diff --git a/test/Driver/loaded_module_trace_foundation.swift b/test/Driver/loaded_module_trace_foundation.swift
index 9c9b7f75302d4..72c7ac4063655 100644
--- a/test/Driver/loaded_module_trace_foundation.swift
+++ b/test/Driver/loaded_module_trace_foundation.swift
@@ -1,5 +1,8 @@
 // RUN: %target-build-swift -o %t -module-name loaded_module_trace_foundation %s -emit-loaded-module-trace -emit-loaded-module-trace-path - 2>&1 | %FileCheck %s
 
+// Disabled for now
+// REQUIRES: rdar://problem/31771633
+
 // REQUIRES: objc_interop
 
 // CHECK: {
diff --git a/test/Driver/loaded_module_trace_header.swift b/test/Driver/loaded_module_trace_header.swift
index d1524d19ba85c..e7b9265903955 100644
--- a/test/Driver/loaded_module_trace_header.swift
+++ b/test/Driver/loaded_module_trace_header.swift
@@ -1,6 +1,9 @@
 // RUN: env SWIFT_LOADED_MODULE_TRACE_PATH=%t %target-build-swift -module-name loaded_module_trace_header %s -o- -import-objc-header %S/Inputs/loaded_module_trace_header.h > /dev/null
 // RUN: %FileCheck %s < %t
 
+// Disabled for now
+// REQUIRES: rdar://problem/31771633
+
 // REQUIRES: objc_interop
 
 // CHECK: {