diff --git a/meta-arm/meta-arm-bsp/recipes-security/optee/optee-os-n1sdp.inc b/meta-arm/meta-arm-bsp/recipes-security/optee/optee-os-n1sdp.inc
index 80a11b5..1b66cd5 100644
--- a/meta-arm/meta-arm-bsp/recipes-security/optee/optee-os-n1sdp.inc
+++ b/meta-arm/meta-arm-bsp/recipes-security/optee/optee-os-n1sdp.inc
@@ -8,10 +8,9 @@
 SRC_URI:append = " \
     file://0001-core-arm-add-MPIDR-affinity-shift-and-mask-for-32-bi.patch \
     file://0002-plat-n1sdp-add-N1SDP-platform-support.patch \
-    file://0003-HACK-disable-instruction-cache-and-data-cache.patch \
-    file://0004-Handle-logging-syscall.patch \
-    file://0005-plat-n1sdp-register-DRAM1-to-optee-os.patch \
-    file://0006-plat-n1sdp-add-external-device-tree-base-and-size.patch \
+    file://0003-Handle-logging-syscall.patch \
+    file://0004-plat-n1sdp-register-DRAM1-to-optee-os.patch \
+    file://0005-plat-n1sdp-add-external-device-tree-base-and-size.patch \
     "
 
 EXTRA_OEMAKE += " CFG_TEE_CORE_LOG_LEVEL=4"