diff --git a/arch/src/x86_64/acpi.rs b/arch/src/x86_64/acpi.rs
index 5c23d77c3..e36d470ef 100644
--- a/arch/src/x86_64/acpi.rs
+++ b/arch/src/x86_64/acpi.rs
@@ -129,12 +129,6 @@ pub fn create_dsdt_table(
                     &aml::IO::new(0xcf8, 0xcf8, 1, 0x8),
                     &aml::AddressSpace::new_io(0x0u16, 0xcf7u16),
                     &aml::AddressSpace::new_io(0xd00u16, 0xffffu16),
-                    &aml::AddressSpace::new_memory(
-                        aml::AddressSpaceCachable::Cacheable,
-                        true,
-                        0xa_0000u32,
-                        0xb_ffffu32,
-                    ),
                     &aml::AddressSpace::new_memory(
                         aml::AddressSpaceCachable::NotCacheable,
                         true,