diff --git a/panda/src/particlesystem/particleSystem.h b/panda/src/particlesystem/particleSystem.h
index dd9ae22e3b..5a434f8769 100644
--- a/panda/src/particlesystem/particleSystem.h
+++ b/panda/src/particlesystem/particleSystem.h
@@ -7,9 +7,7 @@
 //#define PSDEBUG
 #endif
 
-#define PSSANITYCHECK
-
-#define DYNAMIC_POOL_RESIZING
+//#define PSSANITYCHECK
 
 #ifndef PARTICLESYSTEM_H
 #define PARTICLESYSTEM_H
@@ -41,10 +39,6 @@ private:
   int sanity_check();
 #endif
 
-#ifndef DYNAMIC_POOL_RESIZING
-  INLINE void set_pool_size(int size);
-#endif
-
   bool birth_particle(void);
   void kill_particle(int pool_index);
   void birth_litter(void);
@@ -99,9 +93,7 @@ PUBLISHED:
   ~ParticleSystem(void);
 
   // access/queries
-#ifdef DYNAMIC_POOL_RESIZING
   INLINE void set_pool_size(int size);
-#endif
   INLINE void set_birth_rate(float new_br);
   INLINE void set_litter_size(int new_ls);
   INLINE void set_litter_spread(int new_ls);