diff --git a/Sources/CoreFoundation/CFBinaryPList.c b/Sources/CoreFoundation/CFBinaryPList.c
index 3655b89f5f..47069c90b1 100644
--- a/Sources/CoreFoundation/CFBinaryPList.c
+++ b/Sources/CoreFoundation/CFBinaryPList.c
@@ -561,11 +561,9 @@ CF_PRIVATE CFIndex __CFBinaryPlistWriteOrPresize(CFPropertyListRef plist, CFType
     const CFSetCallBacks setCallbacks = {0, __CFTypeCollectionRetain, __CFTypeCollectionRelease, 0, 0, 0};
     uniquingset = CFSetCreateMutable(kCFAllocatorSystemDefault, 0, &setCallbacks);
 
-#if TARGET_OS_OSX
     _CFDictionarySetCapacity(objtable, estimate ? estimate : 650);
     _CFArraySetCapacity(objlist, estimate ? estimate : 650);
     _CFSetSetCapacity(uniquingset, estimate ? estimate : 1000);
-#endif
 
     _flattenPlist(plist, objlist, objtable, uniquingset);