diff --git a/includes/powder.h b/includes/powder.h
index dcf5d0322..29aac3b48 100644
--- a/includes/powder.h
+++ b/includes/powder.h
@@ -283,7 +283,9 @@ struct particle
 	int type;
 	int life, ctype;
 	float x, y, vx, vy;
+#ifdef OGLR
 	float lastX, lastY;
+#endif
 	float temp;
 	float pavg[2];
 	int flags;
diff --git a/src/elements/neut.c b/src/elements/neut.c
index afb052301..e3593f57a 100644
--- a/src/elements/neut.c
+++ b/src/elements/neut.c
@@ -40,8 +40,10 @@ int create_n_parts(int n, int x, int y, float vx, float vy, float temp, int t)//
 
 		parts[i].x = (float)x;
 		parts[i].y = (float)y;
+#ifdef OGLR
 		parts[i].lastX = (float)x;
 		parts[i].lastY = (float)y;
+#endif
 		parts[i].type = t;
 		parts[i].life = rand()%480+480;
 		parts[i].vx = r*cosf(a);
diff --git a/src/graphics.c b/src/graphics.c
index 0c4c9653f..c7611ff6f 100644
--- a/src/graphics.c
+++ b/src/graphics.c
@@ -1802,8 +1802,11 @@ void render_parts(pixel *vid)
 			ny = (int)(parts[i].y+0.5f);
 			fnx = parts[i].x;
 			fny = parts[i].y;
+#ifdef OGLR
 			flx = parts[i].lastX;
 			fly = parts[i].lastY;
+#endif
+
 
 			if(photons[ny][nx]&0xFF && !(ptypes[t].properties & TYPE_ENERGY) && t!=PT_STKM && t!=PT_STKM2 && t!=PT_FIGH)
 				continue;
diff --git a/src/powder.c b/src/powder.c
index 700a6d5e0..3861248bb 100644
--- a/src/powder.c
+++ b/src/powder.c
@@ -892,8 +892,10 @@ inline int create_part(int p, int x, int y, int tv)//the function for creating a
 	{
 		parts[i].x = (float)x;
 		parts[i].y = (float)y;
+#ifdef OGLR
 		parts[i].lastX = (float)x;
 		parts[i].lastY = (float)y;
+#endif
 		parts[i].type = t;
 		parts[i].vx = 0;
 		parts[i].vy = 0;
@@ -1037,8 +1039,10 @@ inline int create_part(int p, int x, int y, int tv)//the function for creating a
 		{
 			parts[i].x = (float)x;
 			parts[i].y = (float)y;
+#ifdef OGLR
 			parts[i].lastX = (float)x;
 			parts[i].lastY = (float)y;
+#endif
 			parts[i].type = PT_STKM;
 			parts[i].vx = 0;
 			parts[i].vy = 0;
@@ -1061,8 +1065,10 @@ inline int create_part(int p, int x, int y, int tv)//the function for creating a
 		{
 			parts[i].x = (float)x;
 			parts[i].y = (float)y;
+#ifdef OGLR
 			parts[i].lastX = (float)x;
 			parts[i].lastY = (float)y;
+#endif
 			parts[i].type = PT_STKM2;
 			parts[i].vx = 0;
 			parts[i].vy = 0;
@@ -1087,8 +1093,10 @@ inline int create_part(int p, int x, int y, int tv)//the function for creating a
 		{
 			parts[i].x = (float)x;
 			parts[i].y = (float)y;
+#ifdef OGLR
 			parts[i].lastX = (float)x;
 			parts[i].lastY = (float)y;
+#endif
 			parts[i].type = PT_FIGH;
 			parts[i].vx = 0;
 			parts[i].vy = 0;
@@ -1733,8 +1741,10 @@ void update_particles_i(pixel *vid, int start, int inc)
 		if (parts[i].type)
 		{
 			t = parts[i].type;
+#ifdef OGLR
 			parts[i].lastX = parts[i].x;
 			parts[i].lastY = parts[i].y;
+#endif
 			if (t<0 || t>=PT_NUM)
 			{
 				kill_part(i);
diff --git a/src/save.c b/src/save.c
index b5f3b3913..8f5b06007 100644
--- a/src/save.c
+++ b/src/save.c
@@ -1347,8 +1347,10 @@ int parse_save_OPS(void *save, int size, int replace, int x0, int y0, unsigned c
 						partsptr[newIndex].tmp2 = partsData[i++];
 					}
 					
+#ifdef OGLR
 					partsptr[newIndex].lastX = partsptr[newIndex].x - partsptr[newIndex].vx;
 					partsptr[newIndex].lastY = partsptr[newIndex].y - partsptr[newIndex].vy;
+#endif
 
 					if ((player.spwn == 1 && partsptr[newIndex].type==PT_STKM) || (player2.spwn == 1 && partsptr[newIndex].type==PT_STKM2))
 					{
@@ -2027,8 +2029,10 @@ int parse_save_PSv(void *save, int size, int replace, int x0, int y0, unsigned c
 			{
 				parts[i].vx = (d[p++]-127.0f)/16.0f;
 				parts[i].vy = (d[p++]-127.0f)/16.0f;
+#ifdef OGLR
 				parts[i].lastX = parts[i].x - parts[i].vx;
 				parts[i].lastY = parts[i].y - parts[i].vy;
+#endif
 			}
 			else
 				p += 2;