diff --git a/arch/arm/src/nrf52/nrf52_i2c.c b/arch/arm/src/nrf52/nrf52_i2c.c
index d31902e6cb..c9c810ec4f 100644
--- a/arch/arm/src/nrf52/nrf52_i2c.c
+++ b/arch/arm/src/nrf52/nrf52_i2c.c
@@ -23,7 +23,6 @@
  ****************************************************************************/
 
 #include <nuttx/config.h>
-#include <nuttx/signal.h>
 
 #include <assert.h>
 #include <errno.h>