diff --git a/clang-tools-extra/clangd/support/Markup.cpp b/clang-tools-extra/clangd/support/Markup.cpp
index 7f6eb31bcdd332..4d17a2bf2b2b86 100644
--- a/clang-tools-extra/clangd/support/Markup.cpp
+++ b/clang-tools-extra/clangd/support/Markup.cpp
@@ -393,6 +393,9 @@ void Paragraph::renderPlainText(llvm::raw_ostream &OS) const {
   OS << '\n';
 }
 
+BulletList::BulletList() = default;
+BulletList::~BulletList() = default;
+
 void BulletList::renderMarkdown(llvm::raw_ostream &OS) const {
   for (auto &D : Items) {
     // Instead of doing this we might prefer passing Indent to children to get
diff --git a/clang-tools-extra/clangd/support/Markup.h b/clang-tools-extra/clangd/support/Markup.h
index 560071031e66a5..3a869c49a2cbba 100644
--- a/clang-tools-extra/clangd/support/Markup.h
+++ b/clang-tools-extra/clangd/support/Markup.h
@@ -79,6 +79,9 @@ class Paragraph : public Block {
 /// list like format, e.g. by prepending with "- " and indentation.
 class BulletList : public Block {
 public:
+  BulletList();
+  ~BulletList();
+
   void renderMarkdown(llvm::raw_ostream &OS) const override;
   void renderPlainText(llvm::raw_ostream &OS) const override;
   std::unique_ptr<Block> clone() const override;