diff -Nur linux-5.4.53.orig/scripts/dtc/dtc.c linux-5.4.53/scripts/dtc/dtc.c
--- linux-5.4.53.orig/scripts/dtc/dtc.c	2020-07-22 09:33:18.000000000 +0200
+++ linux-5.4.53/scripts/dtc/dtc.c	2020-07-28 14:20:10.000000000 +0200
@@ -349,12 +349,6 @@
 
 	if (streq(outform, "dts")) {
 		dt_to_source(outf, dti);
-#ifndef NO_YAML
-	} else if (streq(outform, "yaml")) {
-		if (!streq(inform, "dts"))
-			die("YAML output format requires dts input format\n");
-		dt_to_yaml(outf, dti);
-#endif
 	} else if (streq(outform, "dtb")) {
 		dt_to_blob(outf, dti, outversion);
 	} else if (streq(outform, "asm")) {