diff --git a/libcxxabi/test/cxa_vec_new_overflow_PR41395.pass.cpp b/libcxxabi/test/cxa_vec_new_overflow_PR41395.pass.cpp
index 746dbaad053e..fa168e105e78 100644
--- a/libcxxabi/test/cxa_vec_new_overflow_PR41395.pass.cpp
+++ b/libcxxabi/test/cxa_vec_new_overflow_PR41395.pass.cpp
@@ -8,9 +8,6 @@
 
 // UNSUPPORTED: no-exceptions
 
-// This test requires the fix in http://llvm.org/PR41395 (c4225e124f9e).
-// XFAIL: using-built-library-before-llvm-9
-
 #include "cxxabi.h"
 #include <cassert>
 #include <cstddef>
diff --git a/libcxxabi/test/dynamic_cast.pass.cpp b/libcxxabi/test/dynamic_cast.pass.cpp
index b144e8c06bc5..143a4bbe135f 100644
--- a/libcxxabi/test/dynamic_cast.pass.cpp
+++ b/libcxxabi/test/dynamic_cast.pass.cpp
@@ -6,9 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// This test requires PR33425, PR33487 and PR33439.
-// XFAIL: using-built-library-before-llvm-9
-
 #include <cassert>
 
 // This test explicitly tests dynamic cast with types that have inaccessible
diff --git a/libcxxabi/test/test_aux_runtime_op_array_new.pass.cpp b/libcxxabi/test/test_aux_runtime_op_array_new.pass.cpp
index 3b4cea02012d..76033307bd5b 100644
--- a/libcxxabi/test/test_aux_runtime_op_array_new.pass.cpp
+++ b/libcxxabi/test/test_aux_runtime_op_array_new.pass.cpp
@@ -8,10 +8,6 @@
 
 // UNSUPPORTED: no-exceptions
 
-// ___cxa_throw_bad_array_new_length is re-exported from libc++ only starting
-// in LLVM 9.
-// XFAIL: using-built-library-before-llvm-9
-
 #include <cxxabi.h>
 #include <new>
 
diff --git a/libcxxabi/test/uncaught_exceptions.pass.cpp b/libcxxabi/test/uncaught_exceptions.pass.cpp
index d1074616386b..758e7a1b7979 100644
--- a/libcxxabi/test/uncaught_exceptions.pass.cpp
+++ b/libcxxabi/test/uncaught_exceptions.pass.cpp
@@ -8,9 +8,6 @@
 
 // UNSUPPORTED: no-exceptions
 
-// __cxa_uncaught_exceptions is not re-exported from libc++ until LLVM 9.
-// XFAIL: using-built-library-before-llvm-9
-
 #include <cxxabi.h>
 #include <cassert>