diff --git a/google/cloud/pubsub/samples/pubsub_samples_common.cc b/google/cloud/pubsub/samples/pubsub_samples_common.cc
index 59b137f616f71..934c05ef20e92 100644
--- a/google/cloud/pubsub/samples/pubsub_samples_common.cc
+++ b/google/cloud/pubsub/samples/pubsub_samples_common.cc
@@ -13,6 +13,7 @@
 // limitations under the License.
 
 #include "google/cloud/pubsub/samples/pubsub_samples_common.h"
+#include "google/cloud/pubsub/schema.h"
 #include "google/cloud/pubsub/testing/random_names.h"
 #include "google/cloud/internal/getenv.h"
 #include "google/cloud/internal/time_utils.h"
@@ -74,49 +75,6 @@ google::cloud::testing_util::Commands::value_type CreateSubscriberCommand(
                                                            std::move(adapter)};
 }
 
-google::cloud::testing_util::Commands::value_type CreateTopicAdminCommand(
-    std::string const& name, std::vector<std::string> const& arg_names,
-    TopicAdminCommand const& command) {
-  auto adapter = [=](std::vector<std::string> const& argv) {
-    if ((argv.size() == 1 && argv[0] == "--help") ||
-        argv.size() != arg_names.size()) {
-      std::ostringstream os;
-      os << name;
-      for (auto const& a : arg_names) {
-        os << " <" << a << ">";
-      }
-      throw google::cloud::testing_util::Usage{std::move(os).str()};
-    }
-    google::cloud::pubsub::TopicAdminClient client(
-        google::cloud::pubsub::MakeTopicAdminConnection());
-    command(std::move(client), std::move(argv));
-  };
-  return google::cloud::testing_util::Commands::value_type{name,
-                                                           std::move(adapter)};
-}
-
-google::cloud::testing_util::Commands::value_type
-CreateSubscriptionAdminCommand(std::string const& name,
-                               std::vector<std::string> const& arg_names,
-                               SubscriptionAdminCommand const& command) {
-  auto adapter = [=](std::vector<std::string> const& argv) {
-    if ((argv.size() == 1 && argv[0] == "--help") ||
-        argv.size() != arg_names.size()) {
-      std::ostringstream os;
-      os << name;
-      for (auto const& a : arg_names) {
-        os << " <" << a << ">";
-      }
-      throw google::cloud::testing_util::Usage{std::move(os).str()};
-    }
-    google::cloud::pubsub::SubscriptionAdminClient client(
-        google::cloud::pubsub::MakeSubscriptionAdminConnection());
-    command(std::move(client), std::move(argv));
-  };
-  return google::cloud::testing_util::Commands::value_type{name,
-                                                           std::move(adapter)};
-}
-
 google::cloud::testing_util::Commands::value_type CreateSchemaServiceCommand(
     std::string const& name, std::vector<std::string> const& arg_names,
     SchemaServiceCommand const& command) {
diff --git a/google/cloud/pubsub/samples/pubsub_samples_common.h b/google/cloud/pubsub/samples/pubsub_samples_common.h
index 5fdfe22862b4d..1e18879d52da2 100644
--- a/google/cloud/pubsub/samples/pubsub_samples_common.h
+++ b/google/cloud/pubsub/samples/pubsub_samples_common.h
@@ -15,13 +15,9 @@
 #ifndef GOOGLE_CLOUD_CPP_GOOGLE_CLOUD_PUBSUB_SAMPLES_PUBSUB_SAMPLES_COMMON_H
 #define GOOGLE_CLOUD_CPP_GOOGLE_CLOUD_PUBSUB_SAMPLES_PUBSUB_SAMPLES_COMMON_H
 
-// TODO(#12987): Remove this file after the deprecation period expires
-#include "google/cloud/internal/disable_deprecation_warnings.inc"
 #include "google/cloud/pubsub/publisher.h"
 #include "google/cloud/pubsub/schema_client.h"
 #include "google/cloud/pubsub/subscriber.h"
-#include "google/cloud/pubsub/subscription_admin_client.h"
-#include "google/cloud/pubsub/topic_admin_client.h"
 #include "google/cloud/testing_util/example_driver.h"
 #include <string>
 #include <vector>
@@ -45,21 +41,6 @@ google::cloud::testing_util::Commands::value_type CreateSubscriberCommand(
     std::string const& name, std::vector<std::string> const& arg_names,
     SubscriberCommand const& command);
 
-using TopicAdminCommand = std::function<void(pubsub::TopicAdminClient,
-                                             std::vector<std::string> const&)>;
-
-google::cloud::testing_util::Commands::value_type CreateTopicAdminCommand(
-    std::string const& name, std::vector<std::string> const& arg_names,
-    TopicAdminCommand const& command);
-
-using SubscriptionAdminCommand = std::function<void(
-    pubsub::SubscriptionAdminClient, std::vector<std::string> const&)>;
-
-google::cloud::testing_util::Commands::value_type
-CreateSubscriptionAdminCommand(std::string const& name,
-                               std::vector<std::string> const& arg_names,
-                               SubscriptionAdminCommand const& command);
-
 using SchemaServiceCommand = std::function<void(
     pubsub::SchemaServiceClient, std::vector<std::string> const&)>;
 
diff --git a/google/cloud/pubsub/samples/pubsub_samples_common_test.cc b/google/cloud/pubsub/samples/pubsub_samples_common_test.cc
index 2ee02ce8f99f6..32ae8847008f4 100644
--- a/google/cloud/pubsub/samples/pubsub_samples_common_test.cc
+++ b/google/cloud/pubsub/samples/pubsub_samples_common_test.cc
@@ -88,68 +88,6 @@ TEST(PubSubSamplesCommon, SubscriberCommand) {
   EXPECT_EQ(1, call_count);
 }
 
-TEST(PubSubSamplesCommon, TopicAdminCommand) {
-  using ::google::cloud::testing_util::Usage;
-
-  // Pretend we are using the emulator to avoid loading the default
-  // credentials from $HOME, which do not exist when running with Bazel.
-  google::cloud::testing_util::ScopedEnvironment emulator(
-      "PUBSUB_EMULATOR_HOST", "localhost:8085");
-  int call_count = 0;
-  auto command = [&call_count](pubsub::TopicAdminClient const&,
-                               std::vector<std::string> const& argv) {
-    ++call_count;
-    ASSERT_EQ(2, argv.size());
-    EXPECT_EQ("a", argv[0]);
-    EXPECT_EQ("b", argv[1]);
-  };
-  auto const actual =
-      CreateTopicAdminCommand("command-name", {"foo", "bar"}, command);
-  EXPECT_EQ("command-name", actual.first);
-  EXPECT_THROW(
-      try { actual.second({}); } catch (Usage const& ex) {
-        EXPECT_THAT(ex.what(), HasSubstr("command-name"));
-        EXPECT_THAT(ex.what(), HasSubstr("foo"));
-        EXPECT_THAT(ex.what(), HasSubstr("bar"));
-        throw;
-      },
-      Usage);
-
-  ASSERT_NO_FATAL_FAILURE(actual.second({"a", "b"}));
-  EXPECT_EQ(1, call_count);
-}
-
-TEST(PubSubSamplesCommon, SubscriptionAdminCommand) {
-  using ::google::cloud::testing_util::Usage;
-
-  // Pretend we are using the emulator to avoid loading the default
-  // credentials from $HOME, which do not exist when running with Bazel.
-  google::cloud::testing_util::ScopedEnvironment emulator(
-      "PUBSUB_EMULATOR_HOST", "localhost:8085");
-  int call_count = 0;
-  auto command = [&call_count](pubsub::SubscriptionAdminClient const&,
-                               std::vector<std::string> const& argv) {
-    ++call_count;
-    ASSERT_EQ(2, argv.size());
-    EXPECT_EQ("a", argv[0]);
-    EXPECT_EQ("b", argv[1]);
-  };
-  auto const actual =
-      CreateSubscriptionAdminCommand("command-name", {"foo", "bar"}, command);
-  EXPECT_EQ("command-name", actual.first);
-  EXPECT_THROW(
-      try { actual.second({}); } catch (Usage const& ex) {
-        EXPECT_THAT(ex.what(), HasSubstr("command-name"));
-        EXPECT_THAT(ex.what(), HasSubstr("foo"));
-        EXPECT_THAT(ex.what(), HasSubstr("bar"));
-        throw;
-      },
-      Usage);
-
-  ASSERT_NO_FATAL_FAILURE(actual.second({"a", "b"}));
-  EXPECT_EQ(1, call_count);
-}
-
 TEST(PubSubSamplesCommon, SchemaServiceCommand) {
   using ::google::cloud::testing_util::Usage;
 
diff --git a/google/cloud/pubsub/samples/subscription_admin_samples.cc b/google/cloud/pubsub/samples/subscription_admin_samples.cc
index 95eada05afc33..46b9bb7ef2012 100644
--- a/google/cloud/pubsub/samples/subscription_admin_samples.cc
+++ b/google/cloud/pubsub/samples/subscription_admin_samples.cc
@@ -15,6 +15,8 @@
 #include "google/cloud/pubsub/admin/subscription_admin_client.h"
 #include "google/cloud/pubsub/admin/topic_admin_client.h"
 #include "google/cloud/pubsub/samples/pubsub_samples_common.h"
+#include "google/cloud/pubsub/schema.h"
+#include "google/cloud/pubsub/snapshot.h"
 #include "google/cloud/pubsub/subscription.h"
 #include "google/cloud/internal/getenv.h"
 #include "google/cloud/internal/random.h"
diff --git a/google/cloud/pubsub/samples/topic_admin_samples.cc b/google/cloud/pubsub/samples/topic_admin_samples.cc
index 24c07fa89b8e1..9e2a192487132 100644
--- a/google/cloud/pubsub/samples/topic_admin_samples.cc
+++ b/google/cloud/pubsub/samples/topic_admin_samples.cc
@@ -15,6 +15,7 @@
 #include "google/cloud/pubsub/admin/subscription_admin_client.h"
 #include "google/cloud/pubsub/admin/topic_admin_client.h"
 #include "google/cloud/pubsub/samples/pubsub_samples_common.h"
+#include "google/cloud/pubsub/schema.h"
 #include "google/cloud/pubsub/subscription.h"
 #include "google/cloud/pubsub/topic.h"
 #include "google/cloud/internal/getenv.h"