diff --git a/client.c b/client.c
index 0ec69f89..bc24c791 100644
--- a/client.c
+++ b/client.c
@@ -159,18 +159,6 @@ client_maybevisible(client_t *c, int screen)
     return false;
 }
 
-/** Returns true if a client is tagged
- * with one of the tags of the specified screen and is not hidden.
- * \param c The client to check.
- * \param screen Virtual screen number.
- * \return true if the client is visible, false otherwise.
- */
-bool
-client_isvisible(client_t *c, int screen)
-{
-    return (!c->ishidden && client_maybevisible(c, screen));
-}
-
 /** Get a client by its window.
  * \param w The client window to find.
  * \return A client pointer if found, NULL otherwise.
diff --git a/client.h b/client.h
index f2055bcd..0b183239 100644
--- a/client.h
+++ b/client.h
@@ -35,7 +35,6 @@
     } while(0)
 
 bool client_maybevisible(client_t *, int);
-bool client_isvisible(client_t *, int);
 client_t * client_getbywin(xcb_window_t);
 void client_stack(void);
 void client_ban(client_t *);
@@ -100,6 +99,18 @@ client_isfloating(client_t *c)
             || client_isfixed(c));
 }
 
+/** Returns true if a client is tagged
+ * with one of the tags of the specified screen and is not hidden.
+ * \param c The client to check.
+ * \param screen Virtual screen number.
+ * \return true if the client is visible, false otherwise.
+ */
+static inline bool
+client_isvisible(client_t *c, int screen)
+{
+    return (!c->ishidden && client_maybevisible(c, screen));
+}
+
 /** Check if a client has strut information.
  * \param c A client.
  * \return A boolean value, true if the client has strut information.