diff --git a/configs/bayleybay_defconfig b/configs/bayleybay_defconfig
index bf00390..036ea20 100644
--- a/configs/bayleybay_defconfig
+++ b/configs/bayleybay_defconfig
@@ -3,7 +3,6 @@
 CONFIG_DEFAULT_DEVICE_TREE="bayleybay"
 CONFIG_TARGET_BAYLEYBAY=y
 CONFIG_INTERNAL_UART=y
-CONFIG_ENABLE_MRC_CACHE=y
 CONFIG_SMP=y
 CONFIG_HAVE_VGA_BIOS=y
 CONFIG_VGA_BIOS_ADDR=0xfffa0000
diff --git a/configs/chromebook_link64_defconfig b/configs/chromebook_link64_defconfig
index 5224497..c8f6c2b 100644
--- a/configs/chromebook_link64_defconfig
+++ b/configs/chromebook_link64_defconfig
@@ -11,7 +11,6 @@
 CONFIG_DEFAULT_DEVICE_TREE="chromebook_link"
 CONFIG_TARGET_CHROMEBOOK_LINK64=y
 CONFIG_DEBUG_UART=y
-CONFIG_ENABLE_MRC_CACHE=y
 CONFIG_HAVE_MRC=y
 CONFIG_SMP=y
 CONFIG_HAVE_VGA_BIOS=y
diff --git a/configs/chromebook_link_defconfig b/configs/chromebook_link_defconfig
index 495a5bc..83af9e1 100644
--- a/configs/chromebook_link_defconfig
+++ b/configs/chromebook_link_defconfig
@@ -4,7 +4,6 @@
 CONFIG_DEFAULT_DEVICE_TREE="chromebook_link"
 CONFIG_TARGET_CHROMEBOOK_LINK=y
 CONFIG_DEBUG_UART=y
-CONFIG_ENABLE_MRC_CACHE=y
 CONFIG_HAVE_MRC=y
 CONFIG_SMP=y
 CONFIG_HAVE_VGA_BIOS=y
diff --git a/configs/chromebook_samus_defconfig b/configs/chromebook_samus_defconfig
index 39a9b0d..7af4898 100644
--- a/configs/chromebook_samus_defconfig
+++ b/configs/chromebook_samus_defconfig
@@ -4,7 +4,6 @@
 CONFIG_DEFAULT_DEVICE_TREE="chromebook_samus"
 CONFIG_TARGET_CHROMEBOOK_SAMUS=y
 CONFIG_DEBUG_UART=y
-CONFIG_ENABLE_MRC_CACHE=y
 CONFIG_HAVE_MRC=y
 CONFIG_HAVE_REFCODE=y
 CONFIG_SMP=y
diff --git a/configs/chromebox_panther_defconfig b/configs/chromebox_panther_defconfig
index 4052f5c..6cc2953 100644
--- a/configs/chromebox_panther_defconfig
+++ b/configs/chromebox_panther_defconfig
@@ -2,7 +2,6 @@
 CONFIG_VENDOR_GOOGLE=y
 CONFIG_DEFAULT_DEVICE_TREE="chromebox_panther"
 CONFIG_TARGET_CHROMEBOX_PANTHER=y
-CONFIG_ENABLE_MRC_CACHE=y
 CONFIG_HAVE_MRC=y
 CONFIG_HAVE_VGA_BIOS=y
 CONFIG_FIT=y
diff --git a/configs/conga-qeval20-qa3-e3845-internal-uart_defconfig b/configs/conga-qeval20-qa3-e3845-internal-uart_defconfig
index fe75414..20e64fd 100644
--- a/configs/conga-qeval20-qa3-e3845-internal-uart_defconfig
+++ b/configs/conga-qeval20-qa3-e3845-internal-uart_defconfig
@@ -4,7 +4,6 @@
 CONFIG_DEFAULT_DEVICE_TREE="conga-qeval20-qa3-e3845"
 CONFIG_INTERNAL_UART=y
 CONFIG_DEBUG_UART=y
-CONFIG_ENABLE_MRC_CACHE=y
 CONFIG_SMP=y
 CONFIG_HAVE_VGA_BIOS=y
 CONFIG_GENERATE_PIRQ_TABLE=y
diff --git a/configs/conga-qeval20-qa3-e3845_defconfig b/configs/conga-qeval20-qa3-e3845_defconfig
index 334f0a2..496479a 100644
--- a/configs/conga-qeval20-qa3-e3845_defconfig
+++ b/configs/conga-qeval20-qa3-e3845_defconfig
@@ -3,7 +3,6 @@
 CONFIG_TARGET_CONGA_QEVAL20_QA3_E3845=y
 CONFIG_DEFAULT_DEVICE_TREE="conga-qeval20-qa3-e3845"
 CONFIG_DEBUG_UART=y
-CONFIG_ENABLE_MRC_CACHE=y
 CONFIG_SMP=y
 CONFIG_HAVE_VGA_BIOS=y
 CONFIG_GENERATE_PIRQ_TABLE=y
diff --git a/configs/cougarcanyon2_defconfig b/configs/cougarcanyon2_defconfig
index 84856aa..ea56e58 100644
--- a/configs/cougarcanyon2_defconfig
+++ b/configs/cougarcanyon2_defconfig
@@ -2,6 +2,7 @@
 CONFIG_VENDOR_INTEL=y
 CONFIG_DEFAULT_DEVICE_TREE="cougarcanyon2"
 CONFIG_TARGET_COUGARCANYON2=y
+# CONFIG_ENABLE_MRC_CACHE is not set
 CONFIG_ENV_IS_IN_SPI_FLASH=y
 CONFIG_CONSOLE_MUX=y
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
diff --git a/configs/dfi-bt700-q7x-151_defconfig b/configs/dfi-bt700-q7x-151_defconfig
index 76cdf55..193bb54 100644
--- a/configs/dfi-bt700-q7x-151_defconfig
+++ b/configs/dfi-bt700-q7x-151_defconfig
@@ -3,7 +3,6 @@
 CONFIG_DEFAULT_DEVICE_TREE="dfi-bt700-q7x-151"
 CONFIG_TARGET_DFI_BT700=y
 CONFIG_DEBUG_UART=y
-CONFIG_ENABLE_MRC_CACHE=y
 CONFIG_SMP=y
 CONFIG_HAVE_VGA_BIOS=y
 CONFIG_GENERATE_PIRQ_TABLE=y
diff --git a/configs/galileo_defconfig b/configs/galileo_defconfig
index f53970a..e8b11e4 100644
--- a/configs/galileo_defconfig
+++ b/configs/galileo_defconfig
@@ -2,7 +2,6 @@
 CONFIG_VENDOR_INTEL=y
 CONFIG_DEFAULT_DEVICE_TREE="galileo"
 CONFIG_TARGET_GALILEO=y
-CONFIG_ENABLE_MRC_CACHE=y
 CONFIG_GENERATE_PIRQ_TABLE=y
 CONFIG_GENERATE_MP_TABLE=y
 CONFIG_GENERATE_ACPI_TABLE=y
diff --git a/configs/minnowmax_defconfig b/configs/minnowmax_defconfig
index 1301c16..3d8fdbf 100644
--- a/configs/minnowmax_defconfig
+++ b/configs/minnowmax_defconfig
@@ -4,7 +4,6 @@
 CONFIG_TARGET_MINNOWMAX=y
 CONFIG_INTERNAL_UART=y
 CONFIG_DEBUG_UART=y
-CONFIG_ENABLE_MRC_CACHE=y
 CONFIG_SMP=y
 CONFIG_HAVE_VGA_BIOS=y
 CONFIG_GENERATE_PIRQ_TABLE=y
diff --git a/configs/som-db5800-som-6867_defconfig b/configs/som-db5800-som-6867_defconfig
index c393d72..52d8d6e 100644
--- a/configs/som-db5800-som-6867_defconfig
+++ b/configs/som-db5800-som-6867_defconfig
@@ -3,7 +3,6 @@
 CONFIG_TARGET_SOM_DB5800_SOM_6867=y
 CONFIG_DEFAULT_DEVICE_TREE="baytrail_som-db5800-som-6867"
 CONFIG_DEBUG_UART=y
-CONFIG_ENABLE_MRC_CACHE=y
 CONFIG_SMP=y
 CONFIG_HAVE_VGA_BIOS=y
 CONFIG_GENERATE_PIRQ_TABLE=y
diff --git a/configs/theadorable-x86-dfi-bt700_defconfig b/configs/theadorable-x86-dfi-bt700_defconfig
index dee551b..bbc0fce 100644
--- a/configs/theadorable-x86-dfi-bt700_defconfig
+++ b/configs/theadorable-x86-dfi-bt700_defconfig
@@ -2,7 +2,6 @@
 CONFIG_VENDOR_DFI=y
 CONFIG_DEFAULT_DEVICE_TREE="theadorable-x86-dfi-bt700"
 CONFIG_TARGET_DFI_BT700=y
-CONFIG_ENABLE_MRC_CACHE=y
 CONFIG_SMP=y
 CONFIG_HAVE_VGA_BIOS=y
 CONFIG_VGA_BIOS_ADDR=0xfffa0000