diff --git a/CoreFoundation/Base.subproj/CFRuntime.h b/CoreFoundation/Base.subproj/CFRuntime.h
index 6318834e60..66f7a8c949 100644
--- a/CoreFoundation/Base.subproj/CFRuntime.h
+++ b/CoreFoundation/Base.subproj/CFRuntime.h
@@ -194,19 +194,11 @@ typedef struct __CFRuntimeBase {
     // This matches the isa and retain count storage in Swift
     uintptr_t _cfisa;
     uintptr_t _swift_rc;
-    // This is for CF's use, and must match _NSCFType layout
-#if defined(__LP64__) || defined(__LLP64__)
+    // This is for CF's use, and must match __NSCFType/_CFInfo layout
     _Atomic(uint64_t) _cfinfoa;
-#else
-    _Atomic(uint32_t) _cfinfoa;
-#endif
 } CFRuntimeBase;
 
-#if defined(__LP64__) || defined(__LLP64__)
 #define INIT_CFRUNTIME_BASE(...) {0, _CF_CONSTANT_OBJECT_STRONG_RC, 0x0000000000000080ULL}
-#else
-#define INIT_CFRUNTIME_BASE(...) {0, _CF_CONSTANT_OBJECT_STRONG_RC, 0x00000080UL}
-#endif
 
 #else
 
diff --git a/CoreFoundation/String.subproj/CFString.h b/CoreFoundation/String.subproj/CFString.h
index e7e7a43de4..8fb912ae1a 100644
--- a/CoreFoundation/String.subproj/CFString.h
+++ b/CoreFoundation/String.subproj/CFString.h
@@ -165,11 +165,7 @@ struct __CFConstStr {
     struct {
         uintptr_t _cfisa;
         uintptr_t _swift_rc;
-#if defined(__LP64__) || defined(__LLP64__)
         uint64_t _cfinfoa;
-#else // 32-bit:
-        uint32_t _cfinfoa;
-#endif // defined(__LP64__) || defined(__LLP64__)
     } _base;
     uint8_t *_ptr;
 #if defined(__LP64__) && defined(__BIG_ENDIAN__)