diff --git a/platform/zoul/contiki-conf.h b/platform/zoul/contiki-conf.h
index bf9754730..d7fdcb39f 100644
--- a/platform/zoul/contiki-conf.h
+++ b/platform/zoul/contiki-conf.h
@@ -197,10 +197,6 @@ typedef uint32_t rtimer_clock_t;
 #define SLIP_ARCH_CONF_USB          0 /**< SLIP over UART by default */
 #endif
 
-#ifndef CC2538_RF_CONF_SNIFFER_USB
-#define CC2538_RF_CONF_SNIFFER_USB  0 /**< Sniffer out over UART by default */
-#endif
-
 #ifndef DBG_CONF_USB
 #define DBG_CONF_USB                0 /**< All debugging over UART by default */
 #endif
@@ -215,12 +211,6 @@ typedef uint32_t rtimer_clock_t;
 #endif
 #endif
 
-#if !CC2538_RF_CONF_SNIFFER_USB
-#ifndef CC2538_RF_CONF_SNIFFER_UART
-#define CC2538_RF_CONF_SNIFFER_UART 0 /**< UART to use with sniffer */
-#endif
-#endif
-
 #if !DBG_CONF_USB
 #ifndef DBG_CONF_UART
 #define DBG_CONF_UART               0 /**< UART to use for debugging */
@@ -247,15 +237,6 @@ typedef uint32_t rtimer_clock_t;
 #endif
 #endif
 
-/*
- * When set, the radio turns off address filtering and sends all captured
- * frames down a peripheral (UART or USB, depending on the value of
- * CC2538_RF_CONF_SNIFFER_USB)
- */
-#ifndef CC2538_RF_CONF_SNIFFER
-#define CC2538_RF_CONF_SNIFFER      0
-#endif
-
 /**
  * \brief Define this as 1 to build a headless node.
  *
@@ -276,12 +257,6 @@ typedef uint32_t rtimer_clock_t;
 
 #undef STARTUP_CONF_VERBOSE
 #define STARTUP_CONF_VERBOSE        0
-
-/* Little sanity check: We can't have quiet sniffers */
-#if CC2538_RF_CONF_SNIFFER
-#error "CC2538_RF_CONF_SNIFFER == 1 and CC2538_CONF_QUIET == 1"
-#error "These values are conflicting. Please set either to 0"
-#endif
 #endif /* CC2538_CONF_QUIET */
 
 /**
@@ -290,8 +265,7 @@ typedef uint32_t rtimer_clock_t;
 #ifndef USB_SERIAL_CONF_ENABLE
 #define USB_SERIAL_CONF_ENABLE \
   ((SLIP_ARCH_CONF_USB & SLIP_ARCH_CONF_ENABLED) | \
-   DBG_CONF_USB | \
-   (CC2538_RF_CONF_SNIFFER & CC2538_RF_CONF_SNIFFER_USB))
+   DBG_CONF_USB)
 #endif
 
 /*
@@ -311,9 +285,6 @@ typedef uint32_t rtimer_clock_t;
 #define UART_IN_USE_BY_SLIP(u)        (SLIP_ARCH_CONF_ENABLED && \
                                        !SLIP_ARCH_CONF_USB && \
                                        SLIP_ARCH_CONF_UART == (u))
-#define UART_IN_USE_BY_RF_SNIFFER(u)  (CC2538_RF_CONF_SNIFFER && \
-                                       !CC2538_RF_CONF_SNIFFER_USB && \
-                                       CC2538_RF_CONF_SNIFFER_UART == (u))
 #define UART_IN_USE_BY_DBG(u)         (!DBG_CONF_USB && DBG_CONF_UART == (u))
 #define UART_IN_USE_BY_UART1(u)       (UART1_CONF_UART == (u))
 
@@ -321,7 +292,6 @@ typedef uint32_t rtimer_clock_t;
   UART_CONF_ENABLE && \
   (UART_IN_USE_BY_SERIAL_LINE(u) || \
    UART_IN_USE_BY_SLIP(u) || \
-   UART_IN_USE_BY_RF_SNIFFER(u) || \
    UART_IN_USE_BY_DBG(u) || \
    UART_IN_USE_BY_UART1(u)) \
 )