diff --git a/h_malloc.c b/h_malloc.c
index b4b19e0..39ba84d 100644
--- a/h_malloc.c
+++ b/h_malloc.c
@@ -6,9 +6,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <threads.h>
 
-#include <malloc.h>
 #include <pthread.h>
 #include <unistd.h>
 
@@ -62,7 +60,7 @@ static_assert(N_ARENA <= 256, "maximum number of arenas is currently 256");
 
 #if N_ARENA > 1
 __attribute__((tls_model("initial-exec")))
-static thread_local unsigned thread_arena = N_ARENA;
+static _Thread_local unsigned thread_arena = N_ARENA;
 static atomic_uint thread_arena_counter = 0;
 #else
 static const unsigned thread_arena = 0;
diff --git a/memory.c b/memory.c
index 2d995ef..04afc23 100644
--- a/memory.c
+++ b/memory.c
@@ -1,7 +1,10 @@
 #include <errno.h>
 
 #include <sys/mman.h>
+
+#ifdef LABEL_MEMORY
 #include <sys/prctl.h>
+#endif
 
 #ifndef PR_SET_VMA
 #define PR_SET_VMA 0x53564d41
diff --git a/test/impossibly_large_malloc.c b/test/impossibly_large_malloc.c
index 42b35df..63cdc0c 100644
--- a/test/impossibly_large_malloc.c
+++ b/test/impossibly_large_malloc.c
@@ -1,5 +1,4 @@
-#include <malloc.h>
-#include <stddef.h>
+#include <stdlib.h>
 
 #include "test_util.h"
 
diff --git a/test/invalid_malloc_object_size_small.c b/test/invalid_malloc_object_size_small.c
index 9adac5f..33cc78f 100644
--- a/test/invalid_malloc_object_size_small.c
+++ b/test/invalid_malloc_object_size_small.c
@@ -1,4 +1,4 @@
-#include <malloc.h>
+#include <stdlib.h>
 
 #include "test_util.h"
 
diff --git a/test/invalid_malloc_object_size_small_quarantine.c b/test/invalid_malloc_object_size_small_quarantine.c
index 9a365ae..1a26bc0 100644
--- a/test/invalid_malloc_object_size_small_quarantine.c
+++ b/test/invalid_malloc_object_size_small_quarantine.c
@@ -1,4 +1,4 @@
-#include <malloc.h>
+#include <stdlib.h>
 
 #include "test_util.h"
 
diff --git a/test/mallinfo.c b/test/mallinfo.c
index d38f92f..6008040 100644
--- a/test/mallinfo.c
+++ b/test/mallinfo.c
@@ -1,6 +1,9 @@
+#include <stdlib.h>
 #include <stdio.h>
 
+#if defined(__GLIBC__) || defined(__ANDROID__)
 #include <malloc.h>
+#endif
 
 #include "test_util.h"
 
diff --git a/test/mallinfo2.c b/test/mallinfo2.c
index 66c3445..ccabf48 100644
--- a/test/mallinfo2.c
+++ b/test/mallinfo2.c
@@ -1,6 +1,9 @@
 #include <stdio.h>
+#include <stdlib.h>
 
+#if defined(__GLIBC__)
 #include <malloc.h>
+#endif
 
 #include "test_util.h"
 
diff --git a/test/malloc_info.c b/test/malloc_info.c
index 3eda5e3..50b256f 100644
--- a/test/malloc_info.c
+++ b/test/malloc_info.c
@@ -1,7 +1,9 @@
 #include <pthread.h>
 #include <stdio.h>
 
+#if defined(__GLIBC__) || defined(__ANDROID__)
 #include <malloc.h>
+#endif
 
 #include "test_util.h"
 #include "../util.h"
diff --git a/test/malloc_object_size.c b/test/malloc_object_size.c
index 0710557..5ab9280 100644
--- a/test/malloc_object_size.c
+++ b/test/malloc_object_size.c
@@ -1,5 +1,5 @@
 #include <stdbool.h>
-#include <malloc.h>
+#include <stdlib.h>
 
 #include "test_util.h"
 
diff --git a/test/malloc_object_size_offset.c b/test/malloc_object_size_offset.c
index 3e30be9..d605906 100644
--- a/test/malloc_object_size_offset.c
+++ b/test/malloc_object_size_offset.c
@@ -1,5 +1,5 @@
 #include <stdbool.h>
-#include <malloc.h>
+#include <stdlib.h>
 
 #include "test_util.h"
 
diff --git a/test/write_after_free_large.c b/test/write_after_free_large.c
index e431916..9561b9f 100644
--- a/test/write_after_free_large.c
+++ b/test/write_after_free_large.c
@@ -1,5 +1,4 @@
 #include <stdlib.h>
-#include <string.h>
 
 #include "test_util.h"
 
diff --git a/test/write_after_free_small.c b/test/write_after_free_small.c
index 0334ae9..7850cd6 100644
--- a/test/write_after_free_small.c
+++ b/test/write_after_free_small.c
@@ -1,5 +1,4 @@
 #include <stdlib.h>
-#include <string.h>
 
 #include "test_util.h"
 
diff --git a/test/write_after_free_small_reuse.c b/test/write_after_free_small_reuse.c
index fb8071a..3318a91 100644
--- a/test/write_after_free_small_reuse.c
+++ b/test/write_after_free_small_reuse.c
@@ -1,5 +1,4 @@
 #include <stdlib.h>
-#include <string.h>
 
 #include "test_util.h"
 #include "../util.h"
diff --git a/test/write_zero_size.c b/test/write_zero_size.c
index 1b54216..49d26ea 100644
--- a/test/write_zero_size.c
+++ b/test/write_zero_size.c
@@ -1,5 +1,4 @@
 #include <stdlib.h>
-#include <stdio.h>
 
 #include "test_util.h"