diff --git a/src/librustdoc/lib.rs b/src/librustdoc/lib.rs
index 2f88f6dc6e0aa..fc2acb6eaa358 100644
--- a/src/librustdoc/lib.rs
+++ b/src/librustdoc/lib.rs
@@ -503,13 +503,6 @@ fn opts() -> Vec<RustcOptGroup> {
                 "PATH",
             )
         }),
-        unstable("disable-per-crate-search", |o| {
-            o.optflagmulti(
-                "",
-                "disable-per-crate-search",
-                "disables generating the crate selector on the search box",
-            )
-        }),
         unstable("persist-doctests", |o| {
             o.optopt(
                 "",
diff --git a/tests/run-make/issue-88756-default-output/output-default.stdout b/tests/run-make/issue-88756-default-output/output-default.stdout
index f5981045b03db..38a3965f0c53d 100644
--- a/tests/run-make/issue-88756-default-output/output-default.stdout
+++ b/tests/run-make/issue-88756-default-output/output-default.stdout
@@ -133,9 +133,6 @@ Options:
                         Path string to force loading static files from in
                         output pages. If not set, uses combinations of '../'
                         to reach the documentation root.
-        --disable-per-crate-search 
-                        disables generating the crate selector on the search
-                        box
         --persist-doctests PATH
                         Directory to persist doctest executables into
         --show-coverage 
diff --git a/tests/rustdoc/no-crate-filter.rs b/tests/rustdoc/no-crate-filter.rs
deleted file mode 100644
index b2f89906480d6..0000000000000
--- a/tests/rustdoc/no-crate-filter.rs
+++ /dev/null
@@ -1,6 +0,0 @@
-#![crate_name = "foo"]
-
-// compile-flags: -Z unstable-options --disable-per-crate-search
-
-// @!has 'foo/struct.Foo.html' '//*[id="crate-search"]' ''
-pub struct Foo;