diff --git a/img/controlflow-if.svg b/img/controlflow-if.svg
index 618e410e..a0f793a4 100644
--- a/img/controlflow-if.svg
+++ b/img/controlflow-if.svg
@@ -1,155 +1,16 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/img/controlflow-loop.svg b/img/controlflow-loop.svg
index b4ffe3f2..290b771a 100644
--- a/img/controlflow-loop.svg
+++ b/img/controlflow-loop.svg
@@ -1,147 +1,15 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/img/controlflow-nested-if.svg b/img/controlflow-nested-if.svg
index f920ba22..9ab41a8a 100644
--- a/img/controlflow-nested-if.svg
+++ b/img/controlflow-nested-if.svg
@@ -1,175 +1,21 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/img/controlflow-straight.svg b/img/controlflow-straight.svg
index 82fe554d..f94d671e 100644
--- a/img/controlflow-straight.svg
+++ b/img/controlflow-straight.svg
@@ -1,81 +1,9 @@
-
-
-
-
+
\ No newline at end of file