diff --git a/vm-superio/CHANGELOG.md b/vm-superio/CHANGELOG.md
index eebc5f1..41c9b4d 100644
--- a/vm-superio/CHANGELOG.md
+++ b/vm-superio/CHANGELOG.md
@@ -9,6 +9,8 @@
 - Added three methods to `Serial` to retrieve the `Write` output object.
 - Derived the `Copy` trait for `RtcState` and other auxiliary types.
 - Updated vmm-sys-util dependency to 0.12.1
+- Implemented receive FIFO flushing via the FCR register for the `Serial`
+  device ([#83](https://github.com/rust-vmm/vm-superio/issues/83)).
 
 # v0.7.0
 
diff --git a/vm-superio/src/serial.rs b/vm-superio/src/serial.rs
index 2c736a3..7b82e9e 100644
--- a/vm-superio/src/serial.rs
+++ b/vm-superio/src/serial.rs
@@ -23,6 +23,7 @@ use crate::Trigger;
 const DATA_OFFSET: u8 = 0;
 const IER_OFFSET: u8 = 1;
 const IIR_OFFSET: u8 = 2;
+const FCR_OFFSET: u8 = IIR_OFFSET;
 const LCR_OFFSET: u8 = 3;
 const MCR_OFFSET: u8 = 4;
 const LSR_OFFSET: u8 = 5;
@@ -48,6 +49,8 @@ const IIR_NONE_BIT: u8 = 0b0000_0001;
 const IIR_THR_EMPTY_BIT: u8 = 0b0000_0010;
 const IIR_RDA_BIT: u8 = 0b0000_0100;
 
+const FCR_FLUSH_IN_BIT: u8 = 0b0000_0010;
+
 const LCR_DLAB_BIT: u8 = 0b1000_0000;
 
 const LSR_DATA_READY_BIT: u8 = 0b0000_0001;
@@ -611,7 +614,14 @@ impl<T: Trigger, EV: SerialEvents, W: Write> Serial<T, EV, W> {
             LCR_OFFSET => self.line_control = value,
             MCR_OFFSET => self.modem_control = value,
             SCR_OFFSET => self.scratch = value,
-            // We are not interested in writing to other offsets (such as FCR offset).
+            FCR_OFFSET => {
+                // Clear the receive FIFO
+                if value & FCR_FLUSH_IN_BIT != 0 {
+                    self.in_buffer.clear();
+                    self.clear_lsr_rda_bit();
+                    self.events.in_buffer_empty();
+                }
+            }
             _ => {}
         }
         Ok(())