diff --git a/clang/test/Analysis/Checkers/WebKit/retain-ptr-ctor-adopt-use-arc.mm b/clang/test/Analysis/Checkers/WebKit/retain-ptr-ctor-adopt-use-arc.mm
index 99f488b578910..dd7208a534ea1 100644
--- a/clang/test/Analysis/Checkers/WebKit/retain-ptr-ctor-adopt-use-arc.mm
+++ b/clang/test/Analysis/Checkers/WebKit/retain-ptr-ctor-adopt-use-arc.mm
@@ -1,3 +1,4 @@
+// UNSUPPORTED: target={{.*}}-zos{{.*}}, target={{.*}}-aix{{.*}}
 // RUN: %clang_analyze_cc1 -analyzer-checker=alpha.webkit.RetainPtrCtorAdoptChecker -fobjc-arc -verify %s
 
 #include "objc-mock-types.h"
diff --git a/clang/test/Analysis/Checkers/WebKit/retain-ptr-ctor-adopt-use.mm b/clang/test/Analysis/Checkers/WebKit/retain-ptr-ctor-adopt-use.mm
index 111342bc0e388..79e0bdb7c577b 100644
--- a/clang/test/Analysis/Checkers/WebKit/retain-ptr-ctor-adopt-use.mm
+++ b/clang/test/Analysis/Checkers/WebKit/retain-ptr-ctor-adopt-use.mm
@@ -1,3 +1,4 @@
+// UNSUPPORTED: target={{.*}}-zos{{.*}}, target={{.*}}-aix{{.*}}
 // RUN: %clang_analyze_cc1 -analyzer-checker=alpha.webkit.RetainPtrCtorAdoptChecker -verify %s
 
 #include "objc-mock-types.h"