diff --git a/mobile/android/chrome/geckoview/geckoview.js b/mobile/android/chrome/geckoview/geckoview.js
index fe3e0b747791..22da8f5dc572 100644
--- a/mobile/android/chrome/geckoview/geckoview.js
+++ b/mobile/android/chrome/geckoview/geckoview.js
@@ -774,6 +774,13 @@ function startup() {
       SafeBrowsing.init();
     });
 
+    InitLater(() => {
+      // It's enough to run this once to set up FOG.
+      // (See also bug 1730026.)
+      const FOG = Cc["@mozilla.org/toolkit/glean;1"].createInstance(Ci.nsIFOG);
+      FOG.registerCustomPings();
+    });
+
     // This should always go last, since the idle tasks (except for the ones with
     // timeouts) should execute in order. Note that this observer notification is
     // not guaranteed to fire, since the window could close before we get here.
diff --git a/toolkit/components/glean/ipc/FOGIPC.cpp b/toolkit/components/glean/ipc/FOGIPC.cpp
index d046152ce3be..f76d62b20339 100644
--- a/toolkit/components/glean/ipc/FOGIPC.cpp
+++ b/toolkit/components/glean/ipc/FOGIPC.cpp
@@ -27,7 +27,6 @@ namespace glean {
  *                    serialized payload that the Rust impl hands you.
  */
 void FlushFOGData(std::function<void(ipc::ByteBuf&&)>&& aResolver) {
-#ifndef MOZ_GLEAN_ANDROID
   ByteBuf buf;
   uint32_t ipcBufferSize = impl::fog_serialize_ipc_buf();
   bool ok = buf.Allocate(ipcBufferSize);
@@ -39,7 +38,6 @@ void FlushFOGData(std::function<void(ipc::ByteBuf&&)>&& aResolver) {
     return;
   }
   aResolver(std::move(buf));
-#endif
 }
 
 /**
@@ -49,7 +47,6 @@ void FlushFOGData(std::function<void(ipc::ByteBuf&&)>&& aResolver) {
  */
 void FlushAllChildData(
     std::function<void(nsTArray<ipc::ByteBuf>&&)>&& aResolver) {
-#ifndef MOZ_GLEAN_ANDROID
   nsTArray<ContentParent*> parents;
   ContentParent::GetAll(parents);
   if (parents.Length() == 0) {
@@ -79,7 +76,6 @@ void FlushAllChildData(
                  aResolver(std::move(results));
                }
              });
-#endif
 }
 
 /**
@@ -87,10 +83,8 @@ void FlushAllChildData(
  * @param buf - a bincoded serialized payload that the Rust impl understands.
  */
 void FOGData(ipc::ByteBuf&& buf) {
-#ifndef MOZ_GLEAN_ANDROID
   fog_ipc::buffer_sizes.Accumulate(buf.mLen);
   impl::fog_use_ipc_buf(buf.mData, buf.mLen);
-#endif
 }
 
 /**
@@ -98,7 +92,6 @@ void FOGData(ipc::ByteBuf&& buf) {
  * @param buf - a bincoded serialized payload that the Rust impl understands.
  */
 void SendFOGData(ipc::ByteBuf&& buf) {
-#ifndef MOZ_GLEAN_ANDROID
   switch (XRE_GetProcessType()) {
     case GeckoProcessType_Content:
       mozilla::dom::ContentChild::GetSingleton()->SendFOGData(std::move(buf));
@@ -106,7 +99,6 @@ void SendFOGData(ipc::ByteBuf&& buf) {
     default:
       MOZ_ASSERT_UNREACHABLE("Unsuppored process type");
   }
-#endif
 }
 
 /**
diff --git a/toolkit/components/glean/src/lib.rs b/toolkit/components/glean/src/lib.rs
index 43e060d096a8..621d27c555a7 100644
--- a/toolkit/components/glean/src/lib.rs
+++ b/toolkit/components/glean/src/lib.rs
@@ -46,6 +46,11 @@ pub extern "C" fn fog_shutdown() {
     glean::shutdown();
 }
 
+#[no_mangle]
+pub extern "C" fn fog_register_pings() {
+    fog::pings::register_pings();
+}
+
 static mut PENDING_BUF: Vec<u8> = Vec::new();
 
 // IPC serialization/deserialization methods
diff --git a/toolkit/components/glean/xpcom/FOG.cpp b/toolkit/components/glean/xpcom/FOG.cpp
index ca529265a35c..762e17bed4a2 100644
--- a/toolkit/components/glean/xpcom/FOG.cpp
+++ b/toolkit/components/glean/xpcom/FOG.cpp
@@ -28,6 +28,9 @@ using glean::LogToBrowserConsole;
 // Defined by `glean_ffi`. We reexport it here for later use.
 extern "C" NS_EXPORT void glean_enable_logging(void);
 
+// Defined by `glean`. We reexport it here for use by the Glean Core SDK.
+extern "C" NS_EXPORT void rlb_flush_dispatcher(void);
+
 // Workaround to force a re-export of the `no_mangle` symbols from `glean_ffi`
 //
 // Due to how linking works and hides symbols the symbols from `glean_ffi` might
@@ -80,20 +83,18 @@ already_AddRefed<FOG> FOG::GetSingleton() {
   return do_AddRef(gFOG);
 }
 
-void FOG::Shutdown() {
-#ifndef MOZ_GLEAN_ANDROID
-  glean::impl::fog_shutdown();
-#endif
-}
+void FOG::Shutdown() { glean::impl::fog_shutdown(); }
 
 NS_IMETHODIMP
 FOG::InitializeFOG(const nsACString& aDataPathOverride,
                    const nsACString& aAppIdOverride) {
-#ifdef MOZ_GLEAN_ANDROID
-  return NS_OK;
-#else
   return glean::impl::fog_init(&aDataPathOverride, &aAppIdOverride);
-#endif
+}
+
+NS_IMETHODIMP
+FOG::RegisterCustomPings() {
+  glean::impl::fog_register_pings();
+  return NS_OK;
 }
 
 NS_IMETHODIMP
diff --git a/toolkit/components/glean/xpcom/nsIFOG.idl b/toolkit/components/glean/xpcom/nsIFOG.idl
index 7811b98fb4fb..4637cce9bbf9 100644
--- a/toolkit/components/glean/xpcom/nsIFOG.idl
+++ b/toolkit/components/glean/xpcom/nsIFOG.idl
@@ -22,6 +22,13 @@ interface nsIFOG : nsISupports
    */
   void initializeFOG([optional] in AUTF8String aDataPathOverride, [optional] in AUTF8String aAppIdOverride);
 
+  /**
+   * Register custom pings.
+   *
+   * Ensure all custom pings are registered with Glean.
+   */
+  void registerCustomPings();
+
   /**
    * Enable or Disable the logging of pings in the Glean SDK.
    * See https://firefox-source-docs.mozilla.org/toolkit/components/glean/testing.html