diff --git a/src/p_spec.h b/src/p_spec.h
index 7cabf0ad3..c934d7312 100644
--- a/src/p_spec.h
+++ b/src/p_spec.h
@@ -87,7 +87,7 @@ const double CARRYFACTOR = 3 / 32.;
 bool	CheckIfExitIsGood (AActor *self, level_info_t *info);
 
 // at map load
-void P_InitSectorSpecial(sector_t *sector, int special, bool nothinkers);
+void P_InitSectorSpecial(sector_t *sector, int special);
 void	P_SpawnSpecials (void);
 
 // every tic
diff --git a/src/thingdef/thingdef_codeptr.cpp b/src/thingdef/thingdef_codeptr.cpp
index 14afa7114..4024b85bc 100644
--- a/src/thingdef/thingdef_codeptr.cpp
+++ b/src/thingdef/thingdef_codeptr.cpp
@@ -3038,7 +3038,6 @@ DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_SpawnParticle)
 			acc.X = accelx * c + accely * s;
 			acc.Y = accelx * s - accely * c;
 		}
-		pos = self->Vec3Offset(xoff, yoff, zoff);
 		P_SpawnParticle(self->Vec3Offset(pos), vel, acc, color, !!(flags & SPF_FULLBRIGHT), startalpha, lifetime, size, fadestep);
 	}
 	return 0;