diff --git a/src/p_slopes.c b/src/p_slopes.c
index a1bfb01c3a2c78d36a5adad0ae6d75ac81fa4db5..ed9623e087f9a37db726b6150378f500c8844f8b 100644
--- a/src/p_slopes.c
+++ b/src/p_slopes.c
@@ -772,21 +772,7 @@ fixed_t P_GetZAt(pslope_t *slope, fixed_t x, fixed_t y)
 
    return slope->o.z + FixedMul(dist, slope->zdelta);
 }
-#ifdef SPRINGCLEAN
-//
-// P_GetZAtf
-//
-// Returns the height of the sloped plane at (x, y) as a float
-//
-float P_GetZAtf(pslope_t *slope, float x, float y)
-{
-	//if (!slope) // SRB2CBTODO: keep this when done with debugging
-	//	I_Error("P_GetZAtf: slope parameter is NULL");
 
-   float dist = (x - slope->of.x) * slope->df.x + (y - slope->of.y) * slope->df.y;
-   return slope->of.z + (dist * slope->zdeltaf);
-}
-#endif
 
 //
 // P_QuantizeMomentumToSlope
diff --git a/src/p_slopes.h b/src/p_slopes.h
index 916690fe74c5b321e4db7904b8dbde0cc714fccf..52988c18ff44064cb94a83a0603ec510899bec7d 100644
--- a/src/p_slopes.h
+++ b/src/p_slopes.h
@@ -66,11 +66,6 @@ void P_CopySectorSlope(line_t *line);
 // Returns the height of the sloped plane at (x, y) as a fixed_t
 fixed_t P_GetZAt(pslope_t *slope, fixed_t x, fixed_t y);
 
-
-// Returns the height of the sloped plane at (x, y) as a float
-float P_GetZAtf(pslope_t *slope, float x, float y);
-
-
 // Lots of physics-based bullshit
 void P_QuantizeMomentumToSlope(vector3_t *momentum, pslope_t *slope);
 void P_SlopeLaunch(mobj_t *mo);