diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index e18b14aa..624483e9 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -63,7 +63,7 @@ elseif (_GLFW_OSMESA)
 endif()
 
 if (_GLFW_X11 OR _GLFW_WAYLAND)
-    if ("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
+    if (CMAKE_SYSTEM_NAME STREQUAL "Linux")
         set(glfw_HEADERS ${glfw_HEADERS} linux_joystick.h)
         set(glfw_SOURCES ${glfw_SOURCES} linux_joystick.c)
     else()
@@ -73,7 +73,7 @@ if (_GLFW_X11 OR _GLFW_WAYLAND)
 endif()
 
 # Workaround for CMake not knowing about .m files before version 3.16
-if ("${CMAKE_VERSION}" VERSION_LESS "3.16" AND APPLE)
+if (CMAKE_VERSION VERSION_LESS "3.16" AND APPLE)
     set_source_files_properties(cocoa_init.m cocoa_joystick.m cocoa_monitor.m
                                 cocoa_window.m nsgl_context.m PROPERTIES
                                 LANGUAGE C)
@@ -87,8 +87,8 @@ set_target_properties(glfw PROPERTIES
                       POSITION_INDEPENDENT_CODE ON
                       FOLDER "GLFW3")
 
-if (${CMAKE_VERSION} VERSION_EQUAL "3.1.0" OR
-    ${CMAKE_VERSION} VERSION_GREATER "3.1.0")
+if (CMAKE_VERSION VERSION_EQUAL "3.1.0" OR
+    CMAKE_VERSION VERSION_GREATER "3.1.0")
 
     set_target_properties(glfw PROPERTIES C_STANDARD 99)
 else()
@@ -111,7 +111,7 @@ target_link_libraries(glfw PRIVATE ${glfw_LIBRARIES})
 
 # Make GCC warn about declarations that VS 2010 and 2012 won't accept for all
 # source files that VS will build (Clang ignores this because we set -std=c99)
-if ("${CMAKE_C_COMPILER_ID}" STREQUAL "GNU")
+if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
     set_source_files_properties(context.c init.c input.c monitor.c vulkan.c
                                 window.c win32_init.c win32_joystick.c
                                 win32_monitor.c win32_time.c win32_thread.c
@@ -121,11 +121,11 @@ if ("${CMAKE_C_COMPILER_ID}" STREQUAL "GNU")
 endif()
 
 # Enable a reasonable set of warnings
-if ("${CMAKE_C_COMPILER_ID}" STREQUAL "GNU" OR
-    "${CMAKE_C_COMPILER_ID}" STREQUAL "Clang" OR
-    "${CMAKE_C_COMPILER_ID}" STREQUAL "AppleClang")
+if (CMAKE_C_COMPILER_ID STREQUAL "GNU" OR
+    CMAKE_C_COMPILER_ID STREQUAL "Clang" OR
+    CMAKE_C_COMPILER_ID STREQUAL "AppleClang")
 
-    if ("${CMAKE_C_SIMULATE_ID}" STREQUAL "MSVC")
+    if (CMAKE_C_SIMULATE_ID STREQUAL "MSVC")
         # Tell Clang-CL that this is a Clang flag
         target_compile_options(glfw PRIVATE "/clang:-Wall")
     else()