diff --git a/cmake/3rdparty/extra-cmake-modules/find-modules/FindEGL.cmake b/cmake/3rdparty/extra-cmake-modules/find-modules/FindEGL.cmake
index 16dc1768ea9..a3573bacd4d 100644
--- a/cmake/3rdparty/extra-cmake-modules/find-modules/FindEGL.cmake
+++ b/cmake/3rdparty/extra-cmake-modules/find-modules/FindEGL.cmake
@@ -123,7 +123,7 @@ list(APPEND CMAKE_REQUIRED_DEFINITIONS "${EGL_DEFINITIONS}")
 check_cxx_source_compiles("
 #include <EGL/egl.h>
 
-int main(int argc, char *argv[]) {
+int main(int, char **) {
     EGLint x = 0; EGLDisplay dpy = 0; EGLContext ctx = 0;
     eglDestroyContext(dpy, ctx);
 }" HAVE_EGL)
diff --git a/cmake/FindGLESv2.cmake b/cmake/FindGLESv2.cmake
index 8f3cbad5c1a..25b9044bb28 100644
--- a/cmake/FindGLESv2.cmake
+++ b/cmake/FindGLESv2.cmake
@@ -26,7 +26,7 @@ else()
 #  include <GLES2/gl2.h>
 #endif
 
-int main(int argc, char *argv[]) {
+int main(int, char **) {
     glUniform1f(1, GLfloat(1.0));
     glClear(GL_COLOR_BUFFER_BIT);
 }" HAVE_GLESv2)
diff --git a/cmake/FindWrapRt.cmake b/cmake/FindWrapRt.cmake
index 779d18d1a0d..95be415b501 100644
--- a/cmake/FindWrapRt.cmake
+++ b/cmake/FindWrapRt.cmake
@@ -21,7 +21,7 @@ check_cxx_source_compiles("
 #include <unistd.h>
 #include <time.h>
 
-int main(int argc, char *argv[]) {
+int main(int, char **) {
     timespec ts; clock_gettime(CLOCK_REALTIME, &ts);
 }" HAVE_GETTIME)