diff --git a/panda/src/particlesystem/geomParticleRenderer.cxx b/panda/src/particlesystem/geomParticleRenderer.cxx
index 86385d20f4..de43ef0736 100644
--- a/panda/src/particlesystem/geomParticleRenderer.cxx
+++ b/panda/src/particlesystem/geomParticleRenderer.cxx
@@ -106,7 +106,7 @@ resize_pool(int new_size) {
 //    Access : private
 ////////////////////////////////////////////////////////////////////
 
-INLINE void GeomParticleRenderer::
+void GeomParticleRenderer::
 kill_nodes(void) {
   pvector< PT(PandaNode) >::iterator vec_iter = _node_vector.begin();