diff --git a/arch.mk b/arch.mk
index b823cb44d5..76d3e7da4d 100644
--- a/arch.mk
+++ b/arch.mk
@@ -1212,8 +1212,7 @@ ifeq ($(ARCH), AURIX_TC3)
       ifeq ($(WOLFHSM_SERVER),1)
         USE_GCC_HEADLESS=0
 
-        CFLAGS += -I$(WOLFHSM_INFINEON_TC3XX)/tchsm-server/cfg \
-				  -I$(WOLFHSM_INFINEON_TC3XX)/port/server
+        CFLAGS += -I$(WOLFHSM_INFINEON_TC3XX)/port/server
 
         OBJS += $(WOLFHSM_INFINEON_TC3XX)/port/server/port_halflash_df1.o \
 				$(WOLFHSM_INFINEON_TC3XX)/port/server/io.o \
@@ -1292,8 +1291,9 @@ ifeq ($(ARCH), AURIX_TC3)
 
       ifeq ($(WOLFHSM_CLIENT),1)
         CFLAGS += -I$(WOLFHSM_INFINEON_TC3XX)/port/client
-		# All source files in port/client but listed as *.o files
-        OBJS += $(patsubst %.c,%.o,$(wildcard $(WOLFHSM_INFINEON_TC3XX)/port/client/*.c))
+        OBJS += $(WOLFHSM_INFINEON_TC3XX)/port/client/hsm_ipc.o \
+                $(WOLFHSM_INFINEON_TC3XX)/port/client/io.o \
+                $(WOLFHSM_INFINEON_TC3XX)/port/client/tchsm_hh_host.o
       endif
 
     endif # !AURIX_TC3_HSM
diff --git a/hal/aurix_tc3xx.c b/hal/aurix_tc3xx.c
index a34e780717..5bdc174c7b 100644
--- a/hal/aurix_tc3xx.c
+++ b/hal/aurix_tc3xx.c
@@ -89,7 +89,6 @@
 /* wolfHSM client context and configuration */
 #if defined(WOLFBOOT_ENABLE_WOLFHSM_CLIENT)
 
-static int _cancelCb(uint16_t cancelSeq);
 static int _connectCb(void* context, whCommConnected connect);
 
 /* Client configuration/contexts */
@@ -702,13 +701,6 @@ void ext_flash_unlock(void)
 
 #ifdef WOLFBOOT_ENABLE_WOLFHSM_CLIENT
 
-static int _cancelCb(uint16_t cancelSeq)
-{
-    HSM_SHM_CORE0_CANCEL_SEQ = cancelSeq;
-    (void)tchsmHhHost2Hsm_Notify(TCHSM_HOST2HSM_NOTIFY_CANCEL);
-    return 0;
-}
-
 static int _connectCb(void* context, whCommConnected connect)
 {
     int ret;
@@ -756,7 +748,6 @@ int hal_hsm_init_connect(void)
 
     whClientConfig c_conf[1] = {{
         .comm     = cc_conf,
-        .cancelCb = _cancelCb,
     }};
 
     rc = hsm_ipc_init();
diff --git a/options.mk b/options.mk
index 7efb49d100..9e4bf77433 100644
--- a/options.mk
+++ b/options.mk
@@ -895,7 +895,9 @@ ifeq ($(WOLFHSM_CLIENT),1)
     $(WOLFBOOT_LIB_WOLFHSM)/src/wh_client_nvm.o \
     $(WOLFBOOT_LIB_WOLFHSM)/src/wh_client_cryptocb.o \
     $(WOLFBOOT_LIB_WOLFHSM)/src/wh_client_crypto.o \
+    $(WOLFBOOT_LIB_WOLFHSM)/src/wh_client_dma.o \
     $(WOLFBOOT_LIB_WOLFHSM)/src/wh_crypto.o \
+    $(WOLFBOOT_LIB_WOLFHSM)/src/wh_dma.o \
     $(WOLFBOOT_LIB_WOLFHSM)/src/wh_utils.o \
     $(WOLFBOOT_LIB_WOLFHSM)/src/wh_comm.o \
     $(WOLFBOOT_LIB_WOLFHSM)/src/wh_message_comm.o \
diff --git a/src/update_flash.c b/src/update_flash.c
index 07fac446f0..54805f561c 100644
--- a/src/update_flash.c
+++ b/src/update_flash.c
@@ -671,7 +671,9 @@ static int RAMFUNCTION wolfBoot_update(int fallback_allowed)
     uint16_t update_type;
     uint32_t fw_size;
     uint32_t size;
+#if defined(DELTA_UPDATES)
     int inverse = 0;
+#endif
     int fallback_image = 0;
 #if defined(DISABLE_BACKUP) && defined(EXT_ENCRYPTED)
     uint8_t key[ENCRYPT_KEY_SIZE];
@@ -713,7 +715,7 @@ static int RAMFUNCTION wolfBoot_update(int fallback_allowed)
         wolfBoot_open_image(&boot, PART_BOOT);
         wolfBoot_open_image(&swap, PART_SWAP);
 
-#ifdef EXT_ENCRYPTED
+#if defined(EXT_ENCRYPTED) && defined(DELTA_UPDATES)
         wolfBoot_printf("Update partition fallback image: %d\n", fallback_image);
         if (fallback_image)
             inverse = 1;
@@ -783,10 +785,11 @@ static int RAMFUNCTION wolfBoot_update(int fallback_allowed)
         }
 #endif
     }
+
+#ifdef DELTA_UPDATES
     if (cur_ver > upd_ver)
         inverse = 1;
 
-#ifdef DELTA_UPDATES
     if ((update_type & 0x00F0) == HDR_IMG_TYPE_DIFF) {
         /* if magic isn't set stateRet will be -1 but that means we're on a
          * fresh partition and aren't resuming */