diff --git a/lib/IRGen/GenMeta.cpp b/lib/IRGen/GenMeta.cpp
index a3748dc1431fe..a4fb59a6d49da 100644
--- a/lib/IRGen/GenMeta.cpp
+++ b/lib/IRGen/GenMeta.cpp
@@ -6880,7 +6880,7 @@ namespace {
 
     void emitInitializeMetadata(IRGenFunction &IGF, llvm::Value *metadata,
                                 MetadataDependencyCollector *collector) {
-      llvm_unreachable("Not implemented for foreign reference types.");
+      // Foreign reference types do not currently require extra metadata.
     }
 
     // Visitor methods.
diff --git a/test/Interop/C/struct/foreign-reference.swift b/test/Interop/C/struct/foreign-reference.swift
index a73c3d330b21e..9c30d27f3b230 100644
--- a/test/Interop/C/struct/foreign-reference.swift
+++ b/test/Interop/C/struct/foreign-reference.swift
@@ -3,9 +3,6 @@
 //
 // REQUIRES: executable_test
 
-// XFAIL: OS=windows-msvc
-// FIXME: Runtime support for C++ foreign reference types is missing on Windows (https://github.com/swiftlang/swift/issues/82643)
-
 import StdlibUnittest
 import ForeignReference
 
diff --git a/test/Interop/Cxx/foreign-reference/array-of-classes.swift b/test/Interop/Cxx/foreign-reference/array-of-classes.swift
index 7509bc12e5652..e9db746d53c63 100644
--- a/test/Interop/Cxx/foreign-reference/array-of-classes.swift
+++ b/test/Interop/Cxx/foreign-reference/array-of-classes.swift
@@ -8,9 +8,6 @@
 // REQUIRES: executable_test
 // UNSUPPORTED: back_deployment_runtime
 
-// Metadata for foreign reference types is not supported on Windows.
-// UNSUPPORTED: OS=windows-msvc
-
 //--- Inputs/module.modulemap
 
 module Test {
diff --git a/test/Interop/Cxx/foreign-reference/extensions.swift b/test/Interop/Cxx/foreign-reference/extensions.swift
index 818b648be3981..b726bea691e54 100644
--- a/test/Interop/Cxx/foreign-reference/extensions.swift
+++ b/test/Interop/Cxx/foreign-reference/extensions.swift
@@ -1,9 +1,6 @@
 // RUN: %target-run-simple-swift(-I %S/Inputs/ -Xfrontend -cxx-interoperability-mode=default -Xfrontend -disable-availability-checking -Onone) | %FileCheck %s
 // REQUIRES: executable_test
 
-// Metadata for foreign reference types is not supported on Windows.
-// UNSUPPORTED: OS=windows-msvc
-
 import ReferenceCounted
 
 protocol MyProto {
diff --git a/test/Interop/Cxx/foreign-reference/inheritance.swift b/test/Interop/Cxx/foreign-reference/inheritance.swift
index 00af85ae45d75..d0e51df7381c6 100644
--- a/test/Interop/Cxx/foreign-reference/inheritance.swift
+++ b/test/Interop/Cxx/foreign-reference/inheritance.swift
@@ -1,9 +1,6 @@
 // REQUIRES: executable_test
 // RUN: %target-run-simple-swift(-cxx-interoperability-mode=default -Xfrontend -disable-availability-checking -I %S/Inputs)
 
-// TODO: Fix this lit test failure on windows rdar://145218056
-// XFAIL: OS=windows-msvc
-
 import Inheritance
 import StdlibUnittest
 
diff --git a/test/Interop/Cxx/foreign-reference/multiple-protocol-conformances.swift b/test/Interop/Cxx/foreign-reference/multiple-protocol-conformances.swift
index 4364e8857ed7b..9d0ede722a952 100644
--- a/test/Interop/Cxx/foreign-reference/multiple-protocol-conformances.swift
+++ b/test/Interop/Cxx/foreign-reference/multiple-protocol-conformances.swift
@@ -2,8 +2,6 @@
 // RUN: split-file %s %t
 // RUN: %target-build-swift -I %S/Inputs %t/main.swift %t/second.swift -cxx-interoperability-mode=default -Xfrontend -disable-availability-checking
 
-// XFAIL: OS=windows-msvc
-
 //--- main.swift
 import ReferenceCounted
 
diff --git a/test/Interop/Cxx/foreign-reference/print-reference.swift b/test/Interop/Cxx/foreign-reference/print-reference.swift
index 4294689d32885..16d39df3bed95 100644
--- a/test/Interop/Cxx/foreign-reference/print-reference.swift
+++ b/test/Interop/Cxx/foreign-reference/print-reference.swift
@@ -2,9 +2,6 @@
 
 // REQUIRES: executable_test
 
-// Metadata for foreign reference types is not supported on Windows.
-// UNSUPPORTED: OS=windows-msvc
-
 // Temporarily disable when running with an older runtime (rdar://153205860)
 // UNSUPPORTED: use_os_stdlib
 // UNSUPPORTED: back_deployment_runtime
diff --git a/test/Interop/Cxx/foreign-reference/reference-counted-irgen.swift b/test/Interop/Cxx/foreign-reference/reference-counted-irgen.swift
index fbef0db69bbba..5632431cefbfd 100644
--- a/test/Interop/Cxx/foreign-reference/reference-counted-irgen.swift
+++ b/test/Interop/Cxx/foreign-reference/reference-counted-irgen.swift
@@ -1,5 +1,4 @@
 // RUN: %target-swift-emit-irgen %s -I %S/Inputs -cxx-interoperability-mode=default -Xcc -fignore-exceptions -disable-availability-checking | %FileCheck %s
-// XFAIL: OS=windows-msvc
 
 import ReferenceCounted
 
diff --git a/test/Interop/Cxx/foreign-reference/reference-counted.swift b/test/Interop/Cxx/foreign-reference/reference-counted.swift
index a9e63c07b5298..cc2df118235c9 100644
--- a/test/Interop/Cxx/foreign-reference/reference-counted.swift
+++ b/test/Interop/Cxx/foreign-reference/reference-counted.swift
@@ -2,7 +2,6 @@
 // RUN: %target-run-simple-swift(-I %S/Inputs/ -Xfrontend -enable-experimental-cxx-interop -Xfrontend -validate-tbd-against-ir=none -Xfrontend -disable-llvm-verify -Xfrontend -disable-availability-checking -O)
 //
 // REQUIRES: executable_test
-// XFAIL: OS=windows-msvc
 
 // Temporarily disable when running with an older runtime (rdar://128681137)
 // UNSUPPORTED: use_os_stdlib
diff --git a/test/Interop/Cxx/foreign-reference/witness-table.swift b/test/Interop/Cxx/foreign-reference/witness-table.swift
index 4b88184cfaf53..e72e5c323828b 100644
--- a/test/Interop/Cxx/foreign-reference/witness-table.swift
+++ b/test/Interop/Cxx/foreign-reference/witness-table.swift
@@ -1,7 +1,6 @@
 // RUN: %target-run-simple-swift(-I %S/Inputs/ -Xfrontend -enable-experimental-cxx-interop -Xfrontend -validate-tbd-against-ir=none -Xfrontend -disable-llvm-verify -g)
 //
 // REQUIRES: executable_test
-// XFAIL: OS=windows-msvc
 
 // Temporarily disable when running with an older runtime (rdar://128681577)
 // UNSUPPORTED: use_os_stdlib