diff --git a/IV/tests.sql b/IV/tests.sql
index 9d2fa69..09c7a95 100644
--- a/IV/tests.sql
+++ b/IV/tests.sql
@@ -18,14 +18,13 @@ insert into figures (name, way) values ('fig3-1',ST_GeomFromText('LINESTRING(0 0
 insert into figures (name, way) values ('fig5',ST_GeomFromText('LINESTRING(0 39,19 52,27 77,26 104,41 115,49 115,65 103,65 75,53 45,63 15,91 0)'));
 insert into figures (name, way) values ('inflection-1',ST_GeomFromText('LINESTRING(110 24,114 20,133 20,145 15,145 0,136 5,123 7,114 7,111 2)'));
 
--- tables are for manual inspection using, say, qgis
+-- DETECT BENDS
 drop table if exists bends;
 create table bends (name text, way geometry);
 insert into bends select 'fig3', unnest(detect_bends((select way from figures where name='fig3')));
 insert into bends select 'fig5', unnest(detect_bends((select way from figures where name='fig5')));
 insert into bends select 'inflection-1', unnest(detect_bends((select way from figures where name='inflection-1')));
 
--- DETECT BENDS
 do $$
 declare
   vbends geometry[];
@@ -41,13 +40,13 @@ begin
   perform assert_equals(3, array_length(vbends, 1));
 end $$ language plpgsql;
 
+-- FIX BEND INFLECTIONS
 drop table if exists inflections;
 create table inflections (name text, way geometry);
 insert into inflections select 'fig3', unnest(fix_gentle_inflections(detect_bends((select way from figures where name='fig3'))));
 insert into inflections select 'fig5', unnest(fix_gentle_inflections(detect_bends((select way from figures where name='fig5'))));
 insert into inflections select 'inflection-1', unnest(fix_gentle_inflections(detect_bends((select way from figures where name='inflection-1'))));
 
--- FIX BEND INFLECTIONS
 do $$
 declare
   vbends geometry[];
diff --git a/IV/wm.sql b/IV/wm.sql
index 2c795db..3eaf25e 100644
--- a/IV/wm.sql
+++ b/IV/wm.sql
@@ -148,19 +148,15 @@ begin
 
       -- if inflection angle between ptail[1:3] "large", stop processing this bend
       if abs(st_angle(phead[1], phead[2], phead[3]) - pi) > small_angle then
-        --raise notice 'quitting % because angle between % % %', st_astext(ptail), st_astext(phead[1]), st_astext(phead[2]), st_astext(phead[3]);
         exit;
       end if;
 
       -- distance from head's first vertex should be larger than from second vertex
       if st_distance(ptail, phead[2]) < st_distance(ptail, phead[3]) then
-        --raise notice 'quitting % because distance', st_astext(ptail);
         exit;
       end if;
 
       -- detected a gentle inflection. Move head of the tail to the tail of head
-      --raise notice 'fixing a gentle inflection of angle %', degrees(abs(st_angle(phead[1], phead[2], phead[3]) - pi));
-
       bends[i] = st_removepoint(bends[i], 0);
       bends[i-1] = st_addpoint(bends[i-1], phead[3]);
     end loop;