diff --git a/artiq/coredevice/i2c.py b/artiq/coredevice/i2c.py
index 09f449b0c..fb620e684 100644
--- a/artiq/coredevice/i2c.py
+++ b/artiq/coredevice/i2c.py
@@ -1,5 +1,5 @@
 from artiq.language.core import syscall, kernel
-from artiq.language.types import TBool, TInt8, TInt32, TNone
+from artiq.language.types import TBool, TInt32, TNone
 from artiq.coredevice.exceptions import I2CError