diff --git a/aimeio/CMakeLists.txt b/aimeio/CMakeLists.txt
index fd16da8..ac54351 100644
--- a/aimeio/CMakeLists.txt
+++ b/aimeio/CMakeLists.txt
@@ -3,10 +3,7 @@ project(aimeio_brokenithm)
 
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/")
 include_directories("${CMAKE_SOURCE_DIR}/include/")
-set(CMAKE_CXX_STANDARD 17)
-
-set(CMAKE_C_COMPILER "gcc")
-set(CMAKE_CXX_COMPILER "g++")
+set(CMAKE_C_STANDARD 11)
 
 link_directories(src)
 add_library(aimeio_brokenithm SHARED src/aimeio.c
diff --git a/chuniio/CMakeLists.txt b/chuniio/CMakeLists.txt
index 820ec90..1fe130f 100644
--- a/chuniio/CMakeLists.txt
+++ b/chuniio/CMakeLists.txt
@@ -3,10 +3,7 @@ project(chuniio_brokenithm)
 
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/")
 include_directories("${CMAKE_SOURCE_DIR}/include/")
-set(CMAKE_CXX_STANDARD 17)
-
-set(CMAKE_C_COMPILER "gcc")
-set(CMAKE_CXX_COMPILER "g++")
+set(CMAKE_C_STANDARD 11)
 
 link_directories(src)
 add_library(chuniio_brokenithm SHARED src/chuniio.c