diff --git a/rustfmt.toml b/rustfmt.toml
index 7cc029d2776..91abd35d748 100644
--- a/rustfmt.toml
+++ b/rustfmt.toml
@@ -17,7 +17,6 @@ ignore = [
     "/tests/incremental/",            # These tests are somewhat sensitive to source code layout.
     "/tests/pretty/",                 # These tests are very sensitive to source code layout.
     "/tests/run-make/translation/test.rs", # This test contains syntax errors.
-    "/tests/run-make-fulldeps/",
     "/tests/run-pass-valgrind/",
     "/tests/rustdoc/",
     "/tests/rustdoc-gui/",
diff --git a/tests/run-make-fulldeps/hotplug_codegen_backend/the_backend.rs b/tests/run-make-fulldeps/hotplug_codegen_backend/the_backend.rs
index 28a1e27cccc..07466440aab 100644
--- a/tests/run-make-fulldeps/hotplug_codegen_backend/the_backend.rs
+++ b/tests/run-make-fulldeps/hotplug_codegen_backend/the_backend.rs
@@ -27,7 +27,9 @@
 struct TheBackend;
 
 impl CodegenBackend for TheBackend {
-    fn locale_resource(&self) -> &'static str { "" }
+    fn locale_resource(&self) -> &'static str {
+        ""
+    }
 
     fn codegen_crate<'a, 'tcx>(
         &self,
@@ -62,7 +64,10 @@ fn link(
         codegen_results: CodegenResults,
         outputs: &OutputFilenames,
     ) -> Result<(), ErrorGuaranteed> {
-        use rustc_session::{config::{CrateType, OutFileName}, output::out_filename};
+        use rustc_session::{
+            config::{CrateType, OutFileName},
+            output::out_filename,
+        };
         use std::io::Write;
         let crate_name = codegen_results.crate_info.local_crate_name;
         for &crate_type in sess.opts.crate_types.iter() {
diff --git a/tests/run-make-fulldeps/pretty-expanded/input.rs b/tests/run-make-fulldeps/pretty-expanded/input.rs
index 02b235068a1..64ed97572ee 100644
--- a/tests/run-make-fulldeps/pretty-expanded/input.rs
+++ b/tests/run-make-fulldeps/pretty-expanded/input.rs
@@ -1,8 +1,25 @@
 // #13544
 
-#[derive(Debug)] pub struct A;
-#[derive(Debug)] pub struct B(isize);
-#[derive(Debug)] pub struct C { x: isize }
-#[derive(Debug)] pub enum D {}
-#[derive(Debug)] pub enum E { y }
-#[derive(Debug)] pub enum F { z(isize) }
+#[derive(Debug)]
+pub struct A;
+
+#[derive(Debug)]
+pub struct B(isize);
+
+#[derive(Debug)]
+pub struct C {
+    x: isize,
+}
+
+#[derive(Debug)]
+pub enum D {}
+
+#[derive(Debug)]
+pub enum E {
+    y,
+}
+
+#[derive(Debug)]
+pub enum F {
+    z(isize),
+}