diff --git a/src/cpu/intel/socket_LGA775/Makefile.inc b/src/cpu/intel/socket_LGA775/Makefile.inc
index 889b19bd27..af57eda762 100644
--- a/src/cpu/intel/socket_LGA775/Makefile.inc
+++ b/src/cpu/intel/socket_LGA775/Makefile.inc
@@ -14,4 +14,4 @@ subdirs-y += ../microcode
 subdirs-y += ../hyperthreading
 subdirs-y += ../speedstep
 
-cpu_incs-$(CONFIG_CACHE_AS_RAM) += $(src)/cpu/intel/car/cache_as_ram_ht.inc
+cpu_incs-y += $(src)/cpu/intel/car/cache_as_ram_ht.inc
diff --git a/src/cpu/intel/socket_mPGA604/Makefile.inc b/src/cpu/intel/socket_mPGA604/Makefile.inc
index df700b7472..4548f3d46d 100644
--- a/src/cpu/intel/socket_mPGA604/Makefile.inc
+++ b/src/cpu/intel/socket_mPGA604/Makefile.inc
@@ -9,4 +9,4 @@ subdirs-y += ../../x86/smm
 subdirs-y += ../microcode
 subdirs-y += ../hyperthreading
 
-cpu_incs-$(CONFIG_CACHE_AS_RAM) += $(src)/cpu/intel/car/cache_as_ram_ht.inc
+cpu_incs-y += $(src)/cpu/intel/car/cache_as_ram_ht.inc