diff --git a/src/librustdoc/html/render/sidebar.rs b/src/librustdoc/html/render/sidebar.rs
index 7b282b0c61d7e..6a7d9250319aa 100644
--- a/src/librustdoc/html/render/sidebar.rs
+++ b/src/librustdoc/html/render/sidebar.rs
@@ -354,12 +354,10 @@ fn sidebar_trait<'a>(
 
     sidebar_assoc_items(cx, it, blocks, deref_id_map);
 
-    if !t.is_dyn_compatible(tcx) {
-        blocks.push(LinkBlock::forced(
-            Link::new("dyn-compatibility", "Dyn Compatibility"),
-            "dyn-compatibility-note",
-        ));
-    }
+    blocks.push(LinkBlock::forced(
+        Link::new("dyn-compatibility", "Dyn Compatibility"),
+        "dyn-compatibility-note",
+    ));
 
     blocks.push(LinkBlock::new(
         Link::new("foreign-impls", "Implementations on Foreign Types"),
diff --git a/tests/rustdoc-html/sidebar/sidebar-items.rs b/tests/rustdoc-html/sidebar/sidebar-items.rs
index bd0893dac3e36..19e6ab6d52580 100644
--- a/tests/rustdoc-html/sidebar/sidebar-items.rs
+++ b/tests/rustdoc-html/sidebar/sidebar-items.rs
@@ -26,7 +26,7 @@ pub trait Foo {
 }
 
 //@ has foo/trait.DynCompatible.html
-//@ !has - '//div[@class="sidebar-elems"]//h3/a[@href="#dyn-compatibility"]' ''
+//@ has - '//div[@class="sidebar-elems"]//h3/a[@href="#dyn-compatibility"]' ''
 pub trait DynCompatible {
     fn access(&self);
 }
diff --git a/tests/rustdoc-html/trait/trait-rustc_must_implement_one_of.rs b/tests/rustdoc-html/trait/trait-rustc_must_implement_one_of.rs
index 57accd9fa0791..40ca9ad8e3ff4 100644
--- a/tests/rustdoc-html/trait/trait-rustc_must_implement_one_of.rs
+++ b/tests/rustdoc-html/trait/trait-rustc_must_implement_one_of.rs
@@ -12,10 +12,12 @@
 //@ has - '//*[@class="stab must_implement"]/a[@href="#method.read"]' 'read'
 //@ has - '//*[@class="stab must_implement"]/a[@href="#method.read_buf"]' 'read_buf'
 
-// There should be 3 headings in the sidebar: Required/Provided methods and "Implementors".
-//@ count - '//*[@id="rustdoc-toc"]/h3' 3
+// There should be 4 headings in the sidebar: Required/Provided methods, "Implementors" and
+// "Dyn Compatibility".
+//@ count - '//*[@id="rustdoc-toc"]/h3' 4
 //@ has - '//*[@id="rustdoc-toc"]/h3/a[@href="#required-methods"]' 'Required Methods'
 //@ has - '//*[@id="rustdoc-toc"]/h3/a[@href="#provided-methods"]' 'Provided Methods'
+//@ has - '//*[@id="rustdoc-toc"]/h3/a[@href="#dyn-compatibility"]' 'Dyn Compatibility'
 //@ has - '//*[@id="rustdoc-toc"]/h3/a[@href="#implementors"]' 'Implementors'
 
 #[rustc_must_implement_one_of(read_buf, read)]
@@ -25,10 +27,12 @@ pub trait Read {
 }
 
 //@ has 'foo/trait.Tadam.html'
-// There should still be 3 headings in the sidebar: Required/Provided methods and "Implementors".
-//@ count - '//*[@id="rustdoc-toc"]/h3' 3
+// There should still be 4 headings in the sidebar: Required/Provided methods, "Implementors"
+// and "Dyn Compatibility".
+//@ count - '//*[@id="rustdoc-toc"]/h3' 4
 //@ has - '//*[@id="rustdoc-toc"]/h3/a[@href="#required-methods"]' 'Required Methods'
 //@ has - '//*[@id="rustdoc-toc"]/h3/a[@href="#provided-methods"]' 'Provided Methods'
+//@ has - '//*[@id="rustdoc-toc"]/h3/a[@href="#dyn-compatibility"]' 'Dyn Compatibility'
 //@ has - '//*[@id="rustdoc-toc"]/h3/a[@href="#implementors"]' 'Implementors'
 
 #[rustc_must_implement_one_of(read_buf, read)]
@@ -39,9 +43,11 @@ pub trait Tadam {
 }
 
 //@ has 'foo/trait.Other.html'
-// There should be 2 headings in the sidebar: Provided methods and "Implementors".
-//@ count - '//*[@id="rustdoc-toc"]/h3' 2
+// There should be 3 headings in the sidebar: Provided methods, "Implementors" and
+// "Dyn Compatibility".
+//@ count - '//*[@id="rustdoc-toc"]/h3' 3
 //@ has - '//*[@id="rustdoc-toc"]/h3/a[@href="#provided-methods"]' 'Provided Methods'
+//@ has - '//*[@id="rustdoc-toc"]/h3/a[@href="#dyn-compatibility"]' 'Dyn Compatibility'
 //@ has - '//*[@id="rustdoc-toc"]/h3/a[@href="#implementors"]' 'Implementors'
 
 pub trait Other {