diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index 520c5bb..88f028e 100644
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -1,4 +1,3 @@
-cmake_minimum_required(VERSION 3.5)
 include_directories( playfair llhttp )
 
 message( STATUS "*** CFLAGS \"" ${CMAKE_C_FLAGS} "\" from build environment will be postpended to CMAKE_CFLAGS" )
diff --git a/lib/llhttp/CMakeLists.txt b/lib/llhttp/CMakeLists.txt
index 3895909..cebc2a7 100644
--- a/lib/llhttp/CMakeLists.txt
+++ b/lib/llhttp/CMakeLists.txt
@@ -1,4 +1,3 @@
-cmake_minimum_required(VERSION 3.5)
 aux_source_directory(. llhttp_src)
 set(DIR_SRCS ${llhttp_src})
 include_directories(.)
diff --git a/lib/playfair/CMakeLists.txt b/lib/playfair/CMakeLists.txt
index 163f9aa..548d3ae 100644
--- a/lib/playfair/CMakeLists.txt
+++ b/lib/playfair/CMakeLists.txt
@@ -1,4 +1,3 @@
-cmake_minimum_required(VERSION 3.5)
 aux_source_directory(. playfair_src)
 set(DIR_SRCS ${playfair_src})
 include_directories(.)
diff --git a/renderers/CMakeLists.txt b/renderers/CMakeLists.txt
index 9c49df1..abf4bb3 100644
--- a/renderers/CMakeLists.txt
+++ b/renderers/CMakeLists.txt
@@ -1,4 +1,3 @@
-cmake_minimum_required(VERSION 3.5)
 
 if (APPLE )
   set( ENV{PKG_CONFIG_PATH} "/Library/FrameWorks/GStreamer.framework/Libraries/pkgconfig" ) # GStreamer.framework, preferred