diff --git a/examples/app_i2s_loopback_xvf3510/Makefile b/examples/app_i2s_loopback_xvf3510/Makefile
deleted file mode 100644
index 3ddd7bcb..00000000
--- a/examples/app_i2s_loopback_xvf3510/Makefile
+++ /dev/null
@@ -1,20 +0,0 @@
-APP_NAME = app_xua_i2s_loopback
-
-TARGET = XK_XVF3510_L71.xn
-
-# The flags passed to xcc when building the application
-XCC_FLAGS = -Os -report -save-temps -g -Wno-unused-function -DXUD_SERIES_SUPPORT=XUD_X200_SERIES -DUSB_TILE=tile[1]
-
-# The USED_MODULES variable lists other module used by the application. These
-# modules will extend the SOURCE_DIRS, INCLUDE_DIRS and LIB_DIRS variables.
-# Modules are expected to be in the directory above the BASE_DIR directory.
-USED_MODULES = lib_xua lib_xud lib_i2c
-
-
-#=============================================================================
-# The following part of the Makefile includes the common build infrastructure
-# for compiling XMOS applications. You should not need to edit below here.
-
-XMOS_MAKE_PATH ?= ../..
-include $(XMOS_MAKE_PATH)/xcommon/module_xcommon/build/Makefile.common
-
diff --git a/examples/app_i2s_loopback_xvf3510/XK_XVF3510_L71.xn b/examples/app_i2s_loopback_xvf3510/XK_XVF3510_L71.xn
deleted file mode 100644
index be6fd040..00000000
--- a/examples/app_i2s_loopback_xvf3510/XK_XVF3510_L71.xn
+++ /dev/null
@@ -1,111 +0,0 @@
-
-
- Device
- XVF3510 Device
-
-
- tileref tile[2]
- tileref usb_tile
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diff --git a/examples/app_i2s_loopback_xvf3510/app_i2s_loopback.xc b/examples/app_i2s_loopback_xvf3510/app_i2s_loopback.xc
deleted file mode 100644
index e6d2423a..00000000
--- a/examples/app_i2s_loopback_xvf3510/app_i2s_loopback.xc
+++ /dev/null
@@ -1,104 +0,0 @@
-
-/* A very simple *example* of I2S loopback (analog in to analog out)
- * using the I2S module built into lib_xua (usb audio library)
- *
- *
- */
-
-#include
-#include
-#include
-
-#include "xua_commands.h"
-#include "xua.h"
-
-/* Port declarations. Note, the defines come from the xn file */
-buffered out port:32 p_i2s_dac[] = {I2S_MIC_DATA}; /* I2S Data-line(s) */
-buffered in port:32 p_i2s_adc[] = {I2S_DATA_IN}; /* I2S Data-line(s) */
-
-#if defined(CODEC_MASTER) && (CODEC_MASTER != 0)
-on tile[AUDIO_IO_TILE] : buffered in port:32 p_lrclk = PORT_I2S_LRCLK;
-on tile[AUDIO_IO_TILE] : buffered in port:32 p_bclk = PORT_I2S_BCLK;
-#else
-on tile[AUDIO_IO_TILE] : buffered out port:32 p_lrclk = PORT_I2S_LRCLK;
-on tile[AUDIO_IO_TILE] : buffered out port:32 p_bclk = PORT_I2S_BCLK;
-#endif
-
-
-/* Port declarations. Note, the defines come from the xn file */
-/* Master clock for the audio IO tile */
-//on tile[1]: in port p_mclk_in_tile1 = PORT_MCLK_TILE1;
-on tile[0]: in port p_mclk_in = PORT_PDM_MCLK;
-
-
-/* Resources for USB feedback */
-in port p_for_mclk_count = PORT_MCLK_COUNT; /* Extra port for counting master clock ticks */
-
-/* Clock-block declarations */
-clock clk_audio_bclk = on tile[0]: XS1_CLKBLK_3; /* Bit clock */
-clock clk_audio_mclk = on tile[0]: XS1_CLKBLK_2; /* Master clock */
-//clock clk_audio_mclk_usb = on tile[1]: XS1_CLKBLK_1; /* Master clock for USB tile */
-
-
-
-on tile[0] : clock mclk_internal = XS1_CLKBLK_5;
-
-void set_node_pll_reg(tileref tile_ref, unsigned reg_val){
- write_sswitch_reg(get_tile_id(tile_ref), XS1_SSWITCH_PLL_CTL_NUM, reg_val);
-}
-
-void run_clock(void) {
- configure_clock_xcore(mclk_internal, 10); // 24.576 MHz
- configure_port_clock_output(p_mclk_in, mclk_internal);
- start_clock(mclk_internal);
-}
-
-// Nominal setting is ref div = 25, fb_div = 1024, op_div = 2
-// PCF Freq 0.96MHz
-
-#define PLL_NOM 0xC003FF18 // This is 3.072MHz
-
-void set_pll(void) {
- set_node_pll_reg(tile[0], PLL_NOM);
- run_clock();
-}
-
-void loopback(chanend c_i2s)
-{
- int samps[NUM_USB_CHAN_OUT] = {0};
- int sampFreq = FREQ;
-
- /* This block is the protocol for sample rate change */
- inuint(c_i2s);
- outct(c_i2s, SET_SAMPLE_FREQ);
- outuint(c_i2s, sampFreq);
- chkct(c_i2s, XS1_CT_END);
-
- while(1)
- {
- inuint(c_i2s);
- for (int i=0; i
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diff --git a/examples/app_i2s_loopback_xvf3510/hwsupport.xc b/examples/app_i2s_loopback_xvf3510/hwsupport.xc
deleted file mode 100644
index 00a4126e..00000000
--- a/examples/app_i2s_loopback_xvf3510/hwsupport.xc
+++ /dev/null
@@ -1,19 +0,0 @@
-#include
-#include
-#include
-#include "i2c.h"
-#include "dsd_support.h"
-#include "debug_print.h"
-#include "xassert.h"
-
-
-void AudioHwInit()
-{
-}
-//:
-
-void AudioHwConfig(unsigned samFreq, unsigned mClk, unsigned dsdMode,
- unsigned samRes_DAC, unsigned samRes_ADC)
-{
-}
-//:
diff --git a/examples/app_i2s_loopback_xvf3510/xua_conf.h b/examples/app_i2s_loopback_xvf3510/xua_conf.h
deleted file mode 100644
index df3c818b..00000000
--- a/examples/app_i2s_loopback_xvf3510/xua_conf.h
+++ /dev/null
@@ -1,37 +0,0 @@
-
-#define NUM_USB_CHAN_OUT 2
-#define NUM_USB_CHAN_IN 2
-#define I2S_CHANS_DAC 2
-#define I2S_CHANS_ADC 2
-#define MCLK_441 (512 * 44100)
-#define MCLK_48 (512 * 48000)
-#define FREQ 48000
-#define MIN_FREQ FREQ
-#define MAX_FREQ FREQ
-
-#define EXCLUDE_USB_AUDIO_MAIN
-#define NUM_PDM_MICS 0
-#define XUD_TILE 1
-#define AUDIO_IO_TILE 0
-#define MIXER 0
-#define XUA_USB_EN 1 //switch on transfer samples
-
-#define SPDIF_TX_INDEX 0
-#define VENDOR_STR "XMOS"
-#define VENDOR_ID 0x20B1
-#define PRODUCT_STR_A2 "XUA Example"
-#define PRODUCT_STR_A1 "XUA Example"
-#define PID_AUDIO_1 1
-#define PID_AUDIO_2 2
-#define AUDIO_CLASS 2
-#define AUDIO_CLASS_FALLBACK 0
-#define BCD_DEVICE 0x1234
-#define XUA_DFU_EN 0
-
-#define N_BITS_I2S 32
-#define AUD_TO_USB_RATIO 1
-#define CODEC_MASTER 0
-
-
-/* TODO */
-#define XUA_DFU XUA_DFU_EN
\ No newline at end of file