diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
index 782ebb8ae13..2095c0f5297 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -32,8 +32,6 @@ Pod::Spec.new do |s|
   s.source = {
     :git => 'https://github.com/grpc/grpc.git',
     :tag => "v#{version}",
-    # TODO(jcanizales): Depend explicitly on the nanopb pod, and disable submodules.
-    :submodules => true,
   }
 
   s.ios.deployment_target = '7.0'
@@ -179,6 +177,7 @@ Pod::Spec.new do |s|
     ss.libraries = 'z'
     ss.dependency "#{s.name}/Interface", version
     ss.dependency 'BoringSSL', '~> 8.0'
+    ss.dependency 'nanopb', '~> 0.3'
 
     # To save you from scrolling, this is the last part of the podspec.
     ss.source_files = 'src/core/lib/profiling/timers.h',
@@ -428,10 +427,6 @@ Pod::Spec.new do |s|
                       'src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.h',
                       'src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.h',
                       'src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h',
-                      'third_party/nanopb/pb.h',
-                      'third_party/nanopb/pb_common.h',
-                      'third_party/nanopb/pb_decode.h',
-                      'third_party/nanopb/pb_encode.h',
                       'src/core/ext/filters/client_channel/resolver/fake/fake_resolver.h',
                       'src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_ev_driver.h',
                       'src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.h',
@@ -674,9 +669,6 @@ Pod::Spec.new do |s|
                       'src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.c',
                       'src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.c',
                       'src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c',
-                      'third_party/nanopb/pb_common.c',
-                      'third_party/nanopb/pb_decode.c',
-                      'third_party/nanopb/pb_encode.c',
                       'src/core/ext/filters/client_channel/resolver/fake/fake_resolver.c',
                       'src/core/ext/filters/client_channel/lb_policy/pick_first/pick_first.c',
                       'src/core/ext/filters/client_channel/lb_policy/round_robin/round_robin.c',
@@ -911,10 +903,6 @@ Pod::Spec.new do |s|
                               'src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.h',
                               'src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.h',
                               'src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h',
-                              'third_party/nanopb/pb.h',
-                              'third_party/nanopb/pb_common.h',
-                              'third_party/nanopb/pb_decode.h',
-                              'third_party/nanopb/pb_encode.h',
                               'src/core/ext/filters/client_channel/resolver/fake/fake_resolver.h',
                               'src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_ev_driver.h',
                               'src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.h',
diff --git a/templates/gRPC-Core.podspec.template b/templates/gRPC-Core.podspec.template
index e5e3a1801ec..538e1e64905 100644
--- a/templates/gRPC-Core.podspec.template
+++ b/templates/gRPC-Core.podspec.template
@@ -28,7 +28,7 @@
       if lib.name in ("grpc", "gpr"):
         out += lib.get('headers', [])
         out += lib.get('src', [])
-    return out;
+    return [f for f in out if not f.startswith("third_party/nanopb/")]
 
   def grpc_public_headers(libs):
     out = []
@@ -42,7 +42,7 @@
     for lib in libs:
       if lib.name in ("grpc", "gpr"):
         out += lib.get('headers', [])
-    return out
+    return [f for f in out if not f.startswith("third_party/nanopb/")]
 
   def ruby_multiline_list(files, indent):
     return (',\n' + indent*' ').join('\'%s\'' % f for f in files)
@@ -59,8 +59,6 @@
     s.source = {
       :git => 'https://github.com/grpc/grpc.git',
       :tag => "v#{version}",
-      # TODO(jcanizales): Depend explicitly on the nanopb pod, and disable submodules.
-      :submodules => true,
     }
 
     s.ios.deployment_target = '7.0'
@@ -138,6 +136,7 @@
       ss.libraries = 'z'
       ss.dependency "#{s.name}/Interface", version
       ss.dependency 'BoringSSL', '~> 8.0'
+      ss.dependency 'nanopb', '~> 0.3'
 
       # To save you from scrolling, this is the last part of the podspec.
       ss.source_files = ${ruby_multiline_list(grpc_private_files(libs), 22)}
diff --git a/test/cpp/end2end/client_lb_end2end_test.cc b/test/cpp/end2end/client_lb_end2end_test.cc
index f71e557450d..3f690988a7f 100644
--- a/test/cpp/end2end/client_lb_end2end_test.cc
+++ b/test/cpp/end2end/client_lb_end2end_test.cc
@@ -21,8 +21,6 @@
 #include <mutex>
 #include <thread>
 
-#include <gtest/gtest.h>
-
 #include <grpc++/channel.h>
 #include <grpc++/client_context.h>
 #include <grpc++/create_channel.h>
@@ -44,6 +42,8 @@ extern "C" {
 #include "test/core/util/test_config.h"
 #include "test/cpp/end2end/test_service_impl.h"
 
+#include <gtest/gtest.h>
+
 using grpc::testing::EchoRequest;
 using grpc::testing::EchoResponse;
 using std::chrono::system_clock;