diff --git a/examples/example_compiler_gym_service/service_cc/ExampleService.cc b/examples/example_compiler_gym_service/service_cc/ExampleService.cc
index b6cef9c760..6ba724e040 100644
--- a/examples/example_compiler_gym_service/service_cc/ExampleService.cc
+++ b/examples/example_compiler_gym_service/service_cc/ExampleService.cc
@@ -27,8 +27,6 @@ template <typename T>
   return Status::OK;
 }
 
-}  // namespace
-
 std::vector<std::string> getBenchmarks() { return {"foo", "bar"}; }
 
 std::vector<ActionSpace> getActionSpaces() {
@@ -69,6 +67,8 @@ std::vector<ObservationSpace> getObservationSpaces() {
   return {ir, features, runtime};
 }
 
+}  // namespace
+
 ExampleService::ExampleService(const fs::path& workingDirectory)
     : workingDirectory_(workingDirectory), nextSessionId_(0) {}
 
diff --git a/examples/example_compiler_gym_service/service_cc/ExampleService.h b/examples/example_compiler_gym_service/service_cc/ExampleService.h
index 3f87cfabb6..ed0633b480 100644
--- a/examples/example_compiler_gym_service/service_cc/ExampleService.h
+++ b/examples/example_compiler_gym_service/service_cc/ExampleService.h
@@ -74,8 +74,4 @@ class ExampleCompilationSession {
   ActionSpace actionSpace_;
 };
 
-// Helper functions to describe the available action/observation/reward spaces.
-std::vector<ActionSpace> getActionSpaces();
-std::vector<ObservationSpace> getObservationSpaces();
-
 }  // namespace compiler_gym::example_service