcall)]
+#![feature(const_trait_impl)]
 
 use std::mem::transmute;
 
@@ -211,8 +211,4 @@ mod extern_fn {
     //~^ ERROR: this could be a `const fn`
     const extern "system-unwind" fn system_unwind() {}
     //~^ ERROR: this could be a `const fn`
-    pub const extern "vectorcall" fn std_call() {}
-    //~^ ERROR: this could be a `const fn`
-    pub const extern "vectorcall-unwind" fn std_call_unwind() {}
-    //~^ ERROR: this could be a `const fn`
 }
diff --git a/tests/ui/missing_const_for_fn/could_be_const.rs b/tests/ui/missing_const_for_fn/could_be_const.rs
index 460be0733e03..4f7c2cbcf0b4 100644
--- a/tests/ui/missing_const_for_fn/could_be_const.rs
+++ b/tests/ui/missing_const_for_fn/could_be_const.rs
@@ -1,6 +1,6 @@
 #![warn(clippy::missing_const_for_fn)]
 #![allow(incomplete_features, clippy::let_and_return, clippy::missing_transmute_annotations)]
-#![feature(const_trait_impl, abi_vectorcall)]
+#![feature(const_trait_impl)]
 
 use std::mem::transmute;
 
@@ -211,8 +211,4 @@ mod extern_fn {
     //~^ ERROR: this could be a `const fn`
     extern "system-unwind" fn system_unwind() {}
     //~^ ERROR: this could be a `const fn`
-    pub extern "vectorcall" fn std_call() {}
-    //~^ ERROR: this could be a `const fn`
-    pub extern "vectorcall-unwind" fn std_call_unwind() {}
-    //~^ ERROR: this could be a `const fn`
 }
diff --git a/tests/ui/missing_const_for_fn/could_be_const.stderr b/tests/ui/missing_const_for_fn/could_be_const.stderr
index d553c5225565..cc7dfd0888d0 100644
--- a/tests/ui/missing_const_for_fn/could_be_const.stderr
+++ b/tests/ui/missing_const_for_fn/could_be_const.stderr
@@ -316,27 +316,5 @@ help: make the function `const`
 LL |     const extern "system-unwind" fn system_unwind() {}
    |     +++++
 
-error: this could be a `const fn`
-  --> tests/ui/missing_const_for_fn/could_be_const.rs:214:5
-   |
-LL |     pub extern "vectorcall" fn std_call() {}
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-help: make the function `const`
-   |
-LL |     pub const extern "vectorcall" fn std_call() {}
-   |         +++++
-
-error: this could be a `const fn`
-  --> tests/ui/missing_const_for_fn/could_be_const.rs:216:5
-   |
-LL |     pub extern "vectorcall-unwind" fn std_call_unwind() {}
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-help: make the function `const`
-   |
-LL |     pub const extern "vectorcall-unwind" fn std_call_unwind() {}
-   |         +++++
-
-error: aborting due to 26 previous errors
+error: aborting due to 24 previous errors