diff --git a/src/native/common/arb/org_lwjgl_opengl_ARBColorBufferFloat.c b/src/native/common/arb/org_lwjgl_opengl_ARBColorBufferFloat.c
index e755c7c8..b70ab8de 100644
--- a/src/native/common/arb/org_lwjgl_opengl_ARBColorBufferFloat.c
+++ b/src/native/common/arb/org_lwjgl_opengl_ARBColorBufferFloat.c
@@ -63,4 +63,5 @@ JNIEXPORT void JNICALL Java_org_lwjgl_opengl_ARBColorBufferFloat_initNativeStubs
 }
 #ifdef __cplusplus
 }
-#endif
\ No newline at end of file
+#endif
+
diff --git a/src/native/common/common_tools.h b/src/native/common/common_tools.h
index d5fa0114..6a1beb24 100644
--- a/src/native/common/common_tools.h
+++ b/src/native/common/common_tools.h
@@ -41,6 +41,8 @@
 #define _COMMON_TOOLS_H
 
 #include <jni.h>
+#include <string.h>
+#include <stdlib.h>
 #include "org_lwjgl_Sys.h"
 
 #define EVENT_BUFFER_SIZE 256
diff --git a/src/native/common/ext/org_lwjgl_opengl_EXTPalettedTexture.c b/src/native/common/ext/org_lwjgl_opengl_EXTPalettedTexture.c
index b32cf3f7..9ac82876 100644
--- a/src/native/common/ext/org_lwjgl_opengl_EXTPalettedTexture.c
+++ b/src/native/common/ext/org_lwjgl_opengl_EXTPalettedTexture.c
@@ -120,4 +120,5 @@ JNIEXPORT void JNICALL Java_org_lwjgl_opengl_EXTPalettedTexture_initNativeStubs(
 }
 #ifdef __cplusplus
 }
-#endif
\ No newline at end of file
+#endif
+
diff --git a/src/native/linux/org_lwjgl_Sys.c b/src/native/linux/org_lwjgl_Sys.c
index 680434e7..7b9423b2 100644
--- a/src/native/linux/org_lwjgl_Sys.c
+++ b/src/native/linux/org_lwjgl_Sys.c
@@ -142,7 +142,6 @@ JNIEXPORT void JNICALL Java_org_lwjgl_Sys_nAlert(JNIEnv * env, jclass clazz, jst
 {
 	char * eMessageText = GetStringNativeChars(env, message);
 	char * cTitleBarText = GetStringNativeChars(env, title);
-	MessageBox(getCurrentHWND(), eMessageText, cTitleBarText, MB_OK | MB_TOPMOST);
 
 	printfDebug("*** Alert ***%s\n%s\n", cTitleBarText, eMessageText);