diff --git a/wangle/defs.bzl b/wangle/defs.bzl
index e9a1e6290..ad22bad9b 100644
--- a/wangle/defs.bzl
+++ b/wangle/defs.bzl
@@ -9,7 +9,6 @@ load(
     "FBCODE",
     "IOS",
     "MACOSX",
-    "WATCHOS",
     "WINDOWS",
 )
 
@@ -47,7 +46,7 @@ WINDOWS_CLANG_CXX_FLAGS = [
     "-DBOOST_HAS_THREADS",
 ]
 
-DEFAULT_APPLE_SDKS = (IOS, MACOSX, WATCHOS)
+DEFAULT_APPLE_SDKS = (IOS, MACOSX)
 
 DEFAULT_PLATFORMS = (ANDROID, APPLE, CXX, FBCODE, WINDOWS)