diff --git a/include/jemalloc/internal/arena_structs_b.h b/include/jemalloc/internal/arena_structs_b.h
index b6ba3dbc..935cd169 100644
--- a/include/jemalloc/internal/arena_structs_b.h
+++ b/include/jemalloc/internal/arena_structs_b.h
@@ -1,5 +1,8 @@
 #ifndef JEMALLOC_INTERNAL_ARENA_STRUCTS_B_H
 #define JEMALLOC_INTERNAL_ARENA_STRUCTS_B_H
+
+#include "jemalloc/internal/ql.h"
+
 /*
  * Read-only information associated with each element of arena_t's bins array
  * is stored separately, partly to reduce memory usage (only one copy, rather
diff --git a/include/jemalloc/internal/ctl_structs.h b/include/jemalloc/internal/ctl_structs.h
index af0f78b9..2b48a68e 100644
--- a/include/jemalloc/internal/ctl_structs.h
+++ b/include/jemalloc/internal/ctl_structs.h
@@ -1,6 +1,8 @@
 #ifndef JEMALLOC_INTERNAL_CTL_STRUCTS_H
 #define JEMALLOC_INTERNAL_CTL_STRUCTS_H
 
+#include "jemalloc/internal/ql.h"
+
 struct ctl_node_s {
 	bool			named;
 };
diff --git a/include/jemalloc/internal/extent_inlines.h b/include/jemalloc/internal/extent_inlines.h
index f1b94776..6fc01017 100644
--- a/include/jemalloc/internal/extent_inlines.h
+++ b/include/jemalloc/internal/extent_inlines.h
@@ -1,6 +1,8 @@
 #ifndef JEMALLOC_INTERNAL_EXTENT_INLINES_H
 #define JEMALLOC_INTERNAL_EXTENT_INLINES_H
 
+#include "jemalloc/internal/ql.h"
+
 #ifndef JEMALLOC_ENABLE_INLINE
 arena_t *extent_arena_get(const extent_t *extent);
 szind_t extent_szind_get_maybe_invalid(const extent_t *extent);
diff --git a/include/jemalloc/internal/extent_structs.h b/include/jemalloc/internal/extent_structs.h
index 87107a88..2f81fa1c 100644
--- a/include/jemalloc/internal/extent_structs.h
+++ b/include/jemalloc/internal/extent_structs.h
@@ -2,6 +2,7 @@
 #define JEMALLOC_INTERNAL_EXTENT_STRUCTS_H
 
 #include "jemalloc/internal/ph.h"
+#include "jemalloc/internal/ql.h"
 
 typedef enum {
 	extent_state_active   = 0,
diff --git a/include/jemalloc/internal/jemalloc_internal.h.in b/include/jemalloc/internal/jemalloc_internal.h.in
index fdeda7b6..58240e39 100644
--- a/include/jemalloc/internal/jemalloc_internal.h.in
+++ b/include/jemalloc/internal/jemalloc_internal.h.in
@@ -180,8 +180,6 @@ static const bool have_percpu_arena =
 #include <mach/vm_map.h>
 #endif
 
-#include "jemalloc/internal/ql.h"
-
 /*
  * jemalloc can conceptually be broken into components (arena, tcache, etc.),
  * but there are circular dependencies that cannot be broken without
diff --git a/include/jemalloc/internal/tcache_structs.h b/include/jemalloc/internal/tcache_structs.h
index 4e101609..c43e59b7 100644
--- a/include/jemalloc/internal/tcache_structs.h
+++ b/include/jemalloc/internal/tcache_structs.h
@@ -1,6 +1,8 @@
 #ifndef JEMALLOC_INTERNAL_TCACHE_STRUCTS_H
 #define JEMALLOC_INTERNAL_TCACHE_STRUCTS_H
 
+#include "jemalloc/internal/ql.h"
+
 /*
  * Read-only information associated with each element of tcache_t's tbins array
  * is stored separately, mainly to reduce memory usage.
diff --git a/include/jemalloc/internal/tsd_structs.h b/include/jemalloc/internal/tsd_structs.h
index 7f34d1b4..ac74152c 100644
--- a/include/jemalloc/internal/tsd_structs.h
+++ b/include/jemalloc/internal/tsd_structs.h
@@ -1,6 +1,8 @@
 #ifndef JEMALLOC_INTERNAL_TSD_STRUCTS_H
 #define JEMALLOC_INTERNAL_TSD_STRUCTS_H
 
+#include "jemalloc/internal/ql.h"
+
 #if (!defined(JEMALLOC_MALLOC_THREAD_CLEANUP) && !defined(JEMALLOC_TLS) && \
     !defined(_WIN32))
 struct tsd_init_block_s {
diff --git a/include/jemalloc/internal/tsd_types.h b/include/jemalloc/internal/tsd_types.h
index 4d5fef57..27afd1d6 100644
--- a/include/jemalloc/internal/tsd_types.h
+++ b/include/jemalloc/internal/tsd_types.h
@@ -1,6 +1,8 @@
 #ifndef JEMALLOC_INTERNAL_TSD_TYPES_H
 #define JEMALLOC_INTERNAL_TSD_TYPES_H
 
+#include "jemalloc/internal/ql.h"
+
 /* Maximum number of malloc_tsd users with cleanup functions. */
 #define MALLOC_TSD_CLEANUPS_MAX	2
 
diff --git a/include/jemalloc/internal/witness_inlines.h b/include/jemalloc/internal/witness_inlines.h
index 51f3f6e7..c5027f11 100644
--- a/include/jemalloc/internal/witness_inlines.h
+++ b/include/jemalloc/internal/witness_inlines.h
@@ -1,6 +1,8 @@
 #ifndef JEMALLOC_INTERNAL_WITNESS_INLINES_H
 #define JEMALLOC_INTERNAL_WITNESS_INLINES_H
 
+#include "jemalloc/internal/ql.h"
+
 #ifndef JEMALLOC_ENABLE_INLINE
 bool	witness_owner(tsd_t *tsd, const witness_t *witness);
 void	witness_assert_owner(tsdn_t *tsdn, const witness_t *witness);
diff --git a/include/jemalloc/internal/witness_types.h b/include/jemalloc/internal/witness_types.h
index 95fc296c..d43a363b 100644
--- a/include/jemalloc/internal/witness_types.h
+++ b/include/jemalloc/internal/witness_types.h
@@ -1,6 +1,8 @@
 #ifndef JEMALLOC_INTERNAL_WITNESS_TYPES_H
 #define JEMALLOC_INTERNAL_WITNESS_TYPES_H
 
+#include "jemalloc/internal/ql.h"
+
 typedef struct witness_s witness_t;
 typedef unsigned witness_rank_t;
 typedef ql_head(witness_t) witness_list_t;
diff --git a/test/unit/ql.c b/test/unit/ql.c
index ae6481fd..b76c24c4 100644
--- a/test/unit/ql.c
+++ b/test/unit/ql.c
@@ -1,5 +1,7 @@
 #include "test/jemalloc_test.h"
 
+#include "jemalloc/internal/ql.h"
+
 /* Number of ring entries, in [2..26]. */
 #define NENTRIES 9