diff --git a/source/build/src/engine.cpp b/source/build/src/engine.cpp
index a7176bae2..23db1d7d4 100644
--- a/source/build/src/engine.cpp
+++ b/source/build/src/engine.cpp
@@ -73,7 +73,6 @@ int32_t globalflags;
 static int8_t tempbuf[MAXWALLS];
 
 // referenced from asm
-int32_t reciptable[2048];
 intptr_t asm1, asm2;
 int32_t globalx1, globaly2, globalx3, globaly3;
 
@@ -319,9 +318,6 @@ static int32_t engineLoadTables(void)
     {
         int32_t i;
 
-        for (i=0; i<2048; i++)
-            reciptable[i] = DivScale(2048, i+2048, 30);
-
         for (i=0; i<=512; i++)
             sintable[i] = bsinf(i);
         for (i=513; i<1024; i++)
diff --git a/source/build/src/engine_priv.h b/source/build/src/engine_priv.h
index 1baa6e87e..cb3e3e6f8 100644
--- a/source/build/src/engine_priv.h
+++ b/source/build/src/engine_priv.h
@@ -69,7 +69,6 @@ extern int32_t rx1[MAXWALLSB], ry1[MAXWALLSB];
 extern int16_t bunchp2[MAXWALLSB];
 extern int16_t numscans, numbunches;
 extern int32_t rxi[8], ryi[8];
-extern int32_t reciptable[2048];
 
 
 // int32_t wallmost(int16_t *mostbuf, int32_t w, int32_t sectnum, char dastat);
diff --git a/source/build/src/polymost.cpp b/source/build/src/polymost.cpp
index cf2674003..1cd1f55ec 100644
--- a/source/build/src/polymost.cpp
+++ b/source/build/src/polymost.cpp
@@ -915,16 +915,6 @@ skip: ;
 #endif
 }
 
-// Moved in from pragmas.h
-static inline int32_t krecipasm(int32_t i)
-{
-    // Ken did this
-    union { int32_t i; float f; } x;
-    x.f = (float)i;
-    i = x.i;
-    return ((reciptable[(i >> 12) & 2047] >> (((i - 0x3f800000) >> 23) & 31)) ^ (i >> 31));
-}
-
 // variables that are set to ceiling- or floor-members, depending
 // on which one is processed right now
 static int32_t global_cf_z;
@@ -956,14 +946,14 @@ static void polymost_internal_nonparallaxed(vec2f_t n0, vec2f_t n1, float ryp0,
                             wall[wall[sec->wallptr].point2].y - wall[sec->wallptr].y };
         float r;
 
+        int length = ksqrt(uhypsq(xy.x, xy.y));
         if (globalorientation & 2)
         {
-            int i = krecipasm(ksqrt(uhypsq(xy.x,xy.y)));
-            r = i * (1.f/1073741824.f);
+            r = 1.f / length;
         }
         else
         {
-            int i = ksqrt(uhypsq(xy.x,xy.y)); if (i == 0) i = 1024; else i = 1048576 / i;
+            int i; if (length == 0) i = 1024; else i = 1048576 / length; // consider integer truncation
             r = i * (1.f/1048576.f);
         }