diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8143123..a5ecb90 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -34,9 +34,11 @@
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 set(CMAKE_CXX_STANDARD 11)
 
+option(SPIRV_ALLOW_TIMERS "Allow timers via clock_gettime on supported platforms" ON)
+
 if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
   add_definitions(-DSPIRV_LINUX)
-  set(SPIRV_TIMER_ENABLED ON)
+  set(SPIRV_TIMER_ENABLED ${SPIRV_ALLOW_TIMERS})
 elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Windows")
   add_definitions(-DSPIRV_WINDOWS)
 elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "CYGWIN")
@@ -45,7 +47,7 @@
   add_definitions(-DSPIRV_MAC)
 elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Android")
   add_definitions(-DSPIRV_ANDROID)
-  set(SPIRV_TIMER_ENABLED ON)
+  set(SPIRV_TIMER_ENABLED ${SPIRV_ALLOW_TIMERS})
 elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "FreeBSD")
   add_definitions(-DSPIRV_FREEBSD)
 else()