diff --git a/meta/recipes-bsp/u-boot/u-boot-tools.inc b/meta/recipes-bsp/u-boot/u-boot-tools.inc
index a055409c2cb0..071746b64e24 100644
--- a/meta/recipes-bsp/u-boot/u-boot-tools.inc
+++ b/meta/recipes-bsp/u-boot/u-boot-tools.inc
@@ -1,5 +1,5 @@
 SUMMARY = "U-Boot bootloader tools"
-DEPENDS += "gnutls openssl util-linux swig-native libyaml-native"
+DEPENDS += "gnutls openssl util-linux swig-native"
 
 inherit python3native
 export STAGING_INCDIR = "${STAGING_INCDIR_NATIVE}"
@@ -88,3 +88,8 @@ RDEPENDS:${PN}:class-native = ""
 
 BBCLASSEXTEND = "native nativesdk"
 
+# Set PKG_CONFIG_SYSROOT_DIR as invalid path, so the host tools
+# build will surely not find host /usr/include/yaml.h file and
+# will disable yamltree build. For details, see U-Boot commit
+# 807bcd844afe ("scripts/dtc: Fix pkg-config behavior under sysroot")
+PKG_CONFIG_SYSROOT_DIR:prepend = "/invalid/"