diff --git a/reactos/hal/hal/hal_arm.def b/reactos/hal/hal/hal_arm.def
deleted file mode 100644
index 33020ec4dff..00000000000
--- a/reactos/hal/hal/hal_arm.def
+++ /dev/null
@@ -1,101 +0,0 @@
-; Hardware Abstraction Layer - ReactOS Operating System
-
-LIBRARY hal.dll
-
-EXPORTS
-ExAcquireFastMutex=ExiAcquireFastMutex
-ExReleaseFastMutex=ExiReleaseFastMutex
-ExTryToAcquireFastMutex=ExiTryToAcquireFastMutex
-HalClearSoftwareInterrupt
-HalRequestSoftwareInterrupt
-HalSystemVectorDispatchEntry
-KeAcquireInStackQueuedSpinLock
-KeAcquireInStackQueuedSpinLockRaiseToSynch
-KeAcquireSpinLockRaiseToSynch
-KeAcquireQueuedSpinLock
-KeAcquireQueuedSpinLockRaiseToSynch
-KeReleaseInStackQueuedSpinLock
-KeReleaseQueuedSpinLock
-KeTryToAcquireQueuedSpinLock
-KeTryToAcquireQueuedSpinLockRaiseToSynch
-KfAcquireSpinLock
-KfLowerIrql
-KfRaiseIrql
-KfReleaseSpinLock
-
-HalAcquireDisplayOwnership
-HalAdjustResourceList
-HalAllProcessorsStarted
-HalAllocateAdapterChannel
-HalAllocateCommonBuffer
-HalAllocateCrashDumpRegisters
-HalAssignSlotResources
-HalBeginSystemInterrupt
-HalCalibratePerformanceCounter
-HalDisableSystemInterrupt
-HalDisplayString
-HalEnableSystemInterrupt
-HalEndSystemInterrupt
-HalFlushCommonBuffer
-HalFreeCommonBuffer
-HalGetAdapter
-HalGetBusData
-HalGetBusDataByOffset
-HalGetEnvironmentVariable
-HalGetInterruptSource
-HalGetInterruptVector
-HalHandleNMI
-HalInitSystem
-HalInitializeProcessor
-HalMakeBeep
-HalProcessorIdle
-HalQueryDisplayParameters
-HalQueryRealTimeClock
-HalReadDmaCounter
-HalReportResourceUsage
-HalRequestIpi
-HalReturnToFirmware
-HalSetBusData
-HalSetBusDataByOffset
-HalSetDisplayParameters
-HalSetEnvironmentVariable
-HalSetProfileInterval
-HalSetRealTimeClock
-HalSetTimeIncrement
-HalStartNextProcessor
-HalStartProfileInterrupt
-HalStopProfileInterrupt
-HalSweepIcache
-HalSweepDcache
-HalTranslateBusAddress
-IoAssignDriveLetters=HalpAssignDriveLetters
-IoFlushAdapterBuffers
-IoFreeAdapterChannel
-IoFreeMapRegisters
-IoMapTransfer
-IoReadPartitionTable=HalpReadPartitionTable
-IoSetPartitionInformation=HalpSetPartitionInformation
-IoWritePartitionTable=HalpWritePartitionTable
-KeAcquireSpinLock
-KdComPortInUse=_KdComPortInUse DATA
-KeFlushWriteBuffer
-KeGetCurrentIrql
-KeLowerIrql
-KeQueryPerformanceCounter
-KeRaiseIrql
-KeRaiseIrqlToDpcLevel
-KeRaiseIrqlToSynchLevel
-KeReleaseSpinLock
-KeStallExecutionProcessor
-READ_PORT_BUFFER_UCHAR
-READ_PORT_BUFFER_ULONG
-READ_PORT_BUFFER_USHORT
-READ_PORT_UCHAR
-READ_PORT_ULONG
-READ_PORT_USHORT
-WRITE_PORT_BUFFER_UCHAR
-WRITE_PORT_BUFFER_ULONG
-WRITE_PORT_BUFFER_USHORT
-WRITE_PORT_UCHAR
-WRITE_PORT_ULONG
-WRITE_PORT_USHORT
diff --git a/reactos/hal/halarm/up/halup.rbuild b/reactos/hal/halarm/up/halup.rbuild
index 0576021a4d0..1d13227b541 100644
--- a/reactos/hal/halarm/up/halup.rbuild
+++ b/reactos/hal/halarm/up/halup.rbuild
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!DOCTYPE module SYSTEM "../../../tools/rbuild/project.dtd">
 <module name="halarm_up" type="kernelmodedll" installbase="system32" installname="hal.dll">
-	<importlibrary definition="../../hal/hal_arm.def" />
+	<importlibrary base="hal" definition="hal.spec.def" />
 	<bootstrap installbase="$(CDOUTPUT)" nameoncd="hal.dll" />
 	<include base="halarm_generic">../include</include>
 	<include base="ntoskrnl">include</include>