diff --git a/source/src/entities.cpp b/source/src/entities.cpp
index f0bc4367..8bf19786 100644
--- a/source/src/entities.cpp
+++ b/source/src/entities.cpp
@@ -30,9 +30,9 @@ void renderent(entity &e)
 
 void renderclip(entity &e)
 {
-    float radius = max(float(e.attr2), 0.1f);
-    vec bbmin(e.x - radius, e.y - radius, float(S(e.x, e.y)->floor+e.attr1)),
-        bbmax(e.x + radius, e.y + radius, bbmin.z + max(float(e.attr3), 1.0f));
+    float xradius = max(float(e.attr2), 0.1f), yradius = max(float(e.attr3), 0.1f);
+    vec bbmin(e.x - xradius, e.y - yradius, float(S(e.x, e.y)->floor+e.attr1)),
+        bbmax(e.x + xradius, e.y + yradius, bbmin.z + max(float(e.attr4), 0.1f));
 
     glDisable(GL_TEXTURE_2D);
     linestyle(1, 0xFF, 0xFF, 0);
diff --git a/source/src/physics.cpp b/source/src/physics.cpp
index e5829b87..2945789c 100644
--- a/source/src/physics.cpp
+++ b/source/src/physics.cpp
@@ -116,10 +116,9 @@ bool mmcollide(physent *d, float &hi, float &lo)           // collide with a map
         entity &e = ents[i];
         if(e.type==CLIP)
         {
-            const float r = e.attr2 + d->radius;
-            if(fabs(e.x-d->o.x)<r && fabs(e.y-d->o.y)<r)
+            if(fabs(e.x-d->o.x) < e.attr2 + d->radius && fabs(e.y-d->o.y) < e.attr3 + d->radius)
             {
-                const float cz = float(S(e.x, e.y)->floor+e.attr1), ch = max(float(e.attr3), 1.0f);
+                const float cz = float(S(e.x, e.y)->floor+e.attr1), ch = float(e.attr4);
                 const float dz = d->o.z-d->eyeheight;
                 if(dz<cz) { if(cz<hi) hi = cz; }
                 else if(cz+ch>lo) lo = cz+ch;
diff --git a/source/src/world.cpp b/source/src/world.cpp
index 8187d654..e457ee29 100644
--- a/source/src/world.cpp
+++ b/source/src/world.cpp
@@ -213,11 +213,6 @@ entity *newentity(int index, int x, int y, int z, char *what, int v1, int v2, in
 
     switch(type)
     {
-        case CLIP:
-            if(v2<0) e.attr2 = 0;
-            if(v3<=0) e.attr3 = 1;
-            break;
-
         case LIGHT:
             if(v1>64) e.attr1 = 64;
             if(!v1) e.attr1 = 16;