diff --git a/src/helpers.rs b/src/helpers.rs
index fba933d278d2..a765d58bbcf3 100644
--- a/src/helpers.rs
+++ b/src/helpers.rs
@@ -339,7 +339,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriEvalContextExt<'mir, 'tcx
     // different values into a struct.
     fn write_packed_immediates(
         &mut self,
-        place: &MPlaceTy<'tcx, Tag>,
+        place: MPlaceTy<'tcx, Tag>,
         imms: &[ImmTy<'tcx, Tag>],
     ) -> InterpResult<'tcx> {
         let this = self.eval_context_mut();
diff --git a/src/shims/fs.rs b/src/shims/fs.rs
index b5c0dead1f8f..2871dcbdcb8f 100644
--- a/src/shims/fs.rs
+++ b/src/shims/fs.rs
@@ -533,7 +533,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriEvalContextExt<'mir, 'tcx
             immty_from_uint_checked(0u128, __u64_layout)?, // stx_dev_minor
         ];
 
-        this.write_packed_immediates(&statxbuf_place, &imms)?;
+        this.write_packed_immediates(statxbuf_place, &imms)?;
 
         Ok(0)
     }
@@ -692,7 +692,7 @@ fn stat_macos_write_buf<'tcx, 'mir>(
     ];
 
     let buf = ecx.deref_operand(buf_op)?;
-    ecx.write_packed_immediates(&buf, &imms)?;
+    ecx.write_packed_immediates(buf, &imms)?;
 
     Ok(0)
 }
diff --git a/src/shims/time.rs b/src/shims/time.rs
index a7d51eaa2e0f..6adea524d2d8 100644
--- a/src/shims/time.rs
+++ b/src/shims/time.rs
@@ -45,7 +45,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriEvalContextExt<'mir, 'tcx
             immty_from_int_checked(tv_nsec, this.libc_ty_layout("c_long")?)?,
         ];
 
-        this.write_packed_immediates(&tp, &imms)?;
+        this.write_packed_immediates(tp, &imms)?;
 
         Ok(0)
     }
@@ -77,7 +77,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriEvalContextExt<'mir, 'tcx
             immty_from_int_checked(tv_usec, this.libc_ty_layout("suseconds_t")?)?,
         ];
 
-        this.write_packed_immediates(&tv, &imms)?;
+        this.write_packed_immediates(tv, &imms)?;
 
         Ok(0)
     }