diff --git a/engine/common/world.h b/engine/common/world.h
index 850a39b8a..b2ae955e5 100644
--- a/engine/common/world.h
+++ b/engine/common/world.h
@@ -284,10 +284,12 @@ void Q2BSP_FindTouchedLeafs(model_t *mod, struct pvscache_s *ent, float *mins, f
 
 
 /*sv_move.c*/
+#if defined(CSQC_DAT) || !defined(CLIENTONLY)
 qboolean World_CheckBottom (world_t *world, wedict_t *ent, vec3_t up);
 qboolean World_movestep (world_t *world, wedict_t *ent, vec3_t move, vec3_t axis[3], qboolean relink, qboolean noenemy, void (*set_move_trace)(pubprogfuncs_t *prinst, struct globalvars_s *pr_globals, trace_t *trace), struct globalvars_s *set_trace_globs);
 qboolean World_MoveToGoal (world_t *world, wedict_t *ent, float dist);
 qboolean World_GetEntGravityAxis(wedict_t *ent, vec3_t axis[3]);
+#endif
 
 //
 // sv_phys.c