diff --git a/pygoscelis-config b/pygoscelis-config
index 3faabe7..840fc43 100644
--- a/pygoscelis-config
+++ b/pygoscelis-config
@@ -424,8 +424,7 @@ CONFIG_X86_DIRECT_GBPAGES=y
 CONFIG_ARCH_SPARSEMEM_ENABLE=y
 CONFIG_ARCH_SPARSEMEM_DEFAULT=y
 CONFIG_ILLEGAL_POINTER_VALUE=0xdead000000000000
-CONFIG_X86_PMEM_LEGACY_DEVICE=y
-CONFIG_X86_PMEM_LEGACY=m
+# CONFIG_X86_PMEM_LEGACY is not set
 # CONFIG_X86_CHECK_BIOS_CORRUPTION is not set
 CONFIG_MTRR=y
 # CONFIG_MTRR_SANITIZER is not set