diff --git a/src/test/ui/coherence/issue-100191-2.rs b/src/test/ui/coherence/issue-100191-2.rs
deleted file mode 100644
index 1c8316f87fa..00000000000
--- a/src/test/ui/coherence/issue-100191-2.rs
+++ /dev/null
@@ -1,12 +0,0 @@
-//~ ERROR overflow evaluating the requirement `T: Trait<_>`
-
-#![feature(specialization, with_negative_coherence)]
-#![allow(incomplete_features)]
-
-pub trait Trait<T> {}
-
-default impl<T, U> Trait<T> for U {}
-
-impl<T> Trait<<T as Iterator>::Item> for T {}
-
-fn main() {}
diff --git a/src/test/ui/coherence/issue-100191.rs b/src/test/ui/coherence/issue-100191.rs
deleted file mode 100644
index e8597fde54d..00000000000
--- a/src/test/ui/coherence/issue-100191.rs
+++ /dev/null
@@ -1,21 +0,0 @@
-#![crate_type = "lib"]
-#![feature(specialization, with_negative_coherence)]
-#![allow(incomplete_features)]
-
-trait X {}
-trait Y: X {}
-trait Z {
-    type Assoc: Y;
-}
-struct A<T>(T);
-
-impl<T> Y for T where T: X {}
-impl<T: X> Z for A<T> {
-    type Assoc = T;
-}
-
-// this impl is invalid, but causes an ICE anyway
-impl<T> From<<A<T> as Z>::Assoc> for T {}
-//~^ ERROR type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
-
-fn main() {}
diff --git a/src/test/ui/specialization/issue-43037.stderr b/src/test/ui/specialization/issue-43037.current.stderr
similarity index 94%
rename from src/test/ui/specialization/issue-43037.stderr
rename to src/test/ui/specialization/issue-43037.current.stderr
index 4249cd89477..26db9d7c997 100644
--- a/src/test/ui/specialization/issue-43037.stderr
+++ b/src/test/ui/specialization/issue-43037.current.stderr
@@ -1,5 +1,5 @@
 error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
-  --> $DIR/issue-43037.rs:17:6
+  --> $DIR/issue-43037.rs:19:6
    |
 LL | impl<T> From<<A<T> as Z>::Assoc> for T {}
    |      ^ type parameter `T` must be used as the type parameter for some local type
diff --git a/src/test/ui/coherence/issue-100191.stderr b/src/test/ui/specialization/issue-43037.negative.stderr
similarity index 94%
rename from src/test/ui/coherence/issue-100191.stderr
rename to src/test/ui/specialization/issue-43037.negative.stderr
index 1adb0f1e4fa..26db9d7c997 100644
--- a/src/test/ui/coherence/issue-100191.stderr
+++ b/src/test/ui/specialization/issue-43037.negative.stderr
@@ -1,5 +1,5 @@
 error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
-  --> $DIR/issue-100191.rs:18:6
+  --> $DIR/issue-43037.rs:19:6
    |
 LL | impl<T> From<<A<T> as Z>::Assoc> for T {}
    |      ^ type parameter `T` must be used as the type parameter for some local type
diff --git a/src/test/ui/specialization/issue-43037.rs b/src/test/ui/specialization/issue-43037.rs
index c49119f9c09..a1e3f998b23 100644
--- a/src/test/ui/specialization/issue-43037.rs
+++ b/src/test/ui/specialization/issue-43037.rs
@@ -1,4 +1,6 @@
+// revisions: current negative
 #![feature(specialization)]
+#![cfg_attr(negative, feature(with_negative_coherence))]
 #![allow(incomplete_features)]
 
 trait X {}
diff --git a/src/test/ui/specialization/issue-45814.stderr b/src/test/ui/specialization/issue-45814.current.stderr
similarity index 94%
rename from src/test/ui/specialization/issue-45814.stderr
rename to src/test/ui/specialization/issue-45814.current.stderr
index 419345addc2..5013559b80e 100644
--- a/src/test/ui/specialization/issue-45814.stderr
+++ b/src/test/ui/specialization/issue-45814.current.stderr
@@ -2,7 +2,7 @@ error[E0275]: overflow evaluating the requirement `T: Trait<_>`
    |
    = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`issue_45814`)
 note: required for `T` to implement `Trait<_>`
-  --> $DIR/issue-45814.rs:8:20
+  --> $DIR/issue-45814.rs:9:20
    |
 LL | default impl<T, U> Trait<T> for U {}
    |                    ^^^^^^^^     ^
diff --git a/src/test/ui/coherence/issue-100191-2.stderr b/src/test/ui/specialization/issue-45814.negative.stderr
similarity index 81%
rename from src/test/ui/coherence/issue-100191-2.stderr
rename to src/test/ui/specialization/issue-45814.negative.stderr
index d50c220bcfd..5013559b80e 100644
--- a/src/test/ui/coherence/issue-100191-2.stderr
+++ b/src/test/ui/specialization/issue-45814.negative.stderr
@@ -1,8 +1,8 @@
 error[E0275]: overflow evaluating the requirement `T: Trait<_>`
    |
-   = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`issue_100191_2`)
+   = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`issue_45814`)
 note: required for `T` to implement `Trait<_>`
-  --> $DIR/issue-100191-2.rs:8:20
+  --> $DIR/issue-45814.rs:9:20
    |
 LL | default impl<T, U> Trait<T> for U {}
    |                    ^^^^^^^^     ^
diff --git a/src/test/ui/specialization/issue-45814.rs b/src/test/ui/specialization/issue-45814.rs
index 8ee5d3e2e58..fce236390c2 100644
--- a/src/test/ui/specialization/issue-45814.rs
+++ b/src/test/ui/specialization/issue-45814.rs
@@ -1,6 +1,7 @@
 //~ ERROR overflow evaluating the requirement `T: Trait<_>`
-
+// revisions: current negative
 #![feature(specialization)]
+#![cfg_attr(negative, feature(with_negative_coherence))]
 #![allow(incomplete_features)]
 
 pub trait Trait<T> {}