diff --git a/clang/include/clang/Driver/Distro.h b/clang/include/clang/Driver/Distro.h
--- a/clang/include/clang/Driver/Distro.h
+++ b/clang/include/clang/Driver/Distro.h
@@ -39,9 +39,7 @@
     DebianBullseye,
     DebianBookworm,
     Exherbo,
-    RHEL5,
-    RHEL6,
-    RHEL7,
+    RHEL,
     Fedora,
     Gentoo,
     OpenSUSE,
@@ -114,7 +112,7 @@
   /// @{
 
   bool IsRedhat() const {
-    return DistroVal == Fedora || (DistroVal >= RHEL5 && DistroVal <= RHEL7);
+    return DistroVal == Fedora || DistroVal == RHEL;
   }
 
   bool IsOpenSUSE() const { return DistroVal == OpenSUSE; }
diff --git a/clang/lib/Driver/Distro.cpp b/clang/lib/Driver/Distro.cpp
--- a/clang/lib/Driver/Distro.cpp
+++ b/clang/lib/Driver/Distro.cpp
@@ -118,12 +118,7 @@
       return Distro::Fedora;
     if (Data.startswith("Red Hat Enterprise Linux") ||
         Data.startswith("CentOS") || Data.startswith("Scientific Linux")) {
-      if (Data.find("release 7") != StringRef::npos)
-        return Distro::RHEL7;
-      else if (Data.find("release 6") != StringRef::npos)
-        return Distro::RHEL6;
-      else if (Data.find("release 5") != StringRef::npos)
-        return Distro::RHEL5;
+        return Distro::RHEL;
     }
     return Distro::UnknownDistro;
   }
diff --git a/clang/unittests/Driver/DistroTest.cpp b/clang/unittests/Driver/DistroTest.cpp
--- a/clang/unittests/Driver/DistroTest.cpp
+++ b/clang/unittests/Driver/DistroTest.cpp
@@ -152,7 +152,7 @@
                                        "REDHAT_SUPPORT_PRODUCT_VERSION=\"7\"\n"));
 
   Distro CentOS7{CentOS7FileSystem, llvm::Triple("unknown-pc-linux")};
-  ASSERT_EQ(Distro(Distro::RHEL7), CentOS7);
+  ASSERT_EQ(Distro(Distro::RHEL), CentOS7);
   ASSERT_FALSE(CentOS7.IsUbuntu());
   ASSERT_TRUE(CentOS7.IsRedhat());
   ASSERT_FALSE(CentOS7.IsOpenSUSE());