diff --git a/BUILD b/BUILD
index d2a4e70f614..bad6f3f0755 100644
--- a/BUILD
+++ b/BUILD
@@ -366,7 +366,6 @@ cc_library(
     "src/core/lib/iomgr/socket_utils_common_posix.c",
     "src/core/lib/iomgr/socket_utils_linux.c",
     "src/core/lib/iomgr/socket_utils_posix.c",
-    "src/core/lib/iomgr/socket_utils_tos_posix.c",
     "src/core/lib/iomgr/socket_windows.c",
     "src/core/lib/iomgr/tcp_client_posix.c",
     "src/core/lib/iomgr/tcp_client_windows.c",
@@ -753,7 +752,6 @@ cc_library(
     "src/core/lib/iomgr/socket_utils_common_posix.c",
     "src/core/lib/iomgr/socket_utils_linux.c",
     "src/core/lib/iomgr/socket_utils_posix.c",
-    "src/core/lib/iomgr/socket_utils_tos_posix.c",
     "src/core/lib/iomgr/socket_windows.c",
     "src/core/lib/iomgr/tcp_client_posix.c",
     "src/core/lib/iomgr/tcp_client_windows.c",
@@ -1102,7 +1100,6 @@ cc_library(
     "src/core/lib/iomgr/socket_utils_common_posix.c",
     "src/core/lib/iomgr/socket_utils_linux.c",
     "src/core/lib/iomgr/socket_utils_posix.c",
-    "src/core/lib/iomgr/socket_utils_tos_posix.c",
     "src/core/lib/iomgr/socket_windows.c",
     "src/core/lib/iomgr/tcp_client_posix.c",
     "src/core/lib/iomgr/tcp_client_windows.c",
@@ -1866,7 +1863,6 @@ objc_library(
     "src/core/lib/iomgr/socket_utils_common_posix.c",
     "src/core/lib/iomgr/socket_utils_linux.c",
     "src/core/lib/iomgr/socket_utils_posix.c",
-    "src/core/lib/iomgr/socket_utils_tos_posix.c",
     "src/core/lib/iomgr/socket_windows.c",
     "src/core/lib/iomgr/tcp_client_posix.c",
     "src/core/lib/iomgr/tcp_client_windows.c",
diff --git a/CMakeLists.txt b/CMakeLists.txt
index d88d9177524..c4191521bd1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -333,7 +333,6 @@ add_library(grpc
   src/core/lib/iomgr/socket_utils_common_posix.c
   src/core/lib/iomgr/socket_utils_linux.c
   src/core/lib/iomgr/socket_utils_posix.c
-  src/core/lib/iomgr/socket_utils_tos_posix.c
   src/core/lib/iomgr/socket_windows.c
   src/core/lib/iomgr/tcp_client_posix.c
   src/core/lib/iomgr/tcp_client_windows.c
@@ -593,7 +592,6 @@ add_library(grpc_cronet
   src/core/lib/iomgr/socket_utils_common_posix.c
   src/core/lib/iomgr/socket_utils_linux.c
   src/core/lib/iomgr/socket_utils_posix.c
-  src/core/lib/iomgr/socket_utils_tos_posix.c
   src/core/lib/iomgr/socket_windows.c
   src/core/lib/iomgr/tcp_client_posix.c
   src/core/lib/iomgr/tcp_client_windows.c
@@ -825,7 +823,6 @@ add_library(grpc_unsecure
   src/core/lib/iomgr/socket_utils_common_posix.c
   src/core/lib/iomgr/socket_utils_linux.c
   src/core/lib/iomgr/socket_utils_posix.c
-  src/core/lib/iomgr/socket_utils_tos_posix.c
   src/core/lib/iomgr/socket_windows.c
   src/core/lib/iomgr/tcp_client_posix.c
   src/core/lib/iomgr/tcp_client_windows.c
diff --git a/Makefile b/Makefile
index cd988b85557..62c65822b0f 100644
--- a/Makefile
+++ b/Makefile
@@ -1012,7 +1012,6 @@ set_initial_connect_string_test: $(BINDIR)/$(CONFIG)/set_initial_connect_string_
 sockaddr_resolver_test: $(BINDIR)/$(CONFIG)/sockaddr_resolver_test
 sockaddr_utils_test: $(BINDIR)/$(CONFIG)/sockaddr_utils_test
 socket_utils_test: $(BINDIR)/$(CONFIG)/socket_utils_test
-socket_utils_tos_test: $(BINDIR)/$(CONFIG)/socket_utils_tos_test
 tcp_client_posix_test: $(BINDIR)/$(CONFIG)/tcp_client_posix_test
 tcp_posix_test: $(BINDIR)/$(CONFIG)/tcp_posix_test
 tcp_server_posix_test: $(BINDIR)/$(CONFIG)/tcp_server_posix_test
@@ -1329,7 +1328,6 @@ buildtests_c: privatelibs_c \
   $(BINDIR)/$(CONFIG)/sockaddr_resolver_test \
   $(BINDIR)/$(CONFIG)/sockaddr_utils_test \
   $(BINDIR)/$(CONFIG)/socket_utils_test \
-  $(BINDIR)/$(CONFIG)/socket_utils_tos_test \
   $(BINDIR)/$(CONFIG)/tcp_client_posix_test \
   $(BINDIR)/$(CONFIG)/tcp_posix_test \
   $(BINDIR)/$(CONFIG)/tcp_server_posix_test \
@@ -1716,8 +1714,6 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/sockaddr_utils_test || ( echo test sockaddr_utils_test failed ; exit 1 )
 	$(E) "[RUN]     Testing socket_utils_test"
 	$(Q) $(BINDIR)/$(CONFIG)/socket_utils_test || ( echo test socket_utils_test failed ; exit 1 )
-	$(E) "[RUN]     Testing socket_utils_tos_test"
-	$(Q) $(BINDIR)/$(CONFIG)/socket_utils_tos_test || ( echo test socket_utils_tos_test failed ; exit 1 )
 	$(E) "[RUN]     Testing tcp_client_posix_test"
 	$(Q) $(BINDIR)/$(CONFIG)/tcp_client_posix_test || ( echo test tcp_client_posix_test failed ; exit 1 )
 	$(E) "[RUN]     Testing tcp_posix_test"
@@ -2581,7 +2577,6 @@ LIBGRPC_SRC = \
     src/core/lib/iomgr/socket_utils_common_posix.c \
     src/core/lib/iomgr/socket_utils_linux.c \
     src/core/lib/iomgr/socket_utils_posix.c \
-    src/core/lib/iomgr/socket_utils_tos_posix.c \
     src/core/lib/iomgr/socket_windows.c \
     src/core/lib/iomgr/tcp_client_posix.c \
     src/core/lib/iomgr/tcp_client_windows.c \
@@ -2859,7 +2854,6 @@ LIBGRPC_CRONET_SRC = \
     src/core/lib/iomgr/socket_utils_common_posix.c \
     src/core/lib/iomgr/socket_utils_linux.c \
     src/core/lib/iomgr/socket_utils_posix.c \
-    src/core/lib/iomgr/socket_utils_tos_posix.c \
     src/core/lib/iomgr/socket_windows.c \
     src/core/lib/iomgr/tcp_client_posix.c \
     src/core/lib/iomgr/tcp_client_windows.c \
@@ -3127,7 +3121,6 @@ LIBGRPC_TEST_UTIL_SRC = \
     src/core/lib/iomgr/socket_utils_common_posix.c \
     src/core/lib/iomgr/socket_utils_linux.c \
     src/core/lib/iomgr/socket_utils_posix.c \
-    src/core/lib/iomgr/socket_utils_tos_posix.c \
     src/core/lib/iomgr/socket_windows.c \
     src/core/lib/iomgr/tcp_client_posix.c \
     src/core/lib/iomgr/tcp_client_windows.c \
@@ -3322,7 +3315,6 @@ LIBGRPC_UNSECURE_SRC = \
     src/core/lib/iomgr/socket_utils_common_posix.c \
     src/core/lib/iomgr/socket_utils_linux.c \
     src/core/lib/iomgr/socket_utils_posix.c \
-    src/core/lib/iomgr/socket_utils_tos_posix.c \
     src/core/lib/iomgr/socket_windows.c \
     src/core/lib/iomgr/tcp_client_posix.c \
     src/core/lib/iomgr/tcp_client_windows.c \
@@ -10349,38 +10341,6 @@ endif
 endif
 
 
-SOCKET_UTILS_TOS_TEST_SRC = \
-    test/core/iomgr/socket_utils_tos_test.c \
-
-SOCKET_UTILS_TOS_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(SOCKET_UTILS_TOS_TEST_SRC))))
-ifeq ($(NO_SECURE),true)
-
-# You can't build secure targets if you don't have OpenSSL.
-
-$(BINDIR)/$(CONFIG)/socket_utils_tos_test: openssl_dep_error
-
-else
-
-
-
-$(BINDIR)/$(CONFIG)/socket_utils_tos_test: $(SOCKET_UTILS_TOS_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-	$(E) "[LD]      Linking $@"
-	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(SOCKET_UTILS_TOS_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/socket_utils_tos_test
-
-endif
-
-$(OBJDIR)/$(CONFIG)/test/core/iomgr/socket_utils_tos_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-
-deps_socket_utils_tos_test: $(SOCKET_UTILS_TOS_TEST_OBJS:.o=.dep)
-
-ifneq ($(NO_SECURE),true)
-ifneq ($(NO_DEPS),true)
--include $(SOCKET_UTILS_TOS_TEST_OBJS:.o=.dep)
-endif
-endif
-
-
 TCP_CLIENT_POSIX_TEST_SRC = \
     test/core/iomgr/tcp_client_posix_test.c \
 
diff --git a/binding.gyp b/binding.gyp
index fd2bed86b04..58edda2e63e 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -608,7 +608,6 @@
         'src/core/lib/iomgr/socket_utils_common_posix.c',
         'src/core/lib/iomgr/socket_utils_linux.c',
         'src/core/lib/iomgr/socket_utils_posix.c',
-        'src/core/lib/iomgr/socket_utils_tos_posix.c',
         'src/core/lib/iomgr/socket_windows.c',
         'src/core/lib/iomgr/tcp_client_posix.c',
         'src/core/lib/iomgr/tcp_client_windows.c',
diff --git a/build.yaml b/build.yaml
index 857ef6c8ee6..584084ff865 100644
--- a/build.yaml
+++ b/build.yaml
@@ -293,7 +293,6 @@ filegroups:
   - src/core/lib/iomgr/socket_utils_common_posix.c
   - src/core/lib/iomgr/socket_utils_linux.c
   - src/core/lib/iomgr/socket_utils_posix.c
-  - src/core/lib/iomgr/socket_utils_tos_posix.c
   - src/core/lib/iomgr/socket_windows.c
   - src/core/lib/iomgr/tcp_client_posix.c
   - src/core/lib/iomgr/tcp_client_windows.c
@@ -2438,20 +2437,6 @@ targets:
   - mac
   - linux
   - posix
-- name: socket_utils_tos_test
-  build: test
-  language: c
-  src:
-  - test/core/iomgr/socket_utils_tos_test.c
-  deps:
-  - grpc_test_util
-  - grpc
-  - gpr_test_util
-  - gpr
-  platforms:
-  - mac
-  - linux
-  - posix
 - name: tcp_client_posix_test
   cpu_cost: 0.5
   build: test
diff --git a/config.m4 b/config.m4
index 7012fb0c54d..0f103655a84 100644
--- a/config.m4
+++ b/config.m4
@@ -127,7 +127,6 @@ if test "$PHP_GRPC" != "no"; then
     src/core/lib/iomgr/socket_utils_common_posix.c \
     src/core/lib/iomgr/socket_utils_linux.c \
     src/core/lib/iomgr/socket_utils_posix.c \
-    src/core/lib/iomgr/socket_utils_tos_posix.c \
     src/core/lib/iomgr/socket_windows.c \
     src/core/lib/iomgr/tcp_client_posix.c \
     src/core/lib/iomgr/tcp_client_windows.c \
diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
index 7b74143f415..6886bdfb5aa 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -457,7 +457,6 @@ Pod::Spec.new do |s|
                       'src/core/lib/iomgr/socket_utils_common_posix.c',
                       'src/core/lib/iomgr/socket_utils_linux.c',
                       'src/core/lib/iomgr/socket_utils_posix.c',
-                      'src/core/lib/iomgr/socket_utils_tos_posix.c',
                       'src/core/lib/iomgr/socket_windows.c',
                       'src/core/lib/iomgr/tcp_client_posix.c',
                       'src/core/lib/iomgr/tcp_client_windows.c',
diff --git a/grpc.gemspec b/grpc.gemspec
index 23537983552..6079ea2aef5 100755
--- a/grpc.gemspec
+++ b/grpc.gemspec
@@ -377,7 +377,6 @@ Gem::Specification.new do |s|
   s.files += %w( src/core/lib/iomgr/socket_utils_common_posix.c )
   s.files += %w( src/core/lib/iomgr/socket_utils_linux.c )
   s.files += %w( src/core/lib/iomgr/socket_utils_posix.c )
-  s.files += %w( src/core/lib/iomgr/socket_utils_tos_posix.c )
   s.files += %w( src/core/lib/iomgr/socket_windows.c )
   s.files += %w( src/core/lib/iomgr/tcp_client_posix.c )
   s.files += %w( src/core/lib/iomgr/tcp_client_windows.c )
diff --git a/include/grpc/impl/codegen/grpc_types.h b/include/grpc/impl/codegen/grpc_types.h
index aad604a3b47..6621119d255 100644
--- a/include/grpc/impl/codegen/grpc_types.h
+++ b/include/grpc/impl/codegen/grpc_types.h
@@ -201,10 +201,20 @@ typedef struct {
 #define GRPC_ARG_MAX_METADATA_SIZE "grpc.max_metadata_size"
 /** If non-zero, allow the use of SO_REUSEPORT if it's available (default 1) */
 #define GRPC_ARG_ALLOW_REUSEPORT "grpc.so_reuseport"
-/** The Type-Of-Service (TOS), in bytes. */
-#define GRPC_ARG_TOS "grpc.tos"
+/** The grpc_socket_mutator instance that set the socket options. A pointer. */
+#define GRPC_ARG_SOCKET_MUTATOR "grpc.socket_mutator"
 /** \} */
 
+typedef struct grpc_socket_mutator grpc_socket_mutator;
+
+typedef struct grpc_socket_mutator_vtable {
+  bool (*mutate_fd)(int fd, grpc_socket_mutator *mutator);
+} grpc_socket_mutator_vtable;
+
+struct grpc_socket_mutator {
+  const grpc_socket_mutator_vtable *vtable;
+};
+
 /** Result of a grpc call. If the caller satisfies the prerequisites of a
     particular operation, the grpc_call_error returned will be GRPC_CALL_OK.
     Receiving any other value listed here is an indication of a bug in the
diff --git a/package.xml b/package.xml
index 489504c43f6..7bac6957871 100644
--- a/package.xml
+++ b/package.xml
@@ -384,7 +384,6 @@
     <file baseinstalldir="/" name="src/core/lib/iomgr/socket_utils_common_posix.c" role="src" />
     <file baseinstalldir="/" name="src/core/lib/iomgr/socket_utils_linux.c" role="src" />
     <file baseinstalldir="/" name="src/core/lib/iomgr/socket_utils_posix.c" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/iomgr/socket_utils_tos_posix.c" role="src" />
     <file baseinstalldir="/" name="src/core/lib/iomgr/socket_windows.c" role="src" />
     <file baseinstalldir="/" name="src/core/lib/iomgr/tcp_client_posix.c" role="src" />
     <file baseinstalldir="/" name="src/core/lib/iomgr/tcp_client_windows.c" role="src" />
diff --git a/src/core/lib/iomgr/socket_utils_common_posix.c b/src/core/lib/iomgr/socket_utils_common_posix.c
index d2f6261e2ab..8c33ba37546 100644
--- a/src/core/lib/iomgr/socket_utils_common_posix.c
+++ b/src/core/lib/iomgr/socket_utils_common_posix.c
@@ -208,6 +208,15 @@ grpc_error *grpc_set_socket_low_latency(int fd, int low_latency) {
   return GRPC_ERROR_NONE;
 }
 
+/* set a socker using a grpc_socket_mutator */
+grpc_error *grpc_set_socket_with_mutator(int fd, grpc_socket_mutator *mutator) {
+  GPR_ASSERT(mutator);
+  if (!mutator->vtable->mutate_fd(fd, mutator)) {
+    return GRPC_ERROR_CREATE("grpc_socket_mutator failed.");
+  }
+  return GRPC_ERROR_NONE;
+}
+
 static gpr_once g_probe_ipv6_once = GPR_ONCE_INIT;
 static int g_ipv6_loopback_available;
 
diff --git a/src/core/lib/iomgr/socket_utils_posix.h b/src/core/lib/iomgr/socket_utils_posix.h
index bf4cc96af2b..d84a95d3d39 100644
--- a/src/core/lib/iomgr/socket_utils_posix.h
+++ b/src/core/lib/iomgr/socket_utils_posix.h
@@ -87,8 +87,8 @@ grpc_error *grpc_set_socket_sndbuf(int fd, int buffer_size_bytes);
 /* Tries to set the socket's receive buffer to given size. */
 grpc_error *grpc_set_socket_rcvbuf(int fd, int buffer_size_bytes);
 
-/* Tries to set the socket's type to service */
-grpc_error *grpc_set_socket_tos(int fd, grpc_arg *arg);
+/* Tries to set the socket using a grpc_socket_mutator */
+grpc_error *grpc_set_socket_with_mutator(int fd, grpc_socket_mutator *mutator);
 
 /* An enum to keep track of IPv4/IPv6 socket modes.
 
diff --git a/src/core/lib/iomgr/socket_utils_tos_posix.c b/src/core/lib/iomgr/socket_utils_tos_posix.c
deleted file mode 100644
index 603ad3c421d..00000000000
--- a/src/core/lib/iomgr/socket_utils_tos_posix.c
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- *
- * Copyright 2016, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include <grpc/support/port_platform.h>
-
-#ifdef GPR_POSIX_SOCKET
-
-#include "src/core/lib/iomgr/socket_utils_posix.h"
-
-#include <errno.h>
-#include <netinet/in.h>
-#include <string.h>
-
-#include <grpc/impl/codegen/grpc_types.h>
-#include <grpc/support/log.h>
-
-grpc_error* grpc_set_socket_tos(int fd, grpc_arg* arg) {
-  int newval;
-  socklen_t intlen = sizeof(newval);
-
-  GPR_ASSERT(0 == strcmp(arg->key, GRPC_ARG_TOS));
-  GPR_ASSERT(arg->type == GRPC_ARG_INTEGER);
-
-  if (0 != setsockopt(fd, IPPROTO_IP, IP_TOS, &arg->value.integer,
-                      sizeof(arg->value.integer))) {
-    return GRPC_OS_ERROR(errno, "setsockopt(IP_TOS)");
-  }
-  if (0 != getsockopt(fd, IPPROTO_IP, IP_TOS, &newval, &intlen)) {
-    return GRPC_OS_ERROR(errno, "getsockopt(IP_TOS)");
-  }
-  if (newval != arg->value.integer) {
-    return GRPC_ERROR_CREATE("Failed to set IP_TOS");
-  }
-
-  return GRPC_ERROR_NONE;
-}
-
-#endif
diff --git a/src/core/lib/iomgr/tcp_client_posix.c b/src/core/lib/iomgr/tcp_client_posix.c
index 1439efe706f..84eb41ecd28 100644
--- a/src/core/lib/iomgr/tcp_client_posix.c
+++ b/src/core/lib/iomgr/tcp_client_posix.c
@@ -89,10 +89,11 @@ static grpc_error *prepare_socket(const struct sockaddr *addr, int fd,
   if (err != GRPC_ERROR_NONE) goto error;
   if (channel_args) {
     for (size_t i = 0; i < channel_args->num_args; i++) {
-      if (0 == strcmp(channel_args->args[i].key, GRPC_ARG_TOS)) {
-        err = grpc_set_socket_tos(fd, &channel_args->args[i]);
+      if (0 == strcmp(channel_args->args[i].key, GRPC_ARG_SOCKET_MUTATOR)) {
+        GPR_ASSERT(channel_args->args[i].type == GRPC_ARG_POINTER);
+        grpc_socket_mutator *mutator = channel_args->args[i].value.pointer.p;
+        err = grpc_set_socket_with_mutator(fd, mutator);
         if (err != GRPC_ERROR_NONE) goto error;
-        break;
       }
     }
   }
diff --git a/src/python/grpcio/grpc_core_dependencies.py b/src/python/grpcio/grpc_core_dependencies.py
index dec578edb5c..2bebf48c70a 100644
--- a/src/python/grpcio/grpc_core_dependencies.py
+++ b/src/python/grpcio/grpc_core_dependencies.py
@@ -121,7 +121,6 @@ CORE_SOURCE_FILES = [
   'src/core/lib/iomgr/socket_utils_common_posix.c',
   'src/core/lib/iomgr/socket_utils_linux.c',
   'src/core/lib/iomgr/socket_utils_posix.c',
-  'src/core/lib/iomgr/socket_utils_tos_posix.c',
   'src/core/lib/iomgr/socket_windows.c',
   'src/core/lib/iomgr/tcp_client_posix.c',
   'src/core/lib/iomgr/tcp_client_windows.c',
diff --git a/test/core/iomgr/socket_utils_test.c b/test/core/iomgr/socket_utils_test.c
index 297531c44d2..113668b4e94 100644
--- a/test/core/iomgr/socket_utils_test.c
+++ b/test/core/iomgr/socket_utils_test.c
@@ -35,11 +35,37 @@
 #include "src/core/lib/iomgr/socket_utils_posix.h"
 
 #include <errno.h>
+#include <netinet/ip.h>
 #include <string.h>
 
 #include <grpc/support/log.h>
 #include "test/core/util/test_config.h"
 
+struct test_socket_mutator {
+  grpc_socket_mutator base;
+  int option_value;
+};
+
+static bool mutate_fd(int fd, grpc_socket_mutator* mutator) {
+  int newval;
+  socklen_t intlen = sizeof(newval);
+  struct test_socket_mutator* m = (struct test_socket_mutator*)mutator;
+
+  if (0 != setsockopt(fd, IPPROTO_IP, IP_TOS, &m->option_value,
+                      sizeof(m->option_value))) {
+    return false;
+  }
+  if (0 != getsockopt(fd, IPPROTO_IP, IP_TOS, &newval, &intlen)) {
+    return false;
+  }
+  if (newval != m->option_value) {
+    return false;
+  }
+  return true;
+}
+
+static const grpc_socket_mutator_vtable mutator_vtable = {mutate_fd};
+
 int main(int argc, char **argv) {
   int sock;
   grpc_test_init(argc, argv);
@@ -64,6 +90,28 @@ int main(int argc, char **argv) {
   GPR_ASSERT(GRPC_LOG_IF_ERROR("set_socket_low_latency",
                                grpc_set_socket_low_latency(sock, 0)));
 
+  struct test_socket_mutator mutator;
+  mutator.base.vtable = &mutator_vtable;
+
+  mutator.option_value = IPTOS_LOWDELAY;
+  GPR_ASSERT(GRPC_LOG_IF_ERROR(
+      "set_socket_with_mutator",
+      grpc_set_socket_with_mutator(sock, (grpc_socket_mutator*)&mutator)));
+
+  mutator.option_value = IPTOS_THROUGHPUT;
+  GPR_ASSERT(GRPC_LOG_IF_ERROR(
+      "set_socket_with_mutator",
+      grpc_set_socket_with_mutator(sock, (grpc_socket_mutator*)&mutator)));
+
+  mutator.option_value = IPTOS_RELIABILITY;
+  GPR_ASSERT(GRPC_LOG_IF_ERROR(
+      "set_socket_with_mutator",
+      grpc_set_socket_with_mutator(sock, (grpc_socket_mutator*)&mutator)));
+
+  mutator.option_value = -1;
+  GPR_ASSERT(GRPC_ERROR_NONE != grpc_set_socket_with_mutator(
+                                    sock, (grpc_socket_mutator*)&mutator));
+
   close(sock);
 
   return 0;
diff --git a/test/core/iomgr/socket_utils_tos_test.c b/test/core/iomgr/socket_utils_tos_test.c
deleted file mode 100644
index ee3a43367b8..00000000000
--- a/test/core/iomgr/socket_utils_tos_test.c
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- *
- * Copyright 2016, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include <grpc/support/port_platform.h>
-#include "src/core/lib/iomgr/socket_utils_posix.h"
-
-#include <errno.h>
-#include <netinet/ip.h>
-#include <string.h>
-
-#include <grpc/support/log.h>
-#include "test/core/util/test_config.h"
-
-int main(int argc, char **argv) {
-  int sock;
-  grpc_arg tos_arg;
-  grpc_test_init(argc, argv);
-
-  sock = socket(PF_INET, SOCK_STREAM, 0);
-  GPR_ASSERT(sock > 0);
-
-  tos_arg.key = GRPC_ARG_TOS;
-  tos_arg.type = GRPC_ARG_INTEGER;
-  tos_arg.value.integer = IPTOS_LOWDELAY;
-  GPR_ASSERT(
-      GRPC_LOG_IF_ERROR("set_socket_tos", grpc_set_socket_tos(sock, &tos_arg)));
-  tos_arg.value.integer = IPTOS_THROUGHPUT;
-  GPR_ASSERT(
-      GRPC_LOG_IF_ERROR("set_socket_tos", grpc_set_socket_tos(sock, &tos_arg)));
-  tos_arg.value.integer = IPTOS_RELIABILITY;
-  GPR_ASSERT(
-      GRPC_LOG_IF_ERROR("set_socket_tos", grpc_set_socket_tos(sock, &tos_arg)));
-
-  close(sock);
-
-  return 0;
-}
diff --git a/tools/doxygen/Doxyfile.core.internal b/tools/doxygen/Doxyfile.core.internal
index 59998f03fba..44f147aeb18 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -994,7 +994,6 @@ src/core/lib/iomgr/sockaddr_utils.c \
 src/core/lib/iomgr/socket_utils_common_posix.c \
 src/core/lib/iomgr/socket_utils_linux.c \
 src/core/lib/iomgr/socket_utils_posix.c \
-src/core/lib/iomgr/socket_utils_tos_posix.c \
 src/core/lib/iomgr/socket_windows.c \
 src/core/lib/iomgr/tcp_client_posix.c \
 src/core/lib/iomgr/tcp_client_windows.c \
diff --git a/tools/run_tests/sources_and_headers.json b/tools/run_tests/sources_and_headers.json
index 5ecb3ee0f87..c05d194e19e 100644
--- a/tools/run_tests/sources_and_headers.json
+++ b/tools/run_tests/sources_and_headers.json
@@ -1858,23 +1858,6 @@
     "third_party": false, 
     "type": "target"
   }, 
-  {
-    "deps": [
-      "gpr", 
-      "gpr_test_util", 
-      "grpc", 
-      "grpc_test_util"
-    ], 
-    "headers": [], 
-    "is_filegroup": false, 
-    "language": "c", 
-    "name": "socket_utils_tos_test", 
-    "src": [
-      "test/core/iomgr/socket_utils_tos_test.c"
-    ], 
-    "third_party": false, 
-    "type": "target"
-  }, 
   {
     "deps": [
       "gpr", 
@@ -6550,7 +6533,6 @@
       "src/core/lib/iomgr/socket_utils_linux.c", 
       "src/core/lib/iomgr/socket_utils_posix.c", 
       "src/core/lib/iomgr/socket_utils_posix.h", 
-      "src/core/lib/iomgr/socket_utils_tos_posix.c", 
       "src/core/lib/iomgr/socket_windows.c", 
       "src/core/lib/iomgr/socket_windows.h", 
       "src/core/lib/iomgr/tcp_client.h", 
diff --git a/tools/run_tests/tests.json b/tools/run_tests/tests.json
index 07b51d3c2f3..c3395067c94 100644
--- a/tools/run_tests/tests.json
+++ b/tools/run_tests/tests.json
@@ -1819,25 +1819,6 @@
       "posix"
     ]
   }, 
-  {
-    "args": [], 
-    "ci_platforms": [
-      "linux", 
-      "mac", 
-      "posix"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "gtest": false, 
-    "language": "c", 
-    "name": "socket_utils_tos_test", 
-    "platforms": [
-      "linux", 
-      "mac", 
-      "posix"
-    ]
-  }, 
   {
     "args": [], 
     "ci_platforms": [
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj b/vsprojects/vcxproj/grpc/grpc.vcxproj
index f115001507f..965d06d1d5c 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj
@@ -549,8 +549,6 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_posix.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_tos_posix.c">
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client_posix.c">
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
index 81dae475a1d..dddd4ecce51 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
@@ -133,9 +133,6 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_posix.c">
       <Filter>src\core\lib\iomgr</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_tos_posix.c">
-      <Filter>src\core\lib\iomgr</Filter>
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.c">
       <Filter>src\core\lib\iomgr</Filter>
     </ClCompile>
diff --git a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
index da631cd0dc1..b724c217ed4 100644
--- a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
+++ b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
@@ -397,8 +397,6 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_posix.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_tos_posix.c">
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client_posix.c">
diff --git a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
index b42b5ec68a7..92806fa04a2 100644
--- a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
@@ -187,9 +187,6 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_posix.c">
       <Filter>src\core\lib\iomgr</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_tos_posix.c">
-      <Filter>src\core\lib\iomgr</Filter>
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.c">
       <Filter>src\core\lib\iomgr</Filter>
     </ClCompile>
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
index 921eaf3780d..b46773632cb 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
@@ -517,8 +517,6 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_posix.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_tos_posix.c">
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client_posix.c">
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
index c7d0106dc57..6ffc1eab708 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
@@ -136,9 +136,6 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_posix.c">
       <Filter>src\core\lib\iomgr</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_tos_posix.c">
-      <Filter>src\core\lib\iomgr</Filter>
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.c">
       <Filter>src\core\lib\iomgr</Filter>
     </ClCompile>