diff --git a/armsrc/iso14443b.h b/armsrc/iso14443b.h
index 4f36ae62f..ac2c4f831 100644
--- a/armsrc/iso14443b.h
+++ b/armsrc/iso14443b.h
@@ -34,15 +34,11 @@ uint8_t iso14443b_select_card_srx(iso14b_card_select_t *card);
 
 void SimulateIso14443bTag(uint32_t pupi);
 void AcquireRawAdcSamplesIso14443b(uint32_t parameter);
-void ReadSTMemoryIso14443b(uint8_t numofblocks);
-void RAMFUNC SniffIso14443b(void);
+void ReadSTMemoryIso14443b(uint16_t numofblocks);
+void SniffIso14443b(void);
 void SendRawCommand14443B(uint32_t, uint32_t, uint8_t, uint8_t[]);
 void SendRawCommand14443B_Ex(PacketCommandNG *c);
 
-// testfunctions
-void WaitForFpgaDelayQueueIsEmpty(uint16_t delay);
-void ClearFpgaShiftingRegisters(void);
-
 // States for 14B SIM command
 #define SIM_NOFIELD     0
 #define SIM_IDLE        1