diff --git a/eden/fs/inodes/EdenMount.cpp b/eden/fs/inodes/EdenMount.cpp
index bba6199ac1..8daae968e6 100644
--- a/eden/fs/inodes/EdenMount.cpp
+++ b/eden/fs/inodes/EdenMount.cpp
@@ -141,7 +141,7 @@ constexpr PathComponentPiece kNfsdSocketName{"nfsd.socket"_pc};
 class EdenMount::JournalDiffCallback : public DiffCallback {
  public:
   explicit JournalDiffCallback()
-      : data_{folly::in_place, std::unordered_set<RelativePath>()} {}
+      : data_{std::in_place, std::unordered_set<RelativePath>()} {}
 
   void ignoredPath(RelativePathPiece, dtype_t) override {}
 
diff --git a/eden/fs/inodes/FileInode.cpp b/eden/fs/inodes/FileInode.cpp
index d7b000f234..ea15c797a5 100644
--- a/eden/fs/inodes/FileInode.cpp
+++ b/eden/fs/inodes/FileInode.cpp
@@ -581,7 +581,7 @@ FileInode::FileInode(
     const std::optional<InodeTimestamps>& initialTimestamps,
     const ObjectId* hash)
     : Base(ino, initialMode, initialTimestamps, std::move(parentInode), name),
-      state_(folly::in_place, hash) {}
+      state_(std::in_place, hash) {}
 
 // The FileInode is in MATERIALIZED_IN_OVERLAY state.
 FileInode::FileInode(
@@ -591,7 +591,7 @@ FileInode::FileInode(
     mode_t initialMode,
     const InodeTimestamps& initialTimestamps)
     : Base(ino, initialMode, initialTimestamps, std::move(parentInode), name),
-      state_(folly::in_place) {}
+      state_(std::in_place) {}
 
 ImmediateFuture<struct stat> FileInode::setattr(
     const DesiredMetadata& desired,
diff --git a/eden/fs/inodes/InodeTable.h b/eden/fs/inodes/InodeTable.h
index b564a51ba2..dcea5f8884 100644
--- a/eden/fs/inodes/InodeTable.h
+++ b/eden/fs/inodes/InodeTable.h
@@ -246,7 +246,7 @@ class InodeTable {
 
  private:
   explicit InodeTable(MappedDiskVector<Entry>&& storage, EdenStatsPtr stats)
-      : state_{folly::in_place, std::move(storage)}, stats_{std::move(stats)} {}
+      : state_{std::in_place, std::move(storage)}, stats_{std::move(stats)} {}
 
   /**
    * Helper function that, in the common case that this inode number
diff --git a/eden/fs/inodes/OverlayFileAccess.cpp b/eden/fs/inodes/OverlayFileAccess.cpp
index 1bac7a4aa2..c2f443670f 100644
--- a/eden/fs/inodes/OverlayFileAccess.cpp
+++ b/eden/fs/inodes/OverlayFileAccess.cpp
@@ -71,7 +71,7 @@ OverlayFileAccess::State::State(size_t cacheSize) : entries{cacheSize} {
 }
 
 OverlayFileAccess::OverlayFileAccess(Overlay* overlay, size_t cacheSize)
-    : overlay_{overlay}, state_{folly::in_place, cacheSize} {}
+    : overlay_{overlay}, state_{std::in_place, cacheSize} {}
 
 OverlayFileAccess::~OverlayFileAccess() = default;
 
diff --git a/eden/fs/inodes/OverlayFileAccess.h b/eden/fs/inodes/OverlayFileAccess.h
index b0d7abe0ad..cb9dedcb3b 100644
--- a/eden/fs/inodes/OverlayFileAccess.h
+++ b/eden/fs/inodes/OverlayFileAccess.h
@@ -143,7 +143,7 @@ class OverlayFileAccess {
         std::optional<size_t> s,
         const std::optional<Hash20>& sha1,
         const std::optional<Hash32>& blake3 = std::nullopt)
-        : file{std::move(f)}, info{folly::in_place, s, sha1, blake3} {}
+        : file{std::move(f)}, info{std::in_place, s, sha1, blake3} {}
 
     struct Info {
       Info(
diff --git a/eden/fs/inodes/TreeInode.cpp b/eden/fs/inodes/TreeInode.cpp
index cbdd8629a7..8e9173dcf1 100644
--- a/eden/fs/inodes/TreeInode.cpp
+++ b/eden/fs/inodes/TreeInode.cpp
@@ -170,7 +170,7 @@ TreeInode::TreeInode(
     DirContents&& dir,
     std::optional<ObjectId> treeHash)
     : Base(ino, initialMode, initialTimestamps, parent, name),
-      contents_(folly::in_place, std::move(dir), std::move(treeHash)) {
+      contents_(std::in_place, std::move(dir), std::move(treeHash)) {
   XDCHECK_NE(ino, kRootNodeId);
 }
 
@@ -184,7 +184,7 @@ TreeInode::TreeInode(
     EdenMount* mount,
     DirContents&& dir,
     std::optional<ObjectId> treeHash)
-    : Base(mount), contents_(folly::in_place, std::move(dir), treeHash) {}
+    : Base(mount), contents_(std::in_place, std::move(dir), treeHash) {}
 
 TreeInode::~TreeInode() = default;
 
diff --git a/eden/fs/store/ObjectStore.cpp b/eden/fs/store/ObjectStore.cpp
index 6383ef8357..5fb0f1038a 100644
--- a/eden/fs/store/ObjectStore.cpp
+++ b/eden/fs/store/ObjectStore.cpp
@@ -69,7 +69,7 @@ ObjectStore::ObjectStore(
     std::shared_ptr<const EdenConfig> edenConfig,
     bool windowsSymlinksEnabled,
     CaseSensitivity caseSensitive)
-    : metadataCache_{folly::in_place, edenConfig->metadataCacheSize.getValue()},
+    : metadataCache_{std::in_place, edenConfig->metadataCacheSize.getValue()},
       treeCache_{std::move(treeCache)},
       backingStore_{std::move(backingStore)},
       stats_{std::move(stats)},
diff --git a/eden/fs/telemetry/ActivityBuffer.h b/eden/fs/telemetry/ActivityBuffer.h
index 457aa7d9f0..f1781dfe26 100644
--- a/eden/fs/telemetry/ActivityBuffer.h
+++ b/eden/fs/telemetry/ActivityBuffer.h
@@ -55,7 +55,7 @@ class ActivityBuffer {
 
 template <typename TraceEvent>
 ActivityBuffer<TraceEvent>::ActivityBuffer(size_t maxEvents)
-    : events_{folly::in_place, maxEvents} {}
+    : events_{std::in_place, maxEvents} {}
 
 template <typename TraceEvent>
 template <typename T>
diff --git a/eden/fs/utils/ProcessAccessLog.cpp b/eden/fs/utils/ProcessAccessLog.cpp
index 7cbd7a1278..e1d050469e 100644
--- a/eden/fs/utils/ProcessAccessLog.cpp
+++ b/eden/fs/utils/ProcessAccessLog.cpp
@@ -18,7 +18,7 @@ namespace facebook::eden {
 
 struct ThreadLocalBucket {
   explicit ThreadLocalBucket(ProcessAccessLog* processAccessLog)
-      : state_{folly::in_place, processAccessLog} {}
+      : state_{std::in_place, processAccessLog} {}
 
   ~ThreadLocalBucket() {
     // This thread is going away, so merge our data into the parent.