diff --git a/TactilityKernel/source/kernel_symbols.c b/TactilityKernel/source/kernel_symbols.c
index 904fbb2c..09427124 100644
--- a/TactilityKernel/source/kernel_symbols.c
+++ b/TactilityKernel/source/kernel_symbols.c
@@ -80,6 +80,10 @@ const struct ModuleSymbol KERNEL_SYMBOLS[] = {
     DEFINE_MODULE_SYMBOL(i2c_controller_write_register),
     DEFINE_MODULE_SYMBOL(i2c_controller_write_register_array),
     DEFINE_MODULE_SYMBOL(i2c_controller_has_device_at_address),
+    DEFINE_MODULE_SYMBOL(i2c_controller_register8_set),
+    DEFINE_MODULE_SYMBOL(i2c_controller_register8_get),
+    DEFINE_MODULE_SYMBOL(i2c_controller_register8_set_bits),
+    DEFINE_MODULE_SYMBOL(i2c_controller_register8_reset_bits),
     DEFINE_MODULE_SYMBOL(I2C_CONTROLLER_TYPE),
     // drivers/i2s_controller
     DEFINE_MODULE_SYMBOL(i2s_controller_read),
@@ -94,6 +98,7 @@ const struct ModuleSymbol KERNEL_SYMBOLS[] = {
     DEFINE_MODULE_SYMBOL(spi_controller_lock),
     DEFINE_MODULE_SYMBOL(spi_controller_try_lock),
     DEFINE_MODULE_SYMBOL(spi_controller_unlock),
+    DEFINE_MODULE_SYMBOL(SPI_CONTROLLER_TYPE),
     // drivers/uart_controller
     DEFINE_MODULE_SYMBOL(uart_controller_open),
     DEFINE_MODULE_SYMBOL(uart_controller_close),