diff --git a/Libraries/LibC/cxxabi.cpp b/Libraries/LibC/cxxabi.cpp
index 68c9e33f3ea..cc920dec89d 100644
--- a/Libraries/LibC/cxxabi.cpp
+++ b/Libraries/LibC/cxxabi.cpp
@@ -28,13 +28,12 @@
 #include <assert.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <sys/internals.h>
 
 //#define GLOBAL_DTORS_DEBUG
 
 extern "C" {
 
-typedef void (*AtExitFunction)(void*);
-
 struct __exit_entry {
     AtExitFunction method;
     void* parameter;
@@ -83,4 +82,16 @@ void __cxa_finalize(void* dso_handle)
     }
 }
 
+[[noreturn]] void __cxa_pure_virtual()
+{
+    ASSERT_NOT_REACHED();
+}
+
+extern u32 __stack_chk_guard;
+u32 __stack_chk_guard = (u32)0xc6c7c8c9;
+
+[[noreturn]] void __stack_chk_fail()
+{
+    ASSERT_NOT_REACHED();
+}
 } // extern "C"
diff --git a/Libraries/LibC/libcinit.cpp b/Libraries/LibC/libcinit.cpp
index 8f97a51737f..22e7eb62e90 100644
--- a/Libraries/LibC/libcinit.cpp
+++ b/Libraries/LibC/libcinit.cpp
@@ -40,20 +40,4 @@ void __libc_init()
     __malloc_init();
     __stdio_init();
 }
-
-[[noreturn]] void __cxa_pure_virtual() __attribute__((weak));
-
-[[noreturn]] void __cxa_pure_virtual()
-{
-    ASSERT_NOT_REACHED();
-}
-
-extern u32 __stack_chk_guard;
-u32 __stack_chk_guard = (u32)0xc6c7c8c9;
-
-[[noreturn]] void __stack_chk_fail();
-[[noreturn]] void __stack_chk_fail()
-{
-    ASSERT_NOT_REACHED();
-}
 }
diff --git a/Libraries/LibC/stdlib.cpp b/Libraries/LibC/stdlib.cpp
index 960ba25926e..b1cea40aa00 100644
--- a/Libraries/LibC/stdlib.cpp
+++ b/Libraries/LibC/stdlib.cpp
@@ -40,6 +40,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <sys/internals.h>
 #include <sys/mman.h>
 #include <sys/stat.h>
 #include <sys/wait.h>
@@ -197,10 +198,6 @@ __attribute__((warn_unused_result)) int __generate_unique_filename(char* pattern
 
 extern "C" {
 
-// Itanium C++ ABI methods defined in crt0.cpp
-extern int __cxa_atexit(void (*function)(void*), void* paramter, void* dso_handle);
-extern void __cxa_finalize(void* dso_handle);
-
 void exit(int status)
 {
     __cxa_finalize(nullptr);
diff --git a/Libraries/LibC/sys/internals.h b/Libraries/LibC/sys/internals.h
index d86f616b5c5..0ddde4037b5 100644
--- a/Libraries/LibC/sys/internals.h
+++ b/Libraries/LibC/sys/internals.h
@@ -30,10 +30,17 @@
 
 __BEGIN_DECLS
 
+typedef void (*AtExitFunction)(void*);
+
 extern void __libc_init();
 extern void __malloc_init();
 extern void __stdio_init();
 extern void _init();
 extern bool __environ_is_malloced;
 
+int __cxa_atexit(AtExitFunction exit_function, void* parameter, void* dso_handle);
+void __cxa_finalize(void* dso_handle);
+[[noreturn]] void __cxa_pure_virtual() __attribute__((weak));
+[[noreturn]] void __stack_chk_fail();
+
 __END_DECLS