diff --git a/CMakeLists.txt b/CMakeLists.txt
index 50e99a1d..86b5529a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -84,8 +84,6 @@ find_package(LibXml2 2.6.26)
 set(WITH_LIBXML2_DEFAULT    ${LIBXML2_FOUND})
 find_package(Jemalloc)
 set(WITH_JEMALLOC_DEFAULT   ${JEMALLOC_FOUND})
-find_package(Spdylay 1.3.2)
-set(WITH_SPDYLAY_DEFAULT    ${SPDYLAY_FOUND})
 
 include(CMakeOptions.txt)
 
@@ -220,8 +218,6 @@ else()
 endif()
 # jemalloc
 set(HAVE_JEMALLOC   ${JEMALLOC_FOUND})
-# spdylay (for src/nghttpx and src/h2load)
-set(HAVE_SPDYLAY    ${SPDYLAY_FOUND})
 
 if(ENABLE_ASIO_LIB)
   find_package(Boost 1.54.0 REQUIRED system thread)
@@ -504,7 +500,6 @@ message(STATUS "summary of build options:
       Libev:          ${HAVE_LIBEV} (LIBS='${LIBEV_LIBRARIES}')
       Libc-ares:      ${HAVE_LIBCARES} (LIBS='${LIBCARES_LIBRARIES}')
       Libevent(SSL):  ${HAVE_LIBEVENT_OPENSSL} (LIBS='${LIBEVENT_OPENSSL_LIBRARIES}')
-      Spdylay:        ${HAVE_SPDYLAY} (LIBS='${SPDYLAY_LIBRARIES}')
       Jansson:        ${HAVE_JANSSON} (LIBS='${JANSSON_LIBRARIES}')
       Jemalloc:       ${HAVE_JEMALLOC} (LIBS='${JEMALLOC_LIBRARIES}')
       Zlib:           ${HAVE_ZLIB} (LIBS='${ZLIB_LIBRARIES}')
diff --git a/Makefile.am b/Makefile.am
index af0e1858..0f24af4b 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -37,7 +37,6 @@ EXTRA_DIST = nghttpx.conf.sample proxy.pac.sample android-config android-make \
 	cmakeconfig.h.in \
 	CMakeLists.txt \
 	CMakeOptions.txt \
-	cmake/FindSpdylay.cmake \
 	cmake/ExtractValidFlags.cmake \
 	cmake/FindJemalloc.cmake \
 	cmake/FindLibev.cmake \
diff --git a/cmake/FindSpdylay.cmake b/cmake/FindSpdylay.cmake
deleted file mode 100644
index 6a76d28e..00000000
--- a/cmake/FindSpdylay.cmake
+++ /dev/null
@@ -1,40 +0,0 @@
-# - Try to find spdylay
-# Once done this will define
-#  SPDYLAY_FOUND        - System has spdylay
-#  SPDYLAY_INCLUDE_DIRS - The spdylay include directories
-#  SPDYLAY_LIBRARIES    - The libraries needed to use spdylay
-
-find_package(PkgConfig QUIET)
-pkg_check_modules(PC_SPDYLAY QUIET libspdylay)
-
-find_path(SPDYLAY_INCLUDE_DIR
-  NAMES spdylay/spdylay.h
-  HINTS ${PC_SPDYLAY_INCLUDE_DIRS}
-)
-find_library(SPDYLAY_LIBRARY
-  NAMES spdylay
-  HINTS ${PC_SPDYLAY_LIBRARY_DIRS}
-)
-
-if(SPDYLAY_INCLUDE_DIR)
-  set(_version_regex "^#define[ \t]+SPDYLAY_VERSION[ \t]+\"([^\"]+)\".*")
-  file(STRINGS "${SPDYLAY_INCLUDE_DIR}/spdylay/spdylayver.h"
-    SPDYLAY_VERSION REGEX "${_version_regex}")
-  string(REGEX REPLACE "${_version_regex}" "\\1"
-    SPDYLAY_VERSION "${SPDYLAY_VERSION}")
-  unset(_version_regex)
-endif()
-
-include(FindPackageHandleStandardArgs)
-# handle the QUIETLY and REQUIRED arguments and set SPDYLAY_FOUND to TRUE
-# if all listed variables are TRUE and the requested version matches.
-find_package_handle_standard_args(Spdylay REQUIRED_VARS
-                                  SPDYLAY_LIBRARY SPDYLAY_INCLUDE_DIR
-                                  VERSION_VAR SPDYLAY_VERSION)
-
-if(SPDYLAY_FOUND)
-  set(SPDYLAY_LIBRARIES     ${SPDYLAY_LIBRARY})
-  set(SPDYLAY_INCLUDE_DIRS  ${SPDYLAY_INCLUDE_DIR})
-endif()
-
-mark_as_advanced(SPDYLAY_INCLUDE_DIR SPDYLAY_LIBRARY)
diff --git a/cmakeconfig.h.in b/cmakeconfig.h.in
index d67b5409..6c96f70a 100644
--- a/cmakeconfig.h.in
+++ b/cmakeconfig.h.in
@@ -13,9 +13,6 @@
 /* Define to 1 if you have `libxml2` library. */
 #cmakedefine HAVE_LIBXML2 1
 
-/* Define to 1 if you have `spdylay` library. */
-#cmakedefine HAVE_SPDYLAY 1
-
 /* Define to 1 if you have `mruby` library. */
 #cmakedefine HAVE_MRUBY 1