diff --git a/test/aligned_alloc.c b/test/aligned_alloc.c
index 81b8f933..81caa0ad 100644
--- a/test/aligned_alloc.c
+++ b/test/aligned_alloc.c
@@ -1,10 +1,3 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdint.h>
-#include <unistd.h>
-#include <errno.h>
-#include <string.h>
-
 #define	JEMALLOC_MANGLE
 #include "jemalloc_test.h"
 
diff --git a/test/allocated.c b/test/allocated.c
index 00039ed8..9884905d 100644
--- a/test/allocated.c
+++ b/test/allocated.c
@@ -1,11 +1,3 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdint.h>
-#include <stdbool.h>
-#include <assert.h>
-#include <errno.h>
-#include <string.h>
-
 #define	JEMALLOC_MANGLE
 #include "jemalloc_test.h"
 
diff --git a/test/allocm.c b/test/allocm.c
index c6bc6f83..80be673b 100644
--- a/test/allocm.c
+++ b/test/allocm.c
@@ -1,7 +1,3 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdint.h>
-
 #define	JEMALLOC_MANGLE
 #include "jemalloc_test.h"
 
diff --git a/test/bitmap.c b/test/bitmap.c
index ee9b1ecc..ff50ecb3 100644
--- a/test/bitmap.c
+++ b/test/bitmap.c
@@ -1,12 +1,6 @@
 #define	JEMALLOC_MANGLE
 #include "jemalloc_test.h"
 
-/*
- * Avoid using the assert() from jemalloc_internal.h, since it requires
- * internal libjemalloc functionality.
- * */
-#include <assert.h>
-
 #if (LG_BITMAP_MAXBITS > 12)
 #  define MAXBITS	4500
 #else
diff --git a/test/mremap.c b/test/mremap.c
index 84c03491..47efa7c4 100644
--- a/test/mremap.c
+++ b/test/mremap.c
@@ -1,9 +1,3 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <assert.h>
-#include <errno.h>
-#include <string.h>
-
 #define	JEMALLOC_MANGLE
 #include "jemalloc_test.h"
 
diff --git a/test/posix_memalign.c b/test/posix_memalign.c
index e1302df2..2185bcf7 100644
--- a/test/posix_memalign.c
+++ b/test/posix_memalign.c
@@ -1,10 +1,3 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdint.h>
-#include <unistd.h>
-#include <errno.h>
-#include <string.h>
-
 #define	JEMALLOC_MANGLE
 #include "jemalloc_test.h"
 
diff --git a/test/rallocm.c b/test/rallocm.c
index f2a47708..c5dedf48 100644
--- a/test/rallocm.c
+++ b/test/rallocm.c
@@ -1,9 +1,3 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <assert.h>
-
 #define	JEMALLOC_MANGLE
 #include "jemalloc_test.h"
 
diff --git a/test/thread_arena.c b/test/thread_arena.c
index 98354282..2020d994 100644
--- a/test/thread_arena.c
+++ b/test/thread_arena.c
@@ -1,8 +1,3 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <assert.h>
-
 #define	JEMALLOC_MANGLE
 #include "jemalloc_test.h"
 
diff --git a/test/thread_tcache_enabled.c b/test/thread_tcache_enabled.c
index 9f765841..2061b7bb 100644
--- a/test/thread_tcache_enabled.c
+++ b/test/thread_tcache_enabled.c
@@ -1,9 +1,3 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdbool.h>
-#include <assert.h>
-#include <errno.h>
-
 #define	JEMALLOC_MANGLE
 #include "jemalloc_test.h"