diff --git a/xplat/Flipper/FlipperConnectionManagerImpl.cpp b/xplat/Flipper/FlipperConnectionManagerImpl.cpp
index 4ca0f3202..3ae4ff753 100644
--- a/xplat/Flipper/FlipperConnectionManagerImpl.cpp
+++ b/xplat/Flipper/FlipperConnectionManagerImpl.cpp
@@ -413,16 +413,12 @@ void FlipperConnectionManagerImpl::requestSignedCertFromFlipper() {
             return;
           certificateExchangeCompleted_ = true;
           if (isError) {
-            if (response.compare("not implemented")) {
-              auto error =
-                  "Desktop failed to provide certificates. Error from flipper desktop:\n" +
-                  response;
-              log(error);
-              gettingCert->fail(error);
-              client_ = nullptr;
-            } else {
-              sendLegacyCertificateRequest(message);
-            }
+            auto error =
+                "Desktop failed to provide certificates. Error from flipper desktop:\n" +
+                response;
+            log(error);
+            gettingCert->fail(error);
+            client_ = nullptr;
             return;
           }
           if (!response.empty()) {
@@ -468,21 +464,6 @@ void FlipperConnectionManagerImpl::requestSignedCertFromFlipper() {
   failedConnectionAttempts_ = 0;
 }
 
-void FlipperConnectionManagerImpl::sendLegacyCertificateRequest(
-    folly::dynamic message) {
-  // Desktop is using an old version of Flipper.
-  // Fall back to fireAndForget, instead of requestResponse.
-  auto sendingRequest =
-      flipperState_->start("Sending fallback certificate request");
-
-  client_->send(message, [this, sendingRequest]() {
-    sendingRequest->complete();
-    folly::dynamic config = folly::dynamic::object();
-    contextStore_->storeConnectionConfig(config);
-    client_ = nullptr;
-  });
-}
-
 /**
     Check for the maximum number of failed socket connection attempts.
     If exceeded, then swap the default socket provider. If the maximum
diff --git a/xplat/Flipper/FlipperConnectionManagerImpl.h b/xplat/Flipper/FlipperConnectionManagerImpl.h
index 1bd38ee16..1bad5cac0 100644
--- a/xplat/Flipper/FlipperConnectionManagerImpl.h
+++ b/xplat/Flipper/FlipperConnectionManagerImpl.h
@@ -86,7 +86,6 @@ class FlipperConnectionManagerImpl : public FlipperConnectionManager {
   bool isCertificateExchangeNeeded();
   void requestSignedCertFromFlipper();
   bool isRunningInOwnThread();
-  void sendLegacyCertificateRequest(folly::dynamic message);
   void reevaluateSocketProvider();
   std::string getDeviceId();
 };