diff --git a/src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.cc b/src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.cc
index a187edda077..6e35f067886 100644
--- a/src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.cc
+++ b/src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.cc
@@ -1531,7 +1531,7 @@ void GrpcLb::ShutdownLocked() {
       GPR_ASSERT(child_channelz_node != nullptr);
       parent_channelz_node_->RemoveChildChannel(child_channelz_node->uuid());
     }
-    grpc_channel_destroy(lb_channel_);
+    grpc_channel_destroy_internal(lb_channel_);
     lb_channel_ = nullptr;
   }
 }
diff --git a/src/core/ext/filters/client_channel/lb_policy/rls/rls.cc b/src/core/ext/filters/client_channel/lb_policy/rls/rls.cc
index d72e456c0e5..687a7d8fc5c 100644
--- a/src/core/ext/filters/client_channel/lb_policy/rls/rls.cc
+++ b/src/core/ext/filters/client_channel/lb_policy/rls/rls.cc
@@ -1631,7 +1631,7 @@ void RlsLb::RlsChannel::Orphan() {
       client_channel->RemoveConnectivityWatcher(watcher_);
       watcher_ = nullptr;
     }
-    grpc_channel_destroy(channel_);
+    grpc_channel_destroy_internal(channel_);
   }
   Unref(DEBUG_LOCATION, "Orphan");
 }
diff --git a/src/core/ext/xds/xds_transport_grpc.cc b/src/core/ext/xds/xds_transport_grpc.cc
index 6f721653d8b..c16cf2119a6 100644
--- a/src/core/ext/xds/xds_transport_grpc.cc
+++ b/src/core/ext/xds/xds_transport_grpc.cc
@@ -291,7 +291,7 @@ GrpcXdsTransportFactory::GrpcXdsTransport::GrpcXdsTransport(
 }
 
 GrpcXdsTransportFactory::GrpcXdsTransport::~GrpcXdsTransport() {
-  grpc_channel_destroy(channel_);
+  grpc_channel_destroy_internal(channel_);
 }
 
 void GrpcXdsTransportFactory::GrpcXdsTransport::Orphan() {
diff --git a/tools/run_tests/sanity/core_banned_functions.py b/tools/run_tests/sanity/core_banned_functions.py
index 1b6ead3aaa9..9d2bf283927 100755
--- a/tools/run_tests/sanity/core_banned_functions.py
+++ b/tools/run_tests/sanity/core_banned_functions.py
@@ -47,6 +47,10 @@ BANNED_EXCEPT = {
         'src/core/lib/slice/slice.cc', 'src/core/lib/slice/slice.h'
     ],
     'grpc_call_cancel(': ['src/core/lib/surface/call.cc'],
+    'grpc_channel_destroy(': [
+        'src/core/lib/surface/channel.cc',
+        'src/core/tsi/alts/handshaker/alts_shared_resource.cc',
+    ],
     'grpc_closure_create(': [
         'src/core/lib/iomgr/closure.cc', 'src/core/lib/iomgr/closure.h'
     ],