diff --git a/bin/clippy b/bin/clippy
index 215547c6be..0ffb0497d9 100755
--- a/bin/clippy
+++ b/bin/clippy
@@ -17,7 +17,6 @@ SUPPRESS=(
     question_mark
     range_plus_one
     unit_arg
-    useless_format
 
     # To be resolved or suppressed locally.
     cast_ptr_alignment
diff --git a/devices/src/pci/pci_root.rs b/devices/src/pci/pci_root.rs
index d0435a04eb..187b56458b 100644
--- a/devices/src/pci/pci_root.rs
+++ b/devices/src/pci/pci_root.rs
@@ -253,7 +253,7 @@ impl PciConfigMmio {
 
 impl BusDevice for PciConfigMmio {
     fn debug_label(&self) -> String {
-        format!("pci config mmio")
+        "pci config mmio".to_owned()
     }
 
     fn read(&mut self, offset: u64, data: &mut [u8]) {