diff --git a/src/doomdef.h b/src/doomdef.h
index e645c0848..cec46a32c 100644
--- a/src/doomdef.h
+++ b/src/doomdef.h
@@ -431,7 +431,7 @@ extern const char *compdate, *comptime, *comprevision, *compbranch;
 /// Kalaron/Eternity Engine slope code (SRB2CB ported)
 #define ESLOPE
 
-#if defined(ESLOPE)
+#ifdef ESLOPE
 /// Backwards compatibility with SRB2CB's slope linedef types.
 ///	\note	A simple shim that prints a warning.
 #define ESLOPE_TYPESHIM
diff --git a/src/p_slopes.c b/src/p_slopes.c
index 797c6a558..b6338d95d 100644
--- a/src/p_slopes.c
+++ b/src/p_slopes.c
@@ -275,7 +275,6 @@ void P_SpawnSlope_Line(int linenum)
 		ny = -FixedDiv(line->dx, len);
 	}
 
-	// TODO: Transform origin relative to the bounds of an individual FOF
 	origin.x = line->v1->x + (line->v2->x - line->v1->x)/2;
 	origin.y = line->v1->y + (line->v2->y - line->v1->y)/2;