diff --git a/include/swift/AST/PrintOptions.h b/include/swift/AST/PrintOptions.h
index 1da42a4c944..87b1b408927 100644
--- a/include/swift/AST/PrintOptions.h
+++ b/include/swift/AST/PrintOptions.h
@@ -67,6 +67,9 @@ struct PrintOptions {
   /// \brief Whether to print implicit parts of the AST.
   bool SkipImplicit = false;
 
+  /// \brief Whether to print unavailable parts of the AST.
+  bool SkipUnavailable = false;
+
   bool PrintImplicitAttrs = true;
 
   /// \brief Whether to print documentation comments attached to declarations.
diff --git a/lib/AST/ASTPrinter.cpp b/lib/AST/ASTPrinter.cpp
index d3fc23a414e..b00499c9c28 100644
--- a/lib/AST/ASTPrinter.cpp
+++ b/lib/AST/ASTPrinter.cpp
@@ -553,6 +553,9 @@ void PrintAST::printMembers(ArrayRef<Decl *> members, bool needComma) {
       if (Options.SkipImplicit && member->isImplicit())
         continue;
 
+      if (Options.SkipUnavailable && member->getAttrs().isUnavailable())
+        continue;
+
       indent();
       visit(member);
       if (needComma && member != members.back())
diff --git a/lib/IDE/ModuleInterfacePrinting.cpp b/lib/IDE/ModuleInterfacePrinting.cpp
index 64ca9ba016d..6a929444619 100644
--- a/lib/IDE/ModuleInterfacePrinting.cpp
+++ b/lib/IDE/ModuleInterfacePrinting.cpp
@@ -131,6 +131,10 @@ void swift::ide::printSubmoduleInterface(
   // Separate the declarations that we are going to print into different
   // buckets.
   for (Decl *D : Decls) {
+    // If requested, skip unavailable declarations.
+    if (Options.SkipUnavailable && D->getAttrs().isUnavailable())
+      continue;
+
     if (auto ID = dyn_cast<ImportDecl>(D)) {
       ImportDecls.push_back(ID);
       continue;
@@ -145,8 +149,9 @@ void swift::ide::printSubmoduleInterface(
 
       auto *OwningModule = Importer.getClangOwningModule(CN);
       auto I = ClangDecls.find(OwningModule);
-      if (I != ClangDecls.end())
+      if (I != ClangDecls.end()) {
         I->second.push_back({ D, Loc });
+      }
       continue;
     }
     SwiftDecls.push_back(D);