diff --git a/src/core/lib/security/credentials/credentials.cc b/src/core/lib/security/credentials/credentials.cc
index 2a1a5546bcf..f2ec9b7f2f2 100644
--- a/src/core/lib/security/credentials/credentials.cc
+++ b/src/core/lib/security/credentials/credentials.cc
@@ -64,6 +64,18 @@ void grpc_control_plane_credentials_init() {
   gpr_once_init(&once_init_control_plane_creds, do_control_plane_creds_init);
 }
 
+void grpc_test_only_control_plane_credentials_destroy() {
+  grpc_core::Delete(g_grpc_control_plane_creds);
+  g_grpc_control_plane_creds = nullptr;
+  gpr_mu_destroy(&g_control_plane_creds_mu);
+}
+
+void grpc_test_only_control_plane_credentials_force_init() {
+  if (g_grpc_control_plane_creds == nullptr) {
+    do_control_plane_creds_init();
+  }
+}
+
 bool grpc_channel_credentials_attach_credentials(
     grpc_channel_credentials* credentials, const char* authority,
     grpc_channel_credentials* control_plane_creds) {
diff --git a/src/core/lib/security/credentials/credentials.h b/src/core/lib/security/credentials/credentials.h
index 0d95f8f4caa..f3fbe881598 100644
--- a/src/core/lib/security/credentials/credentials.h
+++ b/src/core/lib/security/credentials/credentials.h
@@ -193,6 +193,19 @@ bool grpc_control_plane_credentials_register(
 /* Initializes global control plane credentials data. */
 void grpc_control_plane_credentials_init();
 
+/* Test only: destroy global control plane credentials data.
+ * This API is meant for use by a few tests that need to
+ * satisdy grpc_core::LeakDetector. */
+void grpc_test_only_control_plane_credentials_destroy();
+
+/* Test only: force re-initialization of global control
+ * plane credentials data if it was previously destroyed.
+ * This API is meant to be used in
+ * tandem with the
+ * grpc_test_only_control_plane_credentials_destroy, for
+ * the few tests that need it. */
+void grpc_test_only_control_plane_credentials_force_init();
+
 /* --- grpc_credentials_mdelem_array. --- */
 
 typedef struct {
diff --git a/test/core/end2end/fuzzers/client_fuzzer.cc b/test/core/end2end/fuzzers/client_fuzzer.cc
index 55e6ce695ad..8ff8c1a5474 100644
--- a/test/core/end2end/fuzzers/client_fuzzer.cc
+++ b/test/core/end2end/fuzzers/client_fuzzer.cc
@@ -24,6 +24,7 @@
 
 #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
 #include "src/core/lib/iomgr/executor.h"
+#include "src/core/lib/security/credentials/credentials.h"
 #include "src/core/lib/slice/slice_internal.h"
 #include "src/core/lib/surface/channel.h"
 #include "test/core/util/memory_counters.h"
@@ -43,6 +44,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
   if (squelch) gpr_set_log_function(dont_log);
   grpc_core::testing::LeakDetector leak_detector(leak_check);
   grpc_init();
+  grpc_test_only_control_plane_credentials_force_init();
   {
     grpc_core::ExecCtx exec_ctx;
     grpc_core::Executor::SetThreadingAll(false);
@@ -158,6 +160,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
       grpc_byte_buffer_destroy(response_payload_recv);
     }
   }
+  grpc_test_only_control_plane_credentials_destroy();
   grpc_shutdown_blocking();
   return 0;
 }
diff --git a/test/core/end2end/fuzzers/server_fuzzer.cc b/test/core/end2end/fuzzers/server_fuzzer.cc
index f010066ea27..130b58f6292 100644
--- a/test/core/end2end/fuzzers/server_fuzzer.cc
+++ b/test/core/end2end/fuzzers/server_fuzzer.cc
@@ -20,6 +20,7 @@
 
 #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
 #include "src/core/lib/iomgr/executor.h"
+#include "src/core/lib/security/credentials/credentials.h"
 #include "src/core/lib/slice/slice_internal.h"
 #include "src/core/lib/surface/server.h"
 #include "test/core/util/memory_counters.h"
@@ -40,6 +41,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
   if (squelch) gpr_set_log_function(dont_log);
   grpc_core::testing::LeakDetector leak_detector(leak_check);
   grpc_init();
+  grpc_test_only_control_plane_credentials_force_init();
   {
     grpc_core::ExecCtx exec_ctx;
     grpc_core::Executor::SetThreadingAll(false);
@@ -134,6 +136,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
     grpc_server_destroy(server);
     grpc_completion_queue_destroy(cq);
   }
+  grpc_test_only_control_plane_credentials_destroy();
   grpc_shutdown();
   return 0;
 }
diff --git a/test/core/security/alts_credentials_fuzzer.cc b/test/core/security/alts_credentials_fuzzer.cc
index abe50031687..3dc0146f000 100644
--- a/test/core/security/alts_credentials_fuzzer.cc
+++ b/test/core/security/alts_credentials_fuzzer.cc
@@ -30,6 +30,7 @@
 #include "src/core/lib/security/credentials/alts/alts_credentials.h"
 #include "src/core/lib/security/credentials/alts/check_gcp_environment.h"
 #include "src/core/lib/security/credentials/alts/grpc_alts_credentials_options.h"
+#include "src/core/lib/security/credentials/credentials.h"
 
 using grpc_core::testing::grpc_fuzzer_get_next_byte;
 using grpc_core::testing::grpc_fuzzer_get_next_string;
@@ -69,6 +70,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
   grpc_core::testing::LeakDetector leak_detector(leak_check);
   input_stream inp = {data, data + size};
   grpc_init();
+  grpc_test_only_control_plane_credentials_force_init();
   bool is_on_gcp = grpc_alts_is_running_on_gcp();
   while (inp.cur != inp.end) {
     bool enable_untrusted_alts = grpc_fuzzer_get_next_byte(&inp) & 0x01;
@@ -107,6 +109,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
     }
     gpr_free(handshaker_service_url);
   }
+  grpc_test_only_control_plane_credentials_destroy();
   grpc_shutdown();
   return 0;
 }
diff --git a/test/core/slice/percent_decode_fuzzer.cc b/test/core/slice/percent_decode_fuzzer.cc
index da8e03a4662..bf4ae00be77 100644
--- a/test/core/slice/percent_decode_fuzzer.cc
+++ b/test/core/slice/percent_decode_fuzzer.cc
@@ -24,6 +24,7 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 
+#include "src/core/lib/security/credentials/credentials.h"
 #include "src/core/lib/slice/percent_encoding.h"
 #include "test/core/util/memory_counters.h"
 
@@ -33,6 +34,7 @@ bool leak_check = true;
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
   grpc_core::testing::LeakDetector leak_detector(true);
   grpc_init();
+  grpc_test_only_control_plane_credentials_force_init();
   grpc_slice input = grpc_slice_from_copied_buffer((const char*)data, size);
   grpc_slice output;
   if (grpc_strict_percent_decode_slice(
@@ -45,6 +47,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
   }
   grpc_slice_unref(grpc_permissive_percent_decode_slice(input));
   grpc_slice_unref(input);
+  grpc_test_only_control_plane_credentials_destroy();
   grpc_shutdown_blocking();
   return 0;
 }
diff --git a/test/core/slice/percent_encode_fuzzer.cc b/test/core/slice/percent_encode_fuzzer.cc
index 4efa7a8d8e7..0fed4b7cce5 100644
--- a/test/core/slice/percent_encode_fuzzer.cc
+++ b/test/core/slice/percent_encode_fuzzer.cc
@@ -24,6 +24,7 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 
+#include "src/core/lib/security/credentials/credentials.h"
 #include "src/core/lib/slice/percent_encoding.h"
 #include "test/core/util/memory_counters.h"
 
@@ -33,6 +34,7 @@ bool leak_check = true;
 static void test(const uint8_t* data, size_t size, const uint8_t* dict) {
   grpc_core::testing::LeakDetector leak_detector(true);
   grpc_init();
+  grpc_test_only_control_plane_credentials_force_init();
   grpc_slice input =
       grpc_slice_from_copied_buffer(reinterpret_cast<const char*>(data), size);
   grpc_slice output = grpc_percent_encode_slice(input, dict);
@@ -48,6 +50,7 @@ static void test(const uint8_t* data, size_t size, const uint8_t* dict) {
   grpc_slice_unref(output);
   grpc_slice_unref(decoded_output);
   grpc_slice_unref(permissive_decoded_output);
+  grpc_test_only_control_plane_credentials_destroy();
   grpc_shutdown_blocking();
 }