diff --git a/package/webkitgtk/Config.in b/package/webkitgtk/Config.in
index f1228892af..8714677b6a 100644
--- a/package/webkitgtk/Config.in
+++ b/package/webkitgtk/Config.in
@@ -22,11 +22,11 @@ config BR2_PACKAGE_WEBKITGTK_ARCH_SUPPORTS_JIT
 	default y if BR2_i386
 	default y if BR2_x86_64
 	# JIT is known not to work on MIPS64.
-	# Plain MIPS32 (pre R2) is not well tested and likely broken.
+	# Plain MIPS32 (pre R2) is not well tested and likely broken, and R6
+	# is unsupported, see https://bugs.webkit.org/show_bug.cgi?id=191258
 	# The MIPS support is completely untested in big-endian mode.
 	default y if BR2_mipsel && BR2_MIPS_CPU_MIPS32R2
 	default y if BR2_mipsel && BR2_MIPS_CPU_MIPS32R5
-	default y if BR2_mipsel && BR2_MIPS_CPU_MIPS32R6
 
 comment "webkitgtk needs libgtk3 and a glibc toolchain w/ C++, gcc >= 6, host gcc >= 4.8"
 	depends on BR2_PACKAGE_WEBKITGTK_ARCH_SUPPORTS