diff --git a/src/base/macros.h b/src/base/macros.h
index 3d908ccf0d..105ee58852 100644
--- a/src/base/macros.h
+++ b/src/base/macros.h
@@ -347,47 +347,32 @@ V8_INLINE A implicit_cast(A x) {
 //      write V8_2PART_UINT64_C(0x12345678,90123456);
 #define V8_2PART_UINT64_C(a, b) (((static_cast<uint64_t>(a) << 32) + 0x##b##u))
 
-
-// Compute the 0-relative offset of some absolute value x of type T.
-// This allows conversion of Addresses and integral types into
-// 0-relative int offsets.
-template <typename T>
-constexpr inline intptr_t OffsetFrom(T x) {
-  return x - static_cast<T>(0);
-}
-
-
-// Compute the absolute value of type T for some 0-relative offset x.
-// This allows conversion of 0-relative int offsets into Addresses and
-// integral types.
-template <typename T>
-constexpr inline T AddressFrom(intptr_t x) {
-  return static_cast<T>(static_cast<T>(0) + x);
-}
-
-
 // Return the largest multiple of m which is <= x.
 template <typename T>
 inline T RoundDown(T x, intptr_t m) {
+  STATIC_ASSERT(std::is_integral<T>::value);
   // m must be a power of two.
   DCHECK(m != 0 && ((m & (m - 1)) == 0));
-  return AddressFrom<T>(OffsetFrom(x) & -m);
+  return x & -m;
 }
 template <intptr_t m, typename T>
 constexpr inline T RoundDown(T x) {
+  STATIC_ASSERT(std::is_integral<T>::value);
   // m must be a power of two.
   STATIC_ASSERT(m != 0 && ((m & (m - 1)) == 0));
-  return AddressFrom<T>(OffsetFrom(x) & -m);
+  return x & -m;
 }
 
 // Return the smallest multiple of m which is >= x.
 template <typename T>
 inline T RoundUp(T x, intptr_t m) {
+  STATIC_ASSERT(std::is_integral<T>::value);
   return RoundDown<T>(static_cast<T>(x + m - 1), m);
 }
 template <intptr_t m, typename T>
 constexpr inline T RoundUp(T x) {
-  return RoundDown<m, T>(static_cast<T>(x + m - 1));
+  STATIC_ASSERT(std::is_integral<T>::value);
+  return RoundDown<m, T>(static_cast<T>(x + (m - 1)));
 }
 
 template <typename T, typename U>
diff --git a/src/base/platform/platform-fuchsia.cc b/src/base/platform/platform-fuchsia.cc
index 8fc4c03099..713ee404bd 100644
--- a/src/base/platform/platform-fuchsia.cc
+++ b/src/base/platform/platform-fuchsia.cc
@@ -67,7 +67,8 @@ void* OS::Allocate(void* address, size_t size, size_t alignment,
   }
 
   uint8_t* base = reinterpret_cast<uint8_t*>(reservation);
-  uint8_t* aligned_base = RoundUp(base, alignment);
+  uint8_t* aligned_base = reinterpret_cast<uint8_t*>(
+      RoundUp(reinterpret_cast<uintptr_t>(base), alignment));
 
   // Unmap extra memory reserved before and after the desired block.
   if (aligned_base != base) {
diff --git a/src/base/platform/platform-posix.cc b/src/base/platform/platform-posix.cc
index 465b1d327f..25b03005ba 100644
--- a/src/base/platform/platform-posix.cc
+++ b/src/base/platform/platform-posix.cc
@@ -309,7 +309,8 @@ void* OS::Allocate(void* address, size_t size, size_t alignment,
 
   // Unmap memory allocated before the aligned base address.
   uint8_t* base = static_cast<uint8_t*>(result);
-  uint8_t* aligned_base = RoundUp(base, alignment);
+  uint8_t* aligned_base = reinterpret_cast<uint8_t*>(
+      RoundUp(reinterpret_cast<uintptr_t>(base), alignment));
   if (aligned_base != base) {
     DCHECK_LT(base, aligned_base);
     size_t prefix_size = static_cast<size_t>(aligned_base - base);
diff --git a/src/base/platform/platform-win32.cc b/src/base/platform/platform-win32.cc
index 2e56ac5df1..11a008e6c6 100644
--- a/src/base/platform/platform-win32.cc
+++ b/src/base/platform/platform-win32.cc
@@ -822,7 +822,8 @@ void* OS::Allocate(void* address, size_t size, size_t alignment,
   if (base == nullptr) return nullptr;  // Can't allocate, we're OOM.
 
   // If address is suitably aligned, we're done.
-  uint8_t* aligned_base = RoundUp(base, alignment);
+  uint8_t* aligned_base = reinterpret_cast<uint8_t*>(
+      RoundUp(reinterpret_cast<uintptr_t>(base), alignment));
   if (base == aligned_base) return reinterpret_cast<void*>(base);
 
   // Otherwise, free it and try a larger allocation.
@@ -843,7 +844,8 @@ void* OS::Allocate(void* address, size_t size, size_t alignment,
     // Try to trim the allocation by freeing the padded allocation and then
     // calling VirtualAlloc at the aligned base.
     CHECK(Free(base, padded_size));
-    aligned_base = RoundUp(base, alignment);
+    aligned_base = reinterpret_cast<uint8_t*>(
+        RoundUp(reinterpret_cast<uintptr_t>(base), alignment));
     base = reinterpret_cast<uint8_t*>(
         VirtualAlloc(aligned_base, size, flags, protect));
     // We might not get the reduced allocation due to a race. In that case,
diff --git a/src/feedback-vector.h b/src/feedback-vector.h
index 1eb7e11c04..71d84534b6 100644
--- a/src/feedback-vector.h
+++ b/src/feedback-vector.h
@@ -289,7 +289,7 @@ class FeedbackVector : public HeapObject, public NeverReadOnlySpaceObject {
 #undef FEEDBACK_VECTOR_FIELDS
 
   static const int kHeaderSize =
-      RoundUp<kPointerAlignment>(kUnalignedHeaderSize);
+      RoundUp<kPointerAlignment>(int{kUnalignedHeaderSize});
   static const int kFeedbackSlotsOffset = kHeaderSize;
 
   class BodyDescriptor;
diff --git a/src/frames.h b/src/frames.h
index f7c44b0856..400f9e31bf 100644
--- a/src/frames.h
+++ b/src/frames.h
@@ -261,7 +261,7 @@ class StackFrame {
   }
 
   // Get the id of this stack frame.
-  Id id() const { return static_cast<Id>(OffsetFrom(caller_sp())); }
+  Id id() const { return static_cast<Id>(caller_sp()); }
 
   // Get the top handler from the current stack iterator.
   inline StackHandler* top_handler() const;
diff --git a/src/heap/heap.cc b/src/heap/heap.cc
index d2d02a0dd9..f85c7c2be1 100644
--- a/src/heap/heap.cc
+++ b/src/heap/heap.cc
@@ -2589,10 +2589,9 @@ int Heap::GetMaximumFillToAlign(AllocationAlignment alignment) {
 
 
 int Heap::GetFillToAlign(Address address, AllocationAlignment alignment) {
-  intptr_t offset = OffsetFrom(address);
-  if (alignment == kDoubleAligned && (offset & kDoubleAlignmentMask) != 0)
+  if (alignment == kDoubleAligned && (address & kDoubleAlignmentMask) != 0)
     return kPointerSize;
-  if (alignment == kDoubleUnaligned && (offset & kDoubleAlignmentMask) == 0)
+  if (alignment == kDoubleUnaligned && (address & kDoubleAlignmentMask) == 0)
     return kDoubleSize - kPointerSize;  // No fill if double is always aligned.
   return 0;
 }
diff --git a/src/heap/spaces.h b/src/heap/spaces.h
index 3c49dd6d06..5184de1979 100644
--- a/src/heap/spaces.h
+++ b/src/heap/spaces.h
@@ -110,11 +110,10 @@ class Space;
 
 // Some assertion macros used in the debugging mode.
 
-#define DCHECK_PAGE_ALIGNED(address) \
-  DCHECK((OffsetFrom(address) & kPageAlignmentMask) == 0)
+#define DCHECK_PAGE_ALIGNED(address) DCHECK_EQ(0, (address)&kPageAlignmentMask)
 
 #define DCHECK_OBJECT_ALIGNED(address) \
-  DCHECK((OffsetFrom(address) & kObjectAlignmentMask) == 0)
+  DCHECK_EQ(0, (address)&kObjectAlignmentMask)
 
 #define DCHECK_OBJECT_SIZE(size) \
   DCHECK((0 < size) && (size <= kMaxRegularHeapObjectSize))
@@ -411,7 +410,7 @@ class MemoryChunk {
 
   // Only works if the pointer is in the first kPageSize of the MemoryChunk.
   static MemoryChunk* FromAddress(Address a) {
-    return reinterpret_cast<MemoryChunk*>(OffsetFrom(a) & ~kAlignmentMask);
+    return reinterpret_cast<MemoryChunk*>(a & ~kAlignmentMask);
   }
   // Only works if the object is in the first kPageSize of the MemoryChunk.
   static MemoryChunk* FromHeapObject(const HeapObject* o) {
@@ -777,7 +776,7 @@ class Page : public MemoryChunk {
   // from [page_addr .. page_addr + kPageSize[. This only works if the object
   // is in fact in a page.
   static Page* FromAddress(Address addr) {
-    return reinterpret_cast<Page*>(OffsetFrom(addr) & ~kPageAlignmentMask);
+    return reinterpret_cast<Page*>(addr & ~kPageAlignmentMask);
   }
   static Page* FromHeapObject(const HeapObject* o) {
     return reinterpret_cast<Page*>(reinterpret_cast<Address>(o) &
@@ -799,7 +798,7 @@ class Page : public MemoryChunk {
 
   // Checks whether an address is page aligned.
   static bool IsAlignedToPageSize(Address addr) {
-    return (OffsetFrom(addr) & kPageAlignmentMask) == 0;
+    return (addr & kPageAlignmentMask) == 0;
   }
 
   static bool IsAtObjectStart(Address addr) {
@@ -1127,7 +1126,7 @@ class SkipList {
   }
 
   static inline int RegionNumber(Address addr) {
-    return (OffsetFrom(addr) & kPageAlignmentMask) >> kRegionSizeLog2;
+    return (addr & kPageAlignmentMask) >> kRegionSizeLog2;
   }
 
   static void Update(Address addr, int size) {
diff --git a/src/objects-inl.h b/src/objects-inl.h
index 23d8669089..c0345d0cb5 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -2299,11 +2299,11 @@ bool Foreign::IsNormalized(Object* value) {
 }
 
 Address Foreign::foreign_address() {
-  return AddressFrom<Address>(READ_INTPTR_FIELD(this, kForeignAddressOffset));
+  return READ_UINTPTR_FIELD(this, kForeignAddressOffset);
 }
 
 void Foreign::set_foreign_address(Address value) {
-  WRITE_INTPTR_FIELD(this, kForeignAddressOffset, OffsetFrom(value));
+  WRITE_UINTPTR_FIELD(this, kForeignAddressOffset, value);
 }
 
 template <class Derived>
diff --git a/src/utils.h b/src/utils.h
index e6dcee9b87..085d5da2e7 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -166,13 +166,11 @@ inline bool IsAligned(T value, U alignment) {
   return (value & (alignment - 1)) == 0;
 }
 
-
-// Returns true if (addr + offset) is aligned.
+// Returns true if {addr + offset} is aligned.
 inline bool IsAddressAligned(Address addr,
                              intptr_t alignment,
                              int offset = 0) {
-  intptr_t offs = OffsetFrom(addr + offset);
-  return IsAligned(offs, alignment);
+  return IsAligned(addr + offset, alignment);
 }