diff --git a/tools/run_tests/performance/scenario_config.py b/tools/run_tests/performance/scenario_config.py
index c41093a97e7c50b6e0cd9174f20f8ceb652abb6a..9cf488d04bed4052dfadb005896ef6c0fc298c15 100644
--- a/tools/run_tests/performance/scenario_config.py
+++ b/tools/run_tests/performance/scenario_config.py
@@ -201,34 +201,6 @@ class CXXLanguage:
           'warmup_seconds': WARMUP_SECONDS,
           'benchmark_seconds': BENCHMARK_SECONDS
       }
-      yield {
-          'name': 'cpp_single_channel_throughput_%s'
-                  % secstr,
-          'num_servers': 1,
-          'num_clients': 1,
-          'client_config': {
-            'client_type': 'ASYNC_CLIENT',
-            'security_params': secargs,
-            'outstanding_rpcs_per_channel': DEEP,
-            'client_channels': 1,
-            'async_client_threads': 0,
-            'rpc_type': 'STREAMING',
-            'load_params': {
-              'closed_loop': {}
-            },
-            'payload_config': BIG_GENERIC_PAYLOAD,
-            'histogram_params': HISTOGRAM_PARAMS,
-          },
-          'server_config': {
-            'server_type': 'ASYNC_GENERIC_SERVER',
-            'security_params': secargs,
-            'core_limit': SINGLE_MACHINE_CORES/2,
-            'async_server_threads': 0,
-            'payload_config': BIG_GENERIC_PAYLOAD,
-          },
-          'warmup_seconds': WARMUP_SECONDS,
-          'benchmark_seconds': BENCHMARK_SECONDS
-      }
       yield {
           'name': 'cpp_protobuf_async_streaming_ping_pong_%s'
                   % secstr,
diff --git a/tools/run_tests/tests.json b/tools/run_tests/tests.json
index cbac102d6a459231895d553683c265e5e839377f..0610f35cccf0bb6e5cb910a1a783c92854b589a4 100644
--- a/tools/run_tests/tests.json
+++ b/tools/run_tests/tests.json
@@ -22996,32 +22996,6 @@
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_qps_unconstrained_secure"
   }, 
-  {
-    "args": [
-      "--scenario_json", 
-      "'{\"name\": \"cpp_single_channel_throughput_secure\", \"warmup_seconds\": 5, \"benchmark_seconds\": 30, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 4, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 65536, \"req_size\": 65536}}, \"server_type\": \"ASYNC_GENERIC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 65536, \"req_size\": 65536}}, \"client_channels\": 1, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 1}'"
-    ], 
-    "boringssl": true, 
-    "ci_platforms": [
-      "linux", 
-      "mac", 
-      "posix", 
-      "windows"
-    ], 
-    "cpu_cost": 1000.0, 
-    "defaults": "boringssl", 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c++", 
-    "name": "json_run_localhost", 
-    "platforms": [
-      "linux", 
-      "mac", 
-      "posix", 
-      "windows"
-    ], 
-    "shortname": "json_run_localhost:cpp_single_channel_throughput_secure"
-  }, 
   {
     "args": [
       "--scenario_json", 
@@ -23204,32 +23178,6 @@
     ], 
     "shortname": "json_run_localhost:cpp_protobuf_async_streaming_qps_unconstrained_insecure"
   }, 
-  {
-    "args": [
-      "--scenario_json", 
-      "'{\"name\": \"cpp_single_channel_throughput_insecure\", \"warmup_seconds\": 5, \"benchmark_seconds\": 30, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 4, \"security_params\": null, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 65536, \"req_size\": 65536}}, \"server_type\": \"ASYNC_GENERIC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": null, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 65536, \"req_size\": 65536}}, \"client_channels\": 1, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 1}'"
-    ], 
-    "boringssl": true, 
-    "ci_platforms": [
-      "linux", 
-      "mac", 
-      "posix", 
-      "windows"
-    ], 
-    "cpu_cost": 1000.0, 
-    "defaults": "boringssl", 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c++", 
-    "name": "json_run_localhost", 
-    "platforms": [
-      "linux", 
-      "mac", 
-      "posix", 
-      "windows"
-    ], 
-    "shortname": "json_run_localhost:cpp_single_channel_throughput_insecure"
-  }, 
   {
     "args": [
       "--scenario_json",