diff --git a/CMakeLists.txt b/CMakeLists.txt
index c784f3c7c..e87cff331 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,7 +3,7 @@
 
 cmake_minimum_required(VERSION 3.16)
 
-project(googletest-distribution)
+project(googletest-distribution CXX)
 set(GOOGLETEST_VERSION 1.16.0)
 
 if(NOT CYGWIN AND NOT MSYS AND NOT ${CMAKE_SYSTEM_NAME} STREQUAL QNX)
diff --git a/googlemock/CMakeLists.txt b/googlemock/CMakeLists.txt
index 99b2411f3..a63f6cc02 100644
--- a/googlemock/CMakeLists.txt
+++ b/googlemock/CMakeLists.txt
@@ -37,7 +37,7 @@ endif()
 # ${gmock_BINARY_DIR}.
 # Language "C" is required for find_package(Threads).
 cmake_minimum_required(VERSION 3.13)
-project(gmock VERSION ${GOOGLETEST_VERSION} LANGUAGES CXX C)
+project(gmock VERSION ${GOOGLETEST_VERSION} LANGUAGES CXX)
 
 if (COMMAND set_up_hermetic_build)
   set_up_hermetic_build()
diff --git a/googletest/CMakeLists.txt b/googletest/CMakeLists.txt
index 2e5388945..53da11c7d 100644
--- a/googletest/CMakeLists.txt
+++ b/googletest/CMakeLists.txt
@@ -47,7 +47,7 @@ endif()
 # Project version.
 
 cmake_minimum_required(VERSION 3.13)
-project(gtest VERSION ${GOOGLETEST_VERSION} LANGUAGES CXX C)
+project(gtest VERSION ${GOOGLETEST_VERSION} LANGUAGES CXX)
 
 if (COMMAND set_up_hermetic_build)
   set_up_hermetic_build()