diff --git a/kernel/mem/constants_amd64.go b/kernel/mem/constants_amd64.go
index aea2911..068b23e 100644
--- a/kernel/mem/constants_amd64.go
+++ b/kernel/mem/constants_amd64.go
@@ -3,6 +3,10 @@
 package mem
 
 const (
+	// PointerShift is equal to log2(unsafe.Sizeof(uintptr)). The pointer
+	// size for this architecture is defined as (1 << PointerShift).
+	PointerShift = 3
+
 	// PageShift is equal to log2(PageSize). This constant is used when
 	// we need to convert a physical address to a page number (shift right by PageShift)
 	// and vice-versa.
diff --git a/kernel/mem/pmm/bootmem_allocator_test.go b/kernel/mem/pmm/bootmem_allocator_test.go
index 8632b66..fc9d394 100644
--- a/kernel/mem/pmm/bootmem_allocator_test.go
+++ b/kernel/mem/pmm/bootmem_allocator_test.go
@@ -49,14 +49,6 @@ func TestBootMemoryAllocator(t *testing.T) {
 		if !frame.IsValid() {
 			t.Errorf("[frame %d] expected IsValid() to return true", allocFrameCount)
 		}
-
-		if got := frame.PageOrder(); got != mem.PageOrder(0) {
-			t.Errorf("[frame %d] expected allocated frame page order to be 0; got %d", allocFrameCount, got)
-		}
-
-		if got := frame.Size(); got != mem.PageSize {
-			t.Errorf("[frame %d] expected allocated frame size to be %d; got %d", allocFrameCount, mem.PageSize, got)
-		}
 	}
 
 	if allocFrameCount != totalFreeFrames {
diff --git a/kernel/mem/pmm/frame.go b/kernel/mem/pmm/frame.go
index 478406c..5b03dce 100644
--- a/kernel/mem/pmm/frame.go
+++ b/kernel/mem/pmm/frame.go
@@ -8,7 +8,7 @@ import (
 )
 
 // Frame describes a physical memory page index.
-type Frame uint64
+type Frame uintptr
 
 const (
 	// InvalidFrame is returned by page allocators when
@@ -25,14 +25,3 @@ func (f Frame) IsValid() bool {
 func (f Frame) Address() uintptr {
 	return uintptr(f << mem.PageShift)
 }
-
-// PageOrder returns the page order of this frame. The page order is encoded in the
-// 8 MSB of the frame number.
-func (f Frame) PageOrder() mem.PageOrder {
-	return mem.PageOrder((f >> 56) & 0xFF)
-}
-
-// Size returns the size of this frame.
-func (f Frame) Size() mem.Size {
-	return mem.PageSize << ((f >> 56) & 0xFF)
-}
diff --git a/kernel/mem/pmm/frame_test.go b/kernel/mem/pmm/frame_test.go
index 786e465..990794c 100644
--- a/kernel/mem/pmm/frame_test.go
+++ b/kernel/mem/pmm/frame_test.go
@@ -15,17 +15,9 @@ func TestFrameMethods(t *testing.T) {
 				t.Errorf("[order %d] expected frame %d to be valid", order, frameIndex)
 			}
 
-			if got := frame.PageOrder(); got != order {
-				t.Errorf("[order %d] expected frame (%d, index: %d) call to PageOrder() to return %d; got %d", order, frame, frameIndex, order, got)
-			}
-
 			if exp, got := uintptr(frameIndex<<mem.PageShift), frame.Address(); got != exp {
 				t.Errorf("[order %d] expected frame (%d, index: %d) call to Address() to return %x; got %x", order, frame, frameIndex, exp, got)
 			}
-
-			if exp, got := mem.Size(mem.PageSize<<order), frame.Size(); got != exp {
-				t.Errorf("[order %d] expected frame (%d, index: %d) call to Size() to return %d; got %d", order, frame, frameIndex, exp, got)
-			}
 		}
 	}
 }