diff --git a/num_enum/tests/try_build/compile_fail/conflicting_derive.stderr b/num_enum/tests/try_build/compile_fail/conflicting_derive.stderr
index 55a0a23..4189539 100644
--- a/num_enum/tests/try_build/compile_fail/conflicting_derive.stderr
+++ b/num_enum/tests/try_build/compile_fail/conflicting_derive.stderr
@@ -1,20 +1,20 @@
-error[E0119]: conflicting implementations of trait `std::convert::TryFrom<u8>` for type `Numbers`
+error[E0119]: conflicting implementations of trait `num_enum::TryFromPrimitive` for type `Numbers`
  --> $DIR/conflicting_derive.rs:1:35
   |
 1 | #[derive(num_enum::FromPrimitive, num_enum::TryFromPrimitive)]
-  |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
+  |          -----------------------  ^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `Numbers`
+  |          |
+  |          first implementation here
   |
-  = note: conflicting implementation in crate `core`:
-          - impl<T, U> TryFrom<U> for T
-            where U: Into<T>;
   = note: this error originates in the derive macro `num_enum::TryFromPrimitive` (in Nightly builds, run with -Z macro-backtrace for more info)
 
-error[E0119]: conflicting implementations of trait `num_enum::TryFromPrimitive` for type `Numbers`
+error[E0119]: conflicting implementations of trait `std::convert::TryFrom<u8>` for type `Numbers`
  --> $DIR/conflicting_derive.rs:1:35
   |
 1 | #[derive(num_enum::FromPrimitive, num_enum::TryFromPrimitive)]
-  |          -----------------------  ^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `Numbers`
-  |          |
-  |          first implementation here
+  |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
+  = note: conflicting implementation in crate `core`:
+          - impl<T, U> TryFrom<U> for T
+            where U: Into<T>;
   = note: this error originates in the derive macro `num_enum::TryFromPrimitive` (in Nightly builds, run with -Z macro-backtrace for more info)
diff --git a/num_enum/tests/try_build/compile_fail/conflicting_derive.stderr_beta b/num_enum/tests/try_build/compile_fail/conflicting_derive.stderr_beta
deleted file mode 100644
index 4189539..0000000
--- a/num_enum/tests/try_build/compile_fail/conflicting_derive.stderr_beta
+++ /dev/null
@@ -1,20 +0,0 @@
-error[E0119]: conflicting implementations of trait `num_enum::TryFromPrimitive` for type `Numbers`
- --> $DIR/conflicting_derive.rs:1:35
-  |
-1 | #[derive(num_enum::FromPrimitive, num_enum::TryFromPrimitive)]
-  |          -----------------------  ^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `Numbers`
-  |          |
-  |          first implementation here
-  |
-  = note: this error originates in the derive macro `num_enum::TryFromPrimitive` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-error[E0119]: conflicting implementations of trait `std::convert::TryFrom<u8>` for type `Numbers`
- --> $DIR/conflicting_derive.rs:1:35
-  |
-1 | #[derive(num_enum::FromPrimitive, num_enum::TryFromPrimitive)]
-  |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
-  |
-  = note: conflicting implementation in crate `core`:
-          - impl<T, U> TryFrom<U> for T
-            where U: Into<T>;
-  = note: this error originates in the derive macro `num_enum::TryFromPrimitive` (in Nightly builds, run with -Z macro-backtrace for more info)
diff --git a/num_enum/tests/try_build/compile_fail/conflicting_derive.stderr_nightly b/num_enum/tests/try_build/compile_fail/conflicting_derive.stderr_nightly
deleted file mode 100644
index 4189539..0000000
--- a/num_enum/tests/try_build/compile_fail/conflicting_derive.stderr_nightly
+++ /dev/null
@@ -1,20 +0,0 @@
-error[E0119]: conflicting implementations of trait `num_enum::TryFromPrimitive` for type `Numbers`
- --> $DIR/conflicting_derive.rs:1:35
-  |
-1 | #[derive(num_enum::FromPrimitive, num_enum::TryFromPrimitive)]
-  |          -----------------------  ^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `Numbers`
-  |          |
-  |          first implementation here
-  |
-  = note: this error originates in the derive macro `num_enum::TryFromPrimitive` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-error[E0119]: conflicting implementations of trait `std::convert::TryFrom<u8>` for type `Numbers`
- --> $DIR/conflicting_derive.rs:1:35
-  |
-1 | #[derive(num_enum::FromPrimitive, num_enum::TryFromPrimitive)]
-  |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
-  |
-  = note: conflicting implementation in crate `core`:
-          - impl<T, U> TryFrom<U> for T
-            where U: Into<T>;
-  = note: this error originates in the derive macro `num_enum::TryFromPrimitive` (in Nightly builds, run with -Z macro-backtrace for more info)