diff --git a/CMakeLists.txt b/CMakeLists.txt
index e671d8a..3cf9e53 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -284,11 +284,8 @@ if(WIN32)
     target_compile_definitions(${EXECUTABLE_NAME} PUBLIC
         _CRT_SECURE_NO_WARNINGS
         _CRT_NONSTDC_NO_WARNINGS
-    )
-else()
-    target_compile_definitions(${EXECUTABLE_NAME} PRIVATE
-        $<$<CONFIG:Debug>:_DEBUG>
-        $<$<CONFIG:RelWithDebInfo>:_DEBUG>
+        NOMINMAX
+        WIN32_LEAN_AND_MEAN
     )
 endif()
 
diff --git a/src/autorun.cc b/src/autorun.cc
index 5bb9bed..97aabd7 100644
--- a/src/autorun.cc
+++ b/src/autorun.cc
@@ -1,8 +1,6 @@
 #include "autorun.h"
 
 #ifdef _WIN32
-#define WIN32_LEAN_AND_MEAN
-#define NOMINMAX
 #include <windows.h>
 #endif
 
diff --git a/src/file_find.h b/src/file_find.h
index 112c51d..09b72b9 100644
--- a/src/file_find.h
+++ b/src/file_find.h
@@ -2,8 +2,6 @@
 #define FILE_FIND_H
 
 #if defined(_WIN32)
-#define WIN32_LEAN_AND_MEAN
-#define NOMINMAX
 #include <windows.h>
 #else
 #include <dirent.h>
diff --git a/src/platform_compat.cc b/src/platform_compat.cc
index 339739c..5297592 100644
--- a/src/platform_compat.cc
+++ b/src/platform_compat.cc
@@ -3,8 +3,6 @@
 #include <string.h>
 
 #ifdef _WIN32
-#define WIN32_LEAN_AND_MEAN
-#define NOMINMAX
 #include <windows.h>
 #endif
 
diff --git a/src/win32.h b/src/win32.h
index 6742458..cc5cc64 100644
--- a/src/win32.h
+++ b/src/win32.h
@@ -2,8 +2,6 @@
 #define WIN32_H
 
 #ifdef _WIN32
-#define WIN32_LEAN_AND_MEAN
-#define NOMINMAX
 #include <windows.h>
 #endif