diff --git a/test/std/language.support/support.types/byteops/and.assign.pass.cpp b/test/std/language.support/support.types/byteops/and.assign.pass.cpp
index 1c9790e2c..ec1c3805a 100644
--- a/test/std/language.support/support.types/byteops/and.assign.pass.cpp
+++ b/test/std/language.support/support.types/byteops/and.assign.pass.cpp
@@ -11,9 +11,6 @@
 #include <test_macros.h>
 
 // UNSUPPORTED: c++98, c++03, c++11, c++14
-// The following compilers don't like "std::byte b1{1}"
-// UNSUPPORTED: clang-3.5, clang-3.6, clang-3.7, clang-3.8
-// UNSUPPORTED: apple-clang-6, apple-clang-7, apple-clang-8.0
 
 // constexpr byte& operator &=(byte l, byte r) noexcept;
 
diff --git a/test/std/language.support/support.types/byteops/and.pass.cpp b/test/std/language.support/support.types/byteops/and.pass.cpp
index 7ed80a008..6c5419cfc 100644
--- a/test/std/language.support/support.types/byteops/and.pass.cpp
+++ b/test/std/language.support/support.types/byteops/and.pass.cpp
@@ -11,9 +11,6 @@
 #include <test_macros.h>
 
 // UNSUPPORTED: c++98, c++03, c++11, c++14
-// The following compilers don't like "std::byte b1{1}"
-// UNSUPPORTED: clang-3.5, clang-3.6, clang-3.7, clang-3.8
-// UNSUPPORTED: apple-clang-6, apple-clang-7, apple-clang-8.0
 
 // constexpr byte operator&(byte l, byte r) noexcept;
 
diff --git a/test/std/language.support/support.types/byteops/lshift.assign.pass.cpp b/test/std/language.support/support.types/byteops/lshift.assign.pass.cpp
index f19a02163..abfeebf2b 100644
--- a/test/std/language.support/support.types/byteops/lshift.assign.pass.cpp
+++ b/test/std/language.support/support.types/byteops/lshift.assign.pass.cpp
@@ -11,9 +11,6 @@
 #include <test_macros.h>
 
 // UNSUPPORTED: c++98, c++03, c++11, c++14
-// The following compilers don't like "std::byte b1{1}"
-// UNSUPPORTED: clang-3.5, clang-3.6, clang-3.7, clang-3.8
-// UNSUPPORTED: apple-clang-6, apple-clang-7, apple-clang-8.0
 
 // template <class IntegerType>
 //   constexpr byte& operator<<=(byte& b, IntegerType shift) noexcept;
diff --git a/test/std/language.support/support.types/byteops/lshift.fail.cpp b/test/std/language.support/support.types/byteops/lshift.fail.cpp
index e2f7c95c1..707258c6d 100644
--- a/test/std/language.support/support.types/byteops/lshift.fail.cpp
+++ b/test/std/language.support/support.types/byteops/lshift.fail.cpp
@@ -11,9 +11,6 @@
 #include <test_macros.h>
 
 // UNSUPPORTED: c++98, c++03, c++11, c++14
-// The following compilers don't like "std::byte b1{1}"
-// UNSUPPORTED: clang-3.5, clang-3.6, clang-3.7, clang-3.8
-// UNSUPPORTED: apple-clang-6, apple-clang-7, apple-clang-8.0
 
 // template <class IntegerType>
 //    constexpr byte operator <<(byte b, IntegerType shift) noexcept;
diff --git a/test/std/language.support/support.types/byteops/lshift.pass.cpp b/test/std/language.support/support.types/byteops/lshift.pass.cpp
index 831673aac..15ad796cb 100644
--- a/test/std/language.support/support.types/byteops/lshift.pass.cpp
+++ b/test/std/language.support/support.types/byteops/lshift.pass.cpp
@@ -11,9 +11,6 @@
 #include <test_macros.h>
 
 // UNSUPPORTED: c++98, c++03, c++11, c++14
-// The following compilers don't like "std::byte b1{1}"
-// UNSUPPORTED: clang-3.5, clang-3.6, clang-3.7, clang-3.8
-// UNSUPPORTED: apple-clang-6, apple-clang-7, apple-clang-8.0
 
 // template <class IntegerType>
 //    constexpr byte operator <<(byte b, IntegerType shift) noexcept;
diff --git a/test/std/language.support/support.types/byteops/not.pass.cpp b/test/std/language.support/support.types/byteops/not.pass.cpp
index 55f26f774..53f1d91fa 100644
--- a/test/std/language.support/support.types/byteops/not.pass.cpp
+++ b/test/std/language.support/support.types/byteops/not.pass.cpp
@@ -11,9 +11,6 @@
 #include <test_macros.h>
 
 // UNSUPPORTED: c++98, c++03, c++11, c++14
-// The following compilers don't like "std::byte b1{1}"
-// UNSUPPORTED: clang-3.5, clang-3.6, clang-3.7, clang-3.8
-// UNSUPPORTED: apple-clang-6, apple-clang-7, apple-clang-8.0
 
 // constexpr byte operator~(byte b) noexcept;
 
diff --git a/test/std/language.support/support.types/byteops/or.assign.pass.cpp b/test/std/language.support/support.types/byteops/or.assign.pass.cpp
index 51d983547..bb4a84ec6 100644
--- a/test/std/language.support/support.types/byteops/or.assign.pass.cpp
+++ b/test/std/language.support/support.types/byteops/or.assign.pass.cpp
@@ -11,9 +11,6 @@
 #include <test_macros.h>
 
 // UNSUPPORTED: c++98, c++03, c++11, c++14
-// The following compilers don't like "std::byte b1{1}"
-// UNSUPPORTED: clang-3.5, clang-3.6, clang-3.7, clang-3.8
-// UNSUPPORTED: apple-clang-6, apple-clang-7, apple-clang-8.0
 
 // constexpr byte& operator |=(byte l, byte r) noexcept;
 
diff --git a/test/std/language.support/support.types/byteops/or.pass.cpp b/test/std/language.support/support.types/byteops/or.pass.cpp
index 24e6fe7af..e2b734982 100644
--- a/test/std/language.support/support.types/byteops/or.pass.cpp
+++ b/test/std/language.support/support.types/byteops/or.pass.cpp
@@ -11,9 +11,6 @@
 #include <test_macros.h>
 
 // UNSUPPORTED: c++98, c++03, c++11, c++14
-// The following compilers don't like "std::byte b1{1}"
-// UNSUPPORTED: clang-3.5, clang-3.6, clang-3.7, clang-3.8
-// UNSUPPORTED: apple-clang-6, apple-clang-7, apple-clang-8.0
 
 // constexpr byte operator|(byte l, byte r) noexcept;
 
diff --git a/test/std/language.support/support.types/byteops/rshift.assign.pass.cpp b/test/std/language.support/support.types/byteops/rshift.assign.pass.cpp
index 23db61ce3..82c611cfd 100644
--- a/test/std/language.support/support.types/byteops/rshift.assign.pass.cpp
+++ b/test/std/language.support/support.types/byteops/rshift.assign.pass.cpp
@@ -11,9 +11,6 @@
 #include <test_macros.h>
 
 // UNSUPPORTED: c++98, c++03, c++11, c++14
-// The following compilers don't like "std::byte b1{1}"
-// UNSUPPORTED: clang-3.5, clang-3.6, clang-3.7, clang-3.8
-// UNSUPPORTED: apple-clang-6, apple-clang-7, apple-clang-8.0
 
 // template <class IntegerType>
 //   constexpr byte& operator>>=(byte& b, IntegerType shift) noexcept;
diff --git a/test/std/language.support/support.types/byteops/rshift.fail.cpp b/test/std/language.support/support.types/byteops/rshift.fail.cpp
index 74f19fdbd..8e142dd90 100644
--- a/test/std/language.support/support.types/byteops/rshift.fail.cpp
+++ b/test/std/language.support/support.types/byteops/rshift.fail.cpp
@@ -11,9 +11,6 @@
 #include <test_macros.h>
 
 // UNSUPPORTED: c++98, c++03, c++11, c++14
-// The following compilers don't like "std::byte b1{1}"
-// UNSUPPORTED: clang-3.5, clang-3.6, clang-3.7, clang-3.8
-// UNSUPPORTED: apple-clang-6, apple-clang-7, apple-clang-8.0
 
 // template <class IntegerType>
 //    constexpr byte operator >>(byte b, IntegerType shift) noexcept;
diff --git a/test/std/language.support/support.types/byteops/rshift.pass.cpp b/test/std/language.support/support.types/byteops/rshift.pass.cpp
index 9b1c25872..22d399130 100644
--- a/test/std/language.support/support.types/byteops/rshift.pass.cpp
+++ b/test/std/language.support/support.types/byteops/rshift.pass.cpp
@@ -11,9 +11,6 @@
 #include <test_macros.h>
 
 // UNSUPPORTED: c++98, c++03, c++11, c++14
-// The following compilers don't like "std::byte b1{1}"
-// UNSUPPORTED: clang-3.5, clang-3.6, clang-3.7, clang-3.8
-// UNSUPPORTED: apple-clang-6, apple-clang-7, apple-clang-8.0
 
 // template <class IntegerType>
 //    constexpr byte operator <<(byte b, IntegerType shift) noexcept;
diff --git a/test/std/language.support/support.types/byteops/to_integer.fail.cpp b/test/std/language.support/support.types/byteops/to_integer.fail.cpp
index add3168e9..fb4928956 100644
--- a/test/std/language.support/support.types/byteops/to_integer.fail.cpp
+++ b/test/std/language.support/support.types/byteops/to_integer.fail.cpp
@@ -11,9 +11,6 @@
 #include <test_macros.h>
 
 // UNSUPPORTED: c++98, c++03, c++11, c++14
-// The following compilers don't like "std::byte b1{1}"
-// UNSUPPORTED: clang-3.5, clang-3.6, clang-3.7, clang-3.8
-// UNSUPPORTED: apple-clang-6, apple-clang-7, apple-clang-8.0
 
 // template <class IntegerType>
 //    constexpr IntegerType to_integer(byte b) noexcept;
diff --git a/test/std/language.support/support.types/byteops/to_integer.pass.cpp b/test/std/language.support/support.types/byteops/to_integer.pass.cpp
index 353ef3a4e..4f3436344 100644
--- a/test/std/language.support/support.types/byteops/to_integer.pass.cpp
+++ b/test/std/language.support/support.types/byteops/to_integer.pass.cpp
@@ -11,9 +11,6 @@
 #include <test_macros.h>
 
 // UNSUPPORTED: c++98, c++03, c++11, c++14
-// The following compilers don't like "std::byte b1{1}"
-// UNSUPPORTED: clang-3.5, clang-3.6, clang-3.7, clang-3.8
-// UNSUPPORTED: apple-clang-6, apple-clang-7, apple-clang-8.0
 
 // template <class IntegerType>
 //    constexpr IntegerType to_integer(byte b) noexcept;
diff --git a/test/std/language.support/support.types/byteops/xor.assign.pass.cpp b/test/std/language.support/support.types/byteops/xor.assign.pass.cpp
index 0d2e7cfd6..6a526da3d 100644
--- a/test/std/language.support/support.types/byteops/xor.assign.pass.cpp
+++ b/test/std/language.support/support.types/byteops/xor.assign.pass.cpp
@@ -11,9 +11,6 @@
 #include <test_macros.h>
 
 // UNSUPPORTED: c++98, c++03, c++11, c++14
-// The following compilers don't like "std::byte b1{1}"
-// UNSUPPORTED: clang-3.5, clang-3.6, clang-3.7, clang-3.8
-// UNSUPPORTED: apple-clang-6, apple-clang-7, apple-clang-8.0
 
 // constexpr byte& operator ^=(byte l, byte r) noexcept;
 
diff --git a/test/std/language.support/support.types/byteops/xor.pass.cpp b/test/std/language.support/support.types/byteops/xor.pass.cpp
index fed71df01..e8c3b9875 100644
--- a/test/std/language.support/support.types/byteops/xor.pass.cpp
+++ b/test/std/language.support/support.types/byteops/xor.pass.cpp
@@ -11,9 +11,6 @@
 #include <test_macros.h>
 
 // UNSUPPORTED: c++98, c++03, c++11, c++14
-// The following compilers don't like "std::byte b1{1}"
-// UNSUPPORTED: clang-3.5, clang-3.6, clang-3.7, clang-3.8
-// UNSUPPORTED: apple-clang-6, apple-clang-7, apple-clang-8.0
 
 // constexpr byte operator^(byte l, byte r) noexcept;