diff --git a/src/runtime/interrupt/interrupt_esp32c3_qemu.go b/src/runtime/interrupt/interrupt_esp32c3_qemu.go
new file mode 100644
index 000000000..039daf027
--- /dev/null
+++ b/src/runtime/interrupt/interrupt_esp32c3_qemu.go
@@ -0,0 +1,7 @@
+//go:build tinygo.riscv && esp32c3_qemu_target
+
+package interrupt
+
+// Enable is a no-op stub for the QEMU esp32c3 test target.
+// Hardware interrupts are not needed when running tests under qemu-system-riscv32.
+func (i Interrupt) Enable() error { return nil }