diff --git a/src/arch/x86_shared/interrupt/exception.rs b/src/arch/x86_shared/interrupt/exception.rs
index e14859e2f8..7aea910638 100644
--- a/src/arch/x86_shared/interrupt/exception.rs
+++ b/src/arch/x86_shared/interrupt/exception.rs
@@ -2,9 +2,8 @@ use syscall::Exception;
 use x86::irq::PageFaultError;
 
 use crate::{
-    arch::x86_shared::interrupt, context::signal::excp_handler, interrupt_error, interrupt_stack,
-    memory::GenericPfFlags, paging::VirtualAddress, panic::stack_trace, ptrace,
-    sync::CleanLockToken, syscall::flag::*,
+    arch::x86_shared::interrupt, context::signal::excp_handler, memory::GenericPfFlags,
+    paging::VirtualAddress, panic::stack_trace, ptrace, sync::CleanLockToken, syscall::flag::*,
 };
 
 interrupt_stack!(divide_by_zero, |stack| {
diff --git a/src/arch/x86_shared/interrupt/irq.rs b/src/arch/x86_shared/interrupt/irq.rs
index 1284f0d085..9235b3ed2e 100644
--- a/src/arch/x86_shared/interrupt/irq.rs
+++ b/src/arch/x86_shared/interrupt/irq.rs
@@ -8,7 +8,6 @@ use crate::{
         ioapic, local_apic, pic, pit,
         serial::{COM1, COM2},
     },
-    interrupt, interrupt_stack,
     ipi::{ipi, IpiKind, IpiTarget},
     percpu::PercpuBlock,
     scheme::{irq::irq_trigger, serio::serio_input},
diff --git a/src/scheme/mod.rs b/src/scheme/mod.rs
index 76d7edc649..ffd5d0d061 100644
--- a/src/scheme/mod.rs
+++ b/src/scheme/mod.rs
@@ -254,7 +254,7 @@ impl SchemeList {
         Ok(to)
     }
 
-    pub fn iter_name(&self, ns: SchemeNamespace) -> SchemeIter {
+    pub fn iter_name(&self, ns: SchemeNamespace) -> SchemeIter<'_> {
         SchemeIter {
             inner: self.names.get(&ns).map(|names| names.iter()),
         }
diff --git a/src/startup/memory.rs b/src/startup/memory.rs
index 28d3d0186c..976c76182d 100644
--- a/src/startup/memory.rs
+++ b/src/startup/memory.rs
@@ -101,7 +101,7 @@ impl MemoryMap {
         }
     }
 
-    fn iter(&self) -> Iter<MemoryEntry> {
+    fn iter(&self) -> Iter<'_, MemoryEntry> {
         self.entries[0..self.size].iter()
     }