diff --git a/BUILD b/BUILD
index e7639edbd829d6b360b7c52b56c9feef63b4bf80..21fb7e2a3ce4cba34e98189f36c7f2e5b5562a04 100644
--- a/BUILD
+++ b/BUILD
@@ -339,7 +339,6 @@ cc_library(
     "src/core/iomgr/iomgr.c",
     "src/core/iomgr/iomgr_posix.c",
     "src/core/iomgr/iomgr_windows.c",
-    "src/core/iomgr/pollset_set_posix.c",
     "src/core/iomgr/pollset_set_windows.c",
     "src/core/iomgr/pollset_windows.c",
     "src/core/iomgr/resolve_address_posix.c",
@@ -654,7 +653,6 @@ cc_library(
     "src/core/iomgr/iomgr.c",
     "src/core/iomgr/iomgr_posix.c",
     "src/core/iomgr/iomgr_windows.c",
-    "src/core/iomgr/pollset_set_posix.c",
     "src/core/iomgr/pollset_set_windows.c",
     "src/core/iomgr/pollset_windows.c",
     "src/core/iomgr/resolve_address_posix.c",
@@ -1315,7 +1313,6 @@ objc_library(
     "src/core/iomgr/iomgr.c",
     "src/core/iomgr/iomgr_posix.c",
     "src/core/iomgr/iomgr_windows.c",
-    "src/core/iomgr/pollset_set_posix.c",
     "src/core/iomgr/pollset_set_windows.c",
     "src/core/iomgr/pollset_windows.c",
     "src/core/iomgr/resolve_address_posix.c",
diff --git a/Makefile b/Makefile
index 62075a672ce8c9d2c4819524aa69923c59e13a69..d4d7edb39fc6d6289955233893eb14cdf295057a 100644
--- a/Makefile
+++ b/Makefile
@@ -2402,7 +2402,6 @@ LIBGRPC_SRC = \
     src/core/iomgr/iomgr.c \
     src/core/iomgr/iomgr_posix.c \
     src/core/iomgr/iomgr_windows.c \
-    src/core/iomgr/pollset_set_posix.c \
     src/core/iomgr/pollset_set_windows.c \
     src/core/iomgr/pollset_windows.c \
     src/core/iomgr/resolve_address_posix.c \
@@ -2712,7 +2711,6 @@ LIBGRPC_UNSECURE_SRC = \
     src/core/iomgr/iomgr.c \
     src/core/iomgr/iomgr_posix.c \
     src/core/iomgr/iomgr_windows.c \
-    src/core/iomgr/pollset_set_posix.c \
     src/core/iomgr/pollset_set_windows.c \
     src/core/iomgr/pollset_windows.c \
     src/core/iomgr/resolve_address_posix.c \
diff --git a/binding.gyp b/binding.gyp
index 545e87a51b86681b69a33795b47e808027b135b3..ee2b361f1422a8420a9b28f4fcaa617faa7780e3 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -605,7 +605,6 @@
         'src/core/iomgr/iomgr.c',
         'src/core/iomgr/iomgr_posix.c',
         'src/core/iomgr/iomgr_windows.c',
-        'src/core/iomgr/pollset_set_posix.c',
         'src/core/iomgr/pollset_set_windows.c',
         'src/core/iomgr/pollset_windows.c',
         'src/core/iomgr/resolve_address_posix.c',
diff --git a/build.yaml b/build.yaml
index 33f3528bbe1485798f29b4e8a585085845748ad0..51ad288826147042882d97cc83f40dac7e775c6d 100644
--- a/build.yaml
+++ b/build.yaml
@@ -409,7 +409,6 @@ filegroups:
   - src/core/iomgr/iomgr.c
   - src/core/iomgr/iomgr_posix.c
   - src/core/iomgr/iomgr_windows.c
-  - src/core/iomgr/pollset_set_posix.c
   - src/core/iomgr/pollset_set_windows.c
   - src/core/iomgr/pollset_windows.c
   - src/core/iomgr/resolve_address_posix.c
diff --git a/config.m4 b/config.m4
index 3a690c99f7657fb04070fda3b5018ebdcdc4092b..ac2c2cb1abc9917c57cfe74c3d7cf5d232eaca46 100644
--- a/config.m4
+++ b/config.m4
@@ -119,17 +119,14 @@ if test "$PHP_GRPC" != "no"; then
     src/core/iomgr/endpoint.c \
     src/core/iomgr/endpoint_pair_posix.c \
     src/core/iomgr/endpoint_pair_windows.c \
+    src/core/iomgr/ev_poll_and_epoll_posix.c \
+    src/core/iomgr/ev_posix.c \
     src/core/iomgr/exec_ctx.c \
     src/core/iomgr/executor.c \
-    src/core/iomgr/fd_posix.c \
     src/core/iomgr/iocp_windows.c \
     src/core/iomgr/iomgr.c \
     src/core/iomgr/iomgr_posix.c \
     src/core/iomgr/iomgr_windows.c \
-    src/core/iomgr/pollset_multipoller_with_epoll.c \
-    src/core/iomgr/pollset_multipoller_with_poll_posix.c \
-    src/core/iomgr/pollset_posix.c \
-    src/core/iomgr/pollset_set_posix.c \
     src/core/iomgr/pollset_set_windows.c \
     src/core/iomgr/pollset_windows.c \
     src/core/iomgr/resolve_address_posix.c \
diff --git a/gRPC.podspec b/gRPC.podspec
index a815eb66f7dcd112a211b504b3388ea292a4de5b..87c06bbbfb32c0e22ef137c8a0937f20053a34c0 100644
--- a/gRPC.podspec
+++ b/gRPC.podspec
@@ -356,7 +356,6 @@ Pod::Spec.new do |s|
                       'src/core/iomgr/iomgr.c',
                       'src/core/iomgr/iomgr_posix.c',
                       'src/core/iomgr/iomgr_windows.c',
-                      'src/core/iomgr/pollset_set_posix.c',
                       'src/core/iomgr/pollset_set_windows.c',
                       'src/core/iomgr/pollset_windows.c',
                       'src/core/iomgr/resolve_address_posix.c',
diff --git a/grpc.gemspec b/grpc.gemspec
index af5872c185092a5462392d0b34570a85d8756544..947e400578c459b706609c42c4badc13ef285059 100755
--- a/grpc.gemspec
+++ b/grpc.gemspec
@@ -339,7 +339,6 @@ Gem::Specification.new do |s|
   s.files += %w( src/core/iomgr/iomgr.c )
   s.files += %w( src/core/iomgr/iomgr_posix.c )
   s.files += %w( src/core/iomgr/iomgr_windows.c )
-  s.files += %w( src/core/iomgr/pollset_set_posix.c )
   s.files += %w( src/core/iomgr/pollset_set_windows.c )
   s.files += %w( src/core/iomgr/pollset_windows.c )
   s.files += %w( src/core/iomgr/resolve_address_posix.c )
diff --git a/package.json b/package.json
index ea0ec3e34b0a442e2f5addc53b10087207b0caa8..5731c51d2ad785baefd614be608cff5bdd6f3ae9 100644
--- a/package.json
+++ b/package.json
@@ -283,7 +283,6 @@
     "src/core/iomgr/iomgr.c",
     "src/core/iomgr/iomgr_posix.c",
     "src/core/iomgr/iomgr_windows.c",
-    "src/core/iomgr/pollset_set_posix.c",
     "src/core/iomgr/pollset_set_windows.c",
     "src/core/iomgr/pollset_windows.c",
     "src/core/iomgr/resolve_address_posix.c",
diff --git a/package.xml b/package.xml
index ba9f9a09f681334876af38a2c560bb7bd29e360a..a4a2df6385eb3886faa78b0e6d678efc66abfc57 100644
--- a/package.xml
+++ b/package.xml
@@ -197,15 +197,15 @@
     <file baseinstalldir="/" name="src/core/iomgr/closure.h" role="src" />
     <file baseinstalldir="/" name="src/core/iomgr/endpoint.h" role="src" />
     <file baseinstalldir="/" name="src/core/iomgr/endpoint_pair.h" role="src" />
+    <file baseinstalldir="/" name="src/core/iomgr/ev_poll_and_epoll_posix.h" role="src" />
+    <file baseinstalldir="/" name="src/core/iomgr/ev_posix.h" role="src" />
     <file baseinstalldir="/" name="src/core/iomgr/exec_ctx.h" role="src" />
     <file baseinstalldir="/" name="src/core/iomgr/executor.h" role="src" />
-    <file baseinstalldir="/" name="src/core/iomgr/fd_posix.h" role="src" />
     <file baseinstalldir="/" name="src/core/iomgr/iocp_windows.h" role="src" />
     <file baseinstalldir="/" name="src/core/iomgr/iomgr.h" role="src" />
     <file baseinstalldir="/" name="src/core/iomgr/iomgr_internal.h" role="src" />
     <file baseinstalldir="/" name="src/core/iomgr/iomgr_posix.h" role="src" />
     <file baseinstalldir="/" name="src/core/iomgr/pollset.h" role="src" />
-    <file baseinstalldir="/" name="src/core/iomgr/pollset_posix.h" role="src" />
     <file baseinstalldir="/" name="src/core/iomgr/pollset_set.h" role="src" />
     <file baseinstalldir="/" name="src/core/iomgr/pollset_set_posix.h" role="src" />
     <file baseinstalldir="/" name="src/core/iomgr/pollset_set_windows.h" role="src" />
@@ -335,17 +335,14 @@
     <file baseinstalldir="/" name="src/core/iomgr/endpoint.c" role="src" />
     <file baseinstalldir="/" name="src/core/iomgr/endpoint_pair_posix.c" role="src" />
     <file baseinstalldir="/" name="src/core/iomgr/endpoint_pair_windows.c" role="src" />
+    <file baseinstalldir="/" name="src/core/iomgr/ev_poll_and_epoll_posix.c" role="src" />
+    <file baseinstalldir="/" name="src/core/iomgr/ev_posix.c" role="src" />
     <file baseinstalldir="/" name="src/core/iomgr/exec_ctx.c" role="src" />
     <file baseinstalldir="/" name="src/core/iomgr/executor.c" role="src" />
-    <file baseinstalldir="/" name="src/core/iomgr/fd_posix.c" role="src" />
     <file baseinstalldir="/" name="src/core/iomgr/iocp_windows.c" role="src" />
     <file baseinstalldir="/" name="src/core/iomgr/iomgr.c" role="src" />
     <file baseinstalldir="/" name="src/core/iomgr/iomgr_posix.c" role="src" />
     <file baseinstalldir="/" name="src/core/iomgr/iomgr_windows.c" role="src" />
-    <file baseinstalldir="/" name="src/core/iomgr/pollset_multipoller_with_epoll.c" role="src" />
-    <file baseinstalldir="/" name="src/core/iomgr/pollset_multipoller_with_poll_posix.c" role="src" />
-    <file baseinstalldir="/" name="src/core/iomgr/pollset_posix.c" role="src" />
-    <file baseinstalldir="/" name="src/core/iomgr/pollset_set_posix.c" role="src" />
     <file baseinstalldir="/" name="src/core/iomgr/pollset_set_windows.c" role="src" />
     <file baseinstalldir="/" name="src/core/iomgr/pollset_windows.c" role="src" />
     <file baseinstalldir="/" name="src/core/iomgr/resolve_address_posix.c" role="src" />
diff --git a/src/core/iomgr/pollset_set_posix.c b/src/core/iomgr/pollset_set_posix.c
deleted file mode 100644
index 9d6f3bdb3dd16c312e01ea2559e8a8ae88ce0488..0000000000000000000000000000000000000000
--- a/src/core/iomgr/pollset_set_posix.c
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- *
- * Copyright 2015-2016, 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 <stdlib.h>
-#include <string.h>
-
-#include <grpc/support/alloc.h>
-#include <grpc/support/useful.h>
-
-#include "src/core/iomgr/ev_posix.h"
-#include "src/core/iomgr/pollset_set_posix.h"
-
-
-#endif /* GPR_POSIX_SOCKET */
diff --git a/src/python/grpcio/grpc_core_dependencies.py b/src/python/grpcio/grpc_core_dependencies.py
index f4d2552ffd76d64b8c7b8960f89d71f01965a2e6..46b748ef366925d07fd08db0cf3ba9d29ba2ad7a 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/iomgr/iomgr.c',
   'src/core/iomgr/iomgr_posix.c',
   'src/core/iomgr/iomgr_windows.c',
-  'src/core/iomgr/pollset_set_posix.c',
   'src/core/iomgr/pollset_set_windows.c',
   'src/core/iomgr/pollset_windows.c',
   'src/core/iomgr/resolve_address_posix.c',
diff --git a/tools/doxygen/Doxyfile.core.internal b/tools/doxygen/Doxyfile.core.internal
index a7ea085c1286a3c69b904acc220f972760a9c67b..3a6d277dd24f66d9a942e92af7c40b94c1c43b6c 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -957,7 +957,6 @@ src/core/iomgr/iocp_windows.c \
 src/core/iomgr/iomgr.c \
 src/core/iomgr/iomgr_posix.c \
 src/core/iomgr/iomgr_windows.c \
-src/core/iomgr/pollset_set_posix.c \
 src/core/iomgr/pollset_set_windows.c \
 src/core/iomgr/pollset_windows.c \
 src/core/iomgr/resolve_address_posix.c \
diff --git a/tools/run_tests/sources_and_headers.json b/tools/run_tests/sources_and_headers.json
index dd28dd9f4daa3ea19bd76965f060967e0da6724a..f6aa902c8ab582d26c6c833d905b57ba40a35deb 100644
--- a/tools/run_tests/sources_and_headers.json
+++ b/tools/run_tests/sources_and_headers.json
@@ -4113,7 +4113,6 @@
       "src/core/iomgr/iomgr_windows.c", 
       "src/core/iomgr/pollset.h", 
       "src/core/iomgr/pollset_set.h", 
-      "src/core/iomgr/pollset_set_posix.c", 
       "src/core/iomgr/pollset_set_posix.h", 
       "src/core/iomgr/pollset_set_windows.c", 
       "src/core/iomgr/pollset_set_windows.h", 
@@ -4652,7 +4651,6 @@
       "src/core/iomgr/iomgr_windows.c", 
       "src/core/iomgr/pollset.h", 
       "src/core/iomgr/pollset_set.h", 
-      "src/core/iomgr/pollset_set_posix.c", 
       "src/core/iomgr/pollset_set_posix.h", 
       "src/core/iomgr/pollset_set_windows.c", 
       "src/core/iomgr/pollset_set_windows.h", 
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj b/vsprojects/vcxproj/grpc/grpc.vcxproj
index cfa40dfb5083bf760f97de29ea9ef2b4880e8ffa..743626fb84ddcc4617c20e85c3145ffe3d31732a 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj
@@ -516,8 +516,6 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\iomgr\iomgr_windows.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\iomgr\pollset_set_posix.c">
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\iomgr\pollset_set_windows.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\iomgr\pollset_windows.c">
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
index 4b6e0b40b43b2e69194bcb6bef265d420bf763a7..158c3cab02ae05463efbafd371800dba6d83a1fa 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
@@ -145,9 +145,6 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\iomgr\iomgr_windows.c">
       <Filter>src\core\iomgr</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\iomgr\pollset_set_posix.c">
-      <Filter>src\core\iomgr</Filter>
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\iomgr\pollset_set_windows.c">
       <Filter>src\core\iomgr</Filter>
     </ClCompile>
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
index b17a357118a0fe4fff1c170d67dd1d61eba5bc00..a5f6174fc0cf836ce9371106d13e3c060c55bf8c 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
@@ -494,8 +494,6 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\iomgr\iomgr_windows.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\iomgr\pollset_set_posix.c">
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\iomgr\pollset_set_windows.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\iomgr\pollset_windows.c">
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
index 9c4cf23fba2c46f5e36b13c929a9515dc8dd2ed4..d34bbf981e6ceefa4755895a095159e76c916e2d 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
@@ -148,9 +148,6 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\iomgr\iomgr_windows.c">
       <Filter>src\core\iomgr</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\iomgr\pollset_set_posix.c">
-      <Filter>src\core\iomgr</Filter>
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\iomgr\pollset_set_windows.c">
       <Filter>src\core\iomgr</Filter>
     </ClCompile>