diff --git a/tools/Makefile b/tools/Makefile
index 35aefc207c3..4a86321f646 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -169,10 +169,6 @@ HOST_EXTRACFLAGS	+= -DCONFIG_FIT_SIGNATURE_MAX_SIZE=0xffffffff
 HOST_EXTRACFLAGS	+= -DCONFIG_FIT_CIPHER
 endif
 
-ifneq ($(CONFIG_SYS_U_BOOT_OFFS),)
-HOSTCFLAGS_kwbimage.o += -DCONFIG_SYS_U_BOOT_OFFS=$(CONFIG_SYS_U_BOOT_OFFS)
-endif
-
 # MXSImage needs LibSSL
 ifneq ($(CONFIG_MX23)$(CONFIG_MX28)$(CONFIG_ARMADA_38X)$(CONFIG_TOOLS_LIBCRYPTO),)
 HOSTCFLAGS_kwbimage.o += \
diff --git a/tools/kwbimage.c b/tools/kwbimage.c
index 9ecda861e4f..ccb0b922669 100644
--- a/tools/kwbimage.c
+++ b/tools/kwbimage.c
@@ -979,19 +979,6 @@ static size_t image_headersz_v1(int *hasext)
 			*hasext = 1;
 	}
 
-#if defined(CONFIG_SYS_U_BOOT_OFFS)
-	if (headersz > CONFIG_SYS_U_BOOT_OFFS) {
-		fprintf(stderr,
-			"Error: Image header (incl. SPL image) too big!\n");
-		fprintf(stderr, "header=0x%x CONFIG_SYS_U_BOOT_OFFS=0x%x!\n",
-			(int)headersz, CONFIG_SYS_U_BOOT_OFFS);
-		fprintf(stderr, "Increase CONFIG_SYS_U_BOOT_OFFS!\n");
-		return 0;
-	}
-
-	headersz = CONFIG_SYS_U_BOOT_OFFS;
-#endif
-
 	/*
 	 * The payload should be aligned on some reasonable
 	 * boundary