diff --git a/ci/etc/expected_install_directories b/ci/etc/expected_install_directories
index a7f2a2b3b6c83..eeadaf1e80847 100644
--- a/ci/etc/expected_install_directories
+++ b/ci/etc/expected_install_directories
@@ -1228,6 +1228,7 @@
 ./lib64/cmake/google_cloud_cpp_bigquery
 ./lib64/cmake/google_cloud_cpp_bigquery_mocks
 ./lib64/cmake/google_cloud_cpp_bigtable
+./lib64/cmake/google_cloud_cpp_bigtable_mocks
 ./lib64/cmake/google_cloud_cpp_billing
 ./lib64/cmake/google_cloud_cpp_billing_mocks
 ./lib64/cmake/google_cloud_cpp_binaryauthorization
diff --git a/ci/verify_current_targets/CMakeLists.txt b/ci/verify_current_targets/CMakeLists.txt
index a3adb341f91b2..c1ec5884592a7 100644
--- a/ci/verify_current_targets/CMakeLists.txt
+++ b/ci/verify_current_targets/CMakeLists.txt
@@ -26,6 +26,7 @@ set(ga_libraries
     # cmake-format: sort
     bigquery
     bigtable
+    bigtable_mocks
     iam
     iam_mocks
     logging
diff --git a/generator/standalone_main.cc b/generator/standalone_main.cc
index cde111d1f4d37..a3b6749e4c279 100644
--- a/generator/standalone_main.cc
+++ b/generator/standalone_main.cc
@@ -20,7 +20,6 @@
 #include "generator/internal/scaffold_generator.h"
 #include "google/cloud/internal/absl_str_cat_quiet.h"
 #include "google/cloud/internal/absl_str_join_quiet.h"
-#include "google/cloud/internal/algorithm.h"
 #include "google/cloud/log.h"
 #include "google/cloud/status_or.h"
 #include "absl/flags/flag.h"
@@ -167,13 +166,10 @@ int WriteInstallDirectories(
     }
     auto const lib = LibraryName(product_path);
     install_directories.push_back("./lib64/cmake/google_cloud_cpp_" + lib);
-    // TODO(#5782) - install mocks in libs with handwritten CMakeLists.txt
-    auto const handwritten_cmake = std::set<std::string>{{
-        "bigtable",
-        "compute",
-        "storage",
-    }};
-    if (!google::cloud::internal::Contains(handwritten_cmake, lib)) {
+    // Note that storage does not have a public-facing mocks library. Only
+    // GCS+gRPC does.
+    // TODO(#5782) - install mocks for compute
+    if (lib != "compute" && lib != "storage") {
       install_directories.push_back("./lib64/cmake/google_cloud_cpp_" + lib +
                                     "_mocks");
     }
diff --git a/google/cloud/bigtable/CMakeLists.txt b/google/cloud/bigtable/CMakeLists.txt
index c0155804b4cbd..94edc6f986cd1 100644
--- a/google/cloud/bigtable/CMakeLists.txt
+++ b/google/cloud/bigtable/CMakeLists.txt
@@ -512,8 +512,6 @@ install(
 
 google_cloud_cpp_install_headers("google_cloud_cpp_bigtable"
                                  "include/google/cloud/bigtable")
-google_cloud_cpp_install_headers("google_cloud_cpp_bigtable_mocks"
-                                 "include/google/cloud/bigtable")
 
 google_cloud_cpp_add_pkgconfig(
     bigtable
@@ -537,3 +535,5 @@ install(
         "${CMAKE_CURRENT_BINARY_DIR}/google_cloud_cpp_bigtable-config-version.cmake"
     DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/google_cloud_cpp_bigtable"
     COMPONENT google_cloud_cpp_development)
+
+google_cloud_cpp_install_mocks(bigtable "Google Cloud Bigtable")