diff --git a/libprocessgroup/cgrouprc/a_cgroup_controller.cpp b/libprocessgroup/cgrouprc/a_cgroup_controller.cpp
index 889b3be..5a326e5 100644
--- a/libprocessgroup/cgrouprc/a_cgroup_controller.cpp
+++ b/libprocessgroup/cgrouprc/a_cgroup_controller.cpp
@@ -32,11 +32,6 @@
     return controller->flags();
 }
 
-uint32_t ACgroupController_getMaxActivationDepth(const ACgroupController* controller) {
-    CHECK(controller != nullptr);
-    return controller->max_activation_depth();
-}
-
 const char* ACgroupController_getName(const ACgroupController* controller) {
     CHECK(controller != nullptr);
     return controller->name();
diff --git a/libprocessgroup/cgrouprc/include/android/cgrouprc.h b/libprocessgroup/cgrouprc/include/android/cgrouprc.h
index 3a57df5..e704a36 100644
--- a/libprocessgroup/cgrouprc/include/android/cgrouprc.h
+++ b/libprocessgroup/cgrouprc/include/android/cgrouprc.h
@@ -79,14 +79,6 @@
         const ACgroupController*) __INTRODUCED_IN(30);
 
 /**
- * Returns the maximum activation depth of the given controller.
- * Only applicable to cgroup v2 controllers.
- * Returns UINT32_MAX if no maximum activation depth is set.
- */
-__attribute__((warn_unused_result, weak)) uint32_t ACgroupController_getMaxActivationDepth(
-        const ACgroupController* controller) __INTRODUCED_IN(36);
-
-/**
  * Returns the name of the given controller.
  * If the given controller is null, return nullptr.
  */
diff --git a/libprocessgroup/cgrouprc/libcgrouprc.map.txt b/libprocessgroup/cgrouprc/libcgrouprc.map.txt
index 30bd25f..b62b10f 100644
--- a/libprocessgroup/cgrouprc/libcgrouprc.map.txt
+++ b/libprocessgroup/cgrouprc/libcgrouprc.map.txt
@@ -16,10 +16,3 @@
   local:
     *;
 };
-
-LIBCGROUPRC_36 { # introduced=36
-  global:
-    ACgroupController_getMaxActivationDepth; # llndk=202504 systemapi
-  local:
-    *;
-};