diff --git a/misc/config_tools/data/cfl-k700-i7/hybrid_rt.xml b/misc/config_tools/data/cfl-k700-i7/hybrid_rt.xml
index 94b335329..2fe98a562 100644
--- a/misc/config_tools/data/cfl-k700-i7/hybrid_rt.xml
+++ b/misc/config_tools/data/cfl-k700-i7/hybrid_rt.xml
@@ -43,7 +43,6 @@
 
     <CAPACITIES>
         <IOMMU_BUS_NUM>0x100</IOMMU_BUS_NUM>
-        <MAX_EFI_MMAP_ENTRIES>256</MAX_EFI_MMAP_ENTRIES>
         <MAX_IR_ENTRIES>256</MAX_IR_ENTRIES>
         <MAX_IOAPIC_NUM>1</MAX_IOAPIC_NUM>
         <MAX_PCI_DEV_NUM>96</MAX_PCI_DEV_NUM>
diff --git a/misc/config_tools/data/cfl-k700-i7/shared.xml b/misc/config_tools/data/cfl-k700-i7/shared.xml
index fed730d44..b2a6c4d0c 100644
--- a/misc/config_tools/data/cfl-k700-i7/shared.xml
+++ b/misc/config_tools/data/cfl-k700-i7/shared.xml
@@ -43,7 +43,6 @@
 
     <CAPACITIES>
         <IOMMU_BUS_NUM>0x100</IOMMU_BUS_NUM>
-        <MAX_EFI_MMAP_ENTRIES>256</MAX_EFI_MMAP_ENTRIES>
         <MAX_IR_ENTRIES>256</MAX_IR_ENTRIES>
         <MAX_IOAPIC_NUM>1</MAX_IOAPIC_NUM>
         <MAX_PCI_DEV_NUM>96</MAX_PCI_DEV_NUM>
diff --git a/misc/config_tools/data/generic_board/hybrid.xml b/misc/config_tools/data/generic_board/hybrid.xml
index ef2bcb423..429d68559 100644
--- a/misc/config_tools/data/generic_board/hybrid.xml
+++ b/misc/config_tools/data/generic_board/hybrid.xml
@@ -47,7 +47,6 @@
     </MEMORY>
     <CAPACITIES>
       <IOMMU_BUS_NUM>0x100</IOMMU_BUS_NUM>
-      <MAX_EFI_MMAP_ENTRIES>256</MAX_EFI_MMAP_ENTRIES>
       <MAX_IR_ENTRIES>256</MAX_IR_ENTRIES>
       <MAX_IOAPIC_NUM>1</MAX_IOAPIC_NUM>
       <MAX_PCI_DEV_NUM>96</MAX_PCI_DEV_NUM>
diff --git a/misc/config_tools/data/generic_board/hybrid_rt.xml b/misc/config_tools/data/generic_board/hybrid_rt.xml
index 03a3c8eb5..0e85012f1 100644
--- a/misc/config_tools/data/generic_board/hybrid_rt.xml
+++ b/misc/config_tools/data/generic_board/hybrid_rt.xml
@@ -52,7 +52,6 @@
     </MEMORY>
     <CAPACITIES>
       <IOMMU_BUS_NUM>0x100</IOMMU_BUS_NUM>
-      <MAX_EFI_MMAP_ENTRIES>256</MAX_EFI_MMAP_ENTRIES>
       <MAX_IR_ENTRIES>256</MAX_IR_ENTRIES>
       <MAX_IOAPIC_NUM>1</MAX_IOAPIC_NUM>
       <MAX_PCI_DEV_NUM>96</MAX_PCI_DEV_NUM>
diff --git a/misc/config_tools/data/generic_board/partitioned.xml b/misc/config_tools/data/generic_board/partitioned.xml
index 43e60a572..ed1c5dde2 100644
--- a/misc/config_tools/data/generic_board/partitioned.xml
+++ b/misc/config_tools/data/generic_board/partitioned.xml
@@ -47,7 +47,6 @@
     </MEMORY>
     <CAPACITIES>
       <IOMMU_BUS_NUM>0x100</IOMMU_BUS_NUM>
-      <MAX_EFI_MMAP_ENTRIES>256</MAX_EFI_MMAP_ENTRIES>
       <MAX_IR_ENTRIES>256</MAX_IR_ENTRIES>
       <MAX_IOAPIC_NUM>1</MAX_IOAPIC_NUM>
       <MAX_PCI_DEV_NUM>96</MAX_PCI_DEV_NUM>
diff --git a/misc/config_tools/data/generic_board/shared.xml b/misc/config_tools/data/generic_board/shared.xml
index 804790cc8..01eb551d6 100644
--- a/misc/config_tools/data/generic_board/shared.xml
+++ b/misc/config_tools/data/generic_board/shared.xml
@@ -47,7 +47,6 @@
     </MEMORY>
     <CAPACITIES>
       <IOMMU_BUS_NUM>0x100</IOMMU_BUS_NUM>
-      <MAX_EFI_MMAP_ENTRIES>256</MAX_EFI_MMAP_ENTRIES>
       <MAX_IR_ENTRIES>256</MAX_IR_ENTRIES>
       <MAX_IOAPIC_NUM>1</MAX_IOAPIC_NUM>
       <MAX_PCI_DEV_NUM>96</MAX_PCI_DEV_NUM>
diff --git a/misc/config_tools/data/nuc11tnbi5/hybrid.xml b/misc/config_tools/data/nuc11tnbi5/hybrid.xml
index 0d068a1d7..c9b638ed1 100644
--- a/misc/config_tools/data/nuc11tnbi5/hybrid.xml
+++ b/misc/config_tools/data/nuc11tnbi5/hybrid.xml
@@ -47,7 +47,6 @@
     </MEMORY>
     <CAPACITIES>
       <IOMMU_BUS_NUM>0x100</IOMMU_BUS_NUM>
-      <MAX_EFI_MMAP_ENTRIES>256</MAX_EFI_MMAP_ENTRIES>
       <MAX_IR_ENTRIES>256</MAX_IR_ENTRIES>
       <MAX_IOAPIC_NUM>1</MAX_IOAPIC_NUM>
       <MAX_PCI_DEV_NUM>96</MAX_PCI_DEV_NUM>
diff --git a/misc/config_tools/data/nuc11tnbi5/partitioned.xml b/misc/config_tools/data/nuc11tnbi5/partitioned.xml
index 0c83d0f74..dfa1f0efb 100644
--- a/misc/config_tools/data/nuc11tnbi5/partitioned.xml
+++ b/misc/config_tools/data/nuc11tnbi5/partitioned.xml
@@ -47,7 +47,6 @@
     </MEMORY>
     <CAPACITIES>
       <IOMMU_BUS_NUM>0x100</IOMMU_BUS_NUM>
-      <MAX_EFI_MMAP_ENTRIES>256</MAX_EFI_MMAP_ENTRIES>
       <MAX_IR_ENTRIES>256</MAX_IR_ENTRIES>
       <MAX_IOAPIC_NUM>1</MAX_IOAPIC_NUM>
       <MAX_PCI_DEV_NUM>96</MAX_PCI_DEV_NUM>
diff --git a/misc/config_tools/data/nuc11tnbi5/shared.xml b/misc/config_tools/data/nuc11tnbi5/shared.xml
index dfe2f1e46..187a7a28e 100644
--- a/misc/config_tools/data/nuc11tnbi5/shared.xml
+++ b/misc/config_tools/data/nuc11tnbi5/shared.xml
@@ -47,7 +47,6 @@
     </MEMORY>
     <CAPACITIES>
       <IOMMU_BUS_NUM>0x100</IOMMU_BUS_NUM>
-      <MAX_EFI_MMAP_ENTRIES>256</MAX_EFI_MMAP_ENTRIES>
       <MAX_IR_ENTRIES>256</MAX_IR_ENTRIES>
       <MAX_IOAPIC_NUM>1</MAX_IOAPIC_NUM>
       <MAX_PCI_DEV_NUM>96</MAX_PCI_DEV_NUM>
diff --git a/misc/config_tools/data/qemu/sdc.xml b/misc/config_tools/data/qemu/sdc.xml
index 392aaa36f..49aee1bf4 100644
--- a/misc/config_tools/data/qemu/sdc.xml
+++ b/misc/config_tools/data/qemu/sdc.xml
@@ -44,7 +44,6 @@
 
     <CAPACITIES>
         <IOMMU_BUS_NUM>0x100</IOMMU_BUS_NUM>
-        <MAX_EFI_MMAP_ENTRIES>256</MAX_EFI_MMAP_ENTRIES>
         <MAX_IR_ENTRIES>256</MAX_IR_ENTRIES>
         <MAX_IOAPIC_NUM>1</MAX_IOAPIC_NUM>
         <MAX_PCI_DEV_NUM>96</MAX_PCI_DEV_NUM>
diff --git a/misc/config_tools/data/whl-ipc-i5/hybrid.xml b/misc/config_tools/data/whl-ipc-i5/hybrid.xml
index 58c2c7ca4..10a28b5d4 100644
--- a/misc/config_tools/data/whl-ipc-i5/hybrid.xml
+++ b/misc/config_tools/data/whl-ipc-i5/hybrid.xml
@@ -43,7 +43,6 @@
 
     <CAPACITIES>
         <IOMMU_BUS_NUM>0x100</IOMMU_BUS_NUM>
-        <MAX_EFI_MMAP_ENTRIES>256</MAX_EFI_MMAP_ENTRIES>
         <MAX_IR_ENTRIES>256</MAX_IR_ENTRIES>
         <MAX_IOAPIC_NUM>1</MAX_IOAPIC_NUM>
         <MAX_PCI_DEV_NUM>96</MAX_PCI_DEV_NUM>
diff --git a/misc/config_tools/data/whl-ipc-i5/hybrid_rt.xml b/misc/config_tools/data/whl-ipc-i5/hybrid_rt.xml
index 8442387eb..0659f2bb6 100644
--- a/misc/config_tools/data/whl-ipc-i5/hybrid_rt.xml
+++ b/misc/config_tools/data/whl-ipc-i5/hybrid_rt.xml
@@ -43,7 +43,6 @@
 
     <CAPACITIES>
         <IOMMU_BUS_NUM>0x100</IOMMU_BUS_NUM>
-        <MAX_EFI_MMAP_ENTRIES>256</MAX_EFI_MMAP_ENTRIES>
         <MAX_IR_ENTRIES>256</MAX_IR_ENTRIES>
         <MAX_IOAPIC_NUM>1</MAX_IOAPIC_NUM>
         <MAX_PCI_DEV_NUM>96</MAX_PCI_DEV_NUM>
diff --git a/misc/config_tools/data/whl-ipc-i5/partitioned.xml b/misc/config_tools/data/whl-ipc-i5/partitioned.xml
index 912ec87b0..d0a496e53 100644
--- a/misc/config_tools/data/whl-ipc-i5/partitioned.xml
+++ b/misc/config_tools/data/whl-ipc-i5/partitioned.xml
@@ -43,7 +43,6 @@
 
     <CAPACITIES>
         <IOMMU_BUS_NUM>0x100</IOMMU_BUS_NUM>
-        <MAX_EFI_MMAP_ENTRIES>256</MAX_EFI_MMAP_ENTRIES>
         <MAX_IR_ENTRIES>256</MAX_IR_ENTRIES>
         <MAX_IOAPIC_NUM>1</MAX_IOAPIC_NUM>
         <MAX_PCI_DEV_NUM>96</MAX_PCI_DEV_NUM>
diff --git a/misc/config_tools/data/whl-ipc-i5/sdc.xml b/misc/config_tools/data/whl-ipc-i5/sdc.xml
index 72fc75a33..ea99362c7 100644
--- a/misc/config_tools/data/whl-ipc-i5/sdc.xml
+++ b/misc/config_tools/data/whl-ipc-i5/sdc.xml
@@ -43,7 +43,6 @@
 
     <CAPACITIES>
         <IOMMU_BUS_NUM>0x100</IOMMU_BUS_NUM>
-        <MAX_EFI_MMAP_ENTRIES>256</MAX_EFI_MMAP_ENTRIES>
         <MAX_IR_ENTRIES>256</MAX_IR_ENTRIES>
         <MAX_IOAPIC_NUM>1</MAX_IOAPIC_NUM>
         <MAX_PCI_DEV_NUM>96</MAX_PCI_DEV_NUM>
diff --git a/misc/config_tools/data/whl-ipc-i5/shared.xml b/misc/config_tools/data/whl-ipc-i5/shared.xml
index bf0c7829c..03f6f827a 100644
--- a/misc/config_tools/data/whl-ipc-i5/shared.xml
+++ b/misc/config_tools/data/whl-ipc-i5/shared.xml
@@ -43,7 +43,6 @@
 
     <CAPACITIES>
         <IOMMU_BUS_NUM>0x100</IOMMU_BUS_NUM>
-        <MAX_EFI_MMAP_ENTRIES>256</MAX_EFI_MMAP_ENTRIES>
         <MAX_IR_ENTRIES>256</MAX_IR_ENTRIES>
         <MAX_IOAPIC_NUM>1</MAX_IOAPIC_NUM>
         <MAX_PCI_DEV_NUM>96</MAX_PCI_DEV_NUM>
diff --git a/misc/config_tools/schema/config.xsd b/misc/config_tools/schema/config.xsd
index fa50a7eac..5c55d8540 100644
--- a/misc/config_tools/schema/config.xsd
+++ b/misc/config_tools/schema/config.xsd
@@ -280,11 +280,6 @@ initialization.</xs:documentation>
         </xs:restriction>
       </xs:simpleType>
     </xs:element>
-    <xs:element name="MAX_EFI_MMAP_ENTRIES" type="xs:integer" default="256">
-      <xs:annotation>
-        <xs:documentation>The maximum number of EFI memmap entries.</xs:documentation>
-      </xs:annotation>
-    </xs:element>
     <xs:element name="MAX_PT_IRQ_ENTRIES" type="xs:integer" default="256">
       <xs:annotation>
         <xs:documentation>The pre-defined number of interrupt sources of all pass-through devices.</xs:documentation>
diff --git a/misc/config_tools/xforms/config_common.xsl b/misc/config_tools/xforms/config_common.xsl
index 7234b1db4..2f49413b0 100644
--- a/misc/config_tools/xforms/config_common.xsl
+++ b/misc/config_tools/xforms/config_common.xsl
@@ -167,10 +167,6 @@
       <xsl:with-param name="key" select="'MAX_IOAPIC_NUM'" />
     </xsl:call-template>
 
-    <xsl:call-template name="integer-by-key">
-      <xsl:with-param name="key" select="'MAX_EFI_MMAP_ENTRIES'" />
-    </xsl:call-template>
-
     <xsl:call-template name="integer-by-key">
       <xsl:with-param name="key" select="'MAX_IR_ENTRIES'" />
     </xsl:call-template>