diff --git a/include/haproxy/activity.h b/include/haproxy/activity.h
index 421697c00..42b0c8793 100644
--- a/include/haproxy/activity.h
+++ b/include/haproxy/activity.h
@@ -24,8 +24,6 @@
 
 #include <haproxy/activity-t.h>
 #include <haproxy/api.h>
-#include <haproxy/freq_ctr.h>
-#include <haproxy/xxhash.h>
 
 extern unsigned int profiling;
 extern unsigned long task_profiling_mask;
@@ -34,32 +32,7 @@ extern struct sched_activity sched_activity[256];
 
 void report_stolen_time(uint64_t stolen);
 void activity_count_runtime();
-
-/* Computes the index of function pointer <func> for use with sched_activity[]
- * or any other similar array passed in <array>, and returns a pointer to the
- * entry after having atomically assigned it to this function pointer. Note
- * that in case of collision, the first entry is returned instead ("other").
- */
-static inline struct sched_activity *sched_activity_entry(struct sched_activity *array, const void *func)
-{
-	uint64_t hash = XXH64_avalanche(XXH64_mergeRound((size_t)func, (size_t)func));
-	struct sched_activity *ret;
-	const void *old = NULL;
-
-	hash ^= (hash >> 32);
-	hash ^= (hash >> 16);
-	hash ^= (hash >> 8);
-	hash &= 0xff;
-	ret = &array[hash];
-
-	if (likely(ret->func == func))
-		return ret;
-
-	if (HA_ATOMIC_CAS(&ret->func, &old, func))
-		return ret;
-
-	return array;
-}
+struct sched_activity *sched_activity_entry(struct sched_activity *array, const void *func);
 
 #endif /* _HAPROXY_ACTIVITY_H */
 
diff --git a/src/activity.c b/src/activity.c
index 90a1ef96b..c3010c5f3 100644
--- a/src/activity.c
+++ b/src/activity.c
@@ -19,6 +19,7 @@
 #include <haproxy/stream_interface.h>
 #include <haproxy/time.h>
 #include <haproxy/tools.h>
+#include <haproxy/xxhash.h>
 
 #if defined(DEBUG_MEM_STATS)
 /* these ones are macros in bug.h when DEBUG_MEM_STATS is set, and will
@@ -558,6 +559,32 @@ static int cmp_memprof_addr(const void *a, const void *b)
 }
 #endif // USE_MEMORY_PROFILING
 
+/* Computes the index of function pointer <func> for use with sched_activity[]
+ * or any other similar array passed in <array>, and returns a pointer to the
+ * entry after having atomically assigned it to this function pointer. Note
+ * that in case of collision, the first entry is returned instead ("other").
+ */
+struct sched_activity *sched_activity_entry(struct sched_activity *array, const void *func)
+{
+	uint64_t hash = XXH64_avalanche(XXH64_mergeRound((size_t)func, (size_t)func));
+	struct sched_activity *ret;
+	const void *old = NULL;
+
+	hash ^= (hash >> 32);
+	hash ^= (hash >> 16);
+	hash ^= (hash >> 8);
+	hash &= 0xff;
+	ret = &array[hash];
+
+	if (likely(ret->func == func))
+		return ret;
+
+	if (HA_ATOMIC_CAS(&ret->func, &old, func))
+		return ret;
+
+	return array;
+}
+
 /* This function dumps all profiling settings. It returns 0 if the output
  * buffer is full and it needs to be called again, otherwise non-zero.
  * It dumps some parts depending on the following states: