diff --git a/graphviz/functions/statements/gen_assign.dot b/graphviz/functions/statements/gen_assign.dot
index 5eb0b52..f58de44 100644
--- a/graphviz/functions/statements/gen_assign.dot
+++ b/graphviz/functions/statements/gen_assign.dot
@@ -13,19 +13,14 @@ digraph fn_gen_assignment {
   // read from stdinput
   b [label="gen_boolean()" shape=diamond style=filled fillcolor=lightsalmon];
   c [label="gen_character()" shape=diamond style=filled fillcolor=lightsalmon];
-  d [label="create real"]
-  e [label="gen_integer()" shape=diamond style=filled fillcolor=lightsalmon];
-  f [label="gen_real()" shape=diamond style=filled fillcolor=lightsalmon];
-  g [label="gen_tuple()" shape=diamond style=filled fillcolor=lightsalmon];
-  k [label="return" style=filled fillcolor=lightskyblue1];
+  d [label="gen_integer()" shape=diamond style=filled fillcolor=lightsalmon];
+  e [label="gen_real()" shape=diamond style=filled fillcolor=lightsalmon];
+  f [label="gen_tuple()" shape=diamond style=filled fillcolor=lightsalmon];
+  g [label="return" style=filled fillcolor=lightskyblue1];
 
-  {rank=same; b c e f g}
-
-  a -> b -> k;
-  a -> c -> k;
-  a -> e -> k;
-  a -> g -> k;
-  a -> d;
-  d -> e;
-  d -> f -> k;
+  a -> b -> g;
+  a -> c -> g;
+  a -> d -> g;
+  a -> e -> g;
+  a -> f -> g;
 }
diff --git a/graphviz/functions/statements/gen_decl.dot b/graphviz/functions/statements/gen_decl.dot
index 2a4b4e3..637e0d9 100644
--- a/graphviz/functions/statements/gen_decl.dot
+++ b/graphviz/functions/statements/gen_decl.dot
@@ -12,25 +12,19 @@ digraph fn_gen_decl {
   a [label="fork on type"];
   b [label="gen_boolean()" shape=diamond style=filled fillcolor=lightsalmon];
   c [label="gen_character()" shape=diamond style=filled fillcolor=lightsalmon];
-  d [label="create real"]
-  e [label="gen_integer()" shape=diamond style=filled fillcolor=lightsalmon];
-  f [label="gen_real()" shape=diamond style=filled fillcolor=lightsalmon];
-  g [label="gen_tuple()" shape=diamond style=filled fillcolor=lightsalmon];
-  h [label="fork on qual"];
-  i [label="push to mut scope"];
-  j [label="push to const scope"];
-  k [label="return" style=filled fillcolor=lightskyblue1];
+  d [label="gen_integer()" shape=diamond style=filled fillcolor=lightsalmon];
+  e [label="gen_real()" shape=diamond style=filled fillcolor=lightsalmon];
+  f [label="gen_tuple()" shape=diamond style=filled fillcolor=lightsalmon];
+  g [label="fork on qual"];
+  h [label="push to mut scope"];
+  i [label="push to const scope"];
+  j [label="return" style=filled fillcolor=lightskyblue1];
 
-  {rank=same; b c e f g}
-
-  a -> b -> h;
-  a -> c -> h;
-  a -> e -> h;
-  a -> g -> h;
-  a -> d;
-  d -> e;
-  d -> f -> h;
-
-  h -> i -> k;
-  h -> j -> k;
+  a -> b -> g;
+  a -> c -> g;
+  a -> d -> g;
+  a -> e -> g;
+  a -> f -> g;
+  g -> h -> j;
+  g -> i -> j;
 }
diff --git a/graphviz/functions/statements/gen_global_decl.dot b/graphviz/functions/statements/gen_global_decl.dot
index 993eaa5..9b3c764 100644
--- a/graphviz/functions/statements/gen_global_decl.dot
+++ b/graphviz/functions/statements/gen_global_decl.dot
@@ -12,22 +12,16 @@ digraph fn_gen_decl {
   a [label="fork on type"];
   b [label="gen_boolean(global=true)" shape=diamond style=filled fillcolor=lightsalmon];
   c [label="gen_character(global=true)" shape=diamond style=filled fillcolor=lightsalmon];
-  d [label="create real"]
-  e [label="gen_integer(global=true)" shape=diamond style=filled fillcolor=lightsalmon];
-  f [label="gen_real(global=true)" shape=diamond style=filled fillcolor=lightsalmon];
-  g [label="gen_tuple(global=true)" shape=diamond style=filled fillcolor=lightsalmon];
-  h [label="push to global scope"];
-  i [label="return" style=filled fillcolor=lightskyblue1];
+  d [label="gen_integer(global=true)" shape=diamond style=filled fillcolor=lightsalmon];
+  e [label="gen_real(global=true)" shape=diamond style=filled fillcolor=lightsalmon];
+  f [label="gen_tuple(global=true)" shape=diamond style=filled fillcolor=lightsalmon];
+  g [label="push to global scope"];
+  h [label="return" style=filled fillcolor=lightskyblue1];
 
-  {rank=same; b c e f g}
-
-  a -> b -> h;
-  a -> c -> h;
-  a -> e -> h;
-  a -> g -> h;
-  a -> d;
-  d -> e;
-  d -> f -> h;
-
-  h -> i;
+  a -> b -> g;
+  a -> c -> g;
+  a -> d -> g;
+  a -> e -> g;
+  a -> f -> g;
+  g -> h;
 }