diff --git a/lib/vdso/Kconfig b/lib/vdso/Kconfig
index cc00364bd2c2..9fe698ff62ec 100644
--- a/lib/vdso/Kconfig
+++ b/lib/vdso/Kconfig
@@ -24,13 +24,4 @@ config GENERIC_COMPAT_VDSO
 	help
 	  This config option enables the compat VDSO layer.
 
-config CROSS_COMPILE_COMPAT_VDSO
-	string "32 bit Toolchain prefix for compat vDSO"
-	default ""
-	depends on GENERIC_COMPAT_VDSO
-	help
-	  Defines the cross-compiler prefix for compiling compat vDSO.
-	  If a 64 bit compiler (i.e. x86_64) can compile the VDSO for
-	  32 bit, it does not need to define this parameter.
-
 endif