diff --git a/report.lyx b/report.lyx
index dcbbf12..9d5162d 100644
--- a/report.lyx
+++ b/report.lyx
@@ -2071,14 +2071,18 @@ reference "cha:Implementation-of-a"
 .
 \end_layout
 
-\begin_layout Subsection
-Performance measurements
-\end_layout
-
 \begin_layout Standard
 \begin_inset Note Note
 status open
 
+\begin_layout Plain Layout
+Performance measurements
+\end_layout
+
+\begin_layout Plain Layout
+
+\end_layout
+
 \begin_layout Plain Layout
 Tue apr 26, 9:15.
  Continue from here on.
@@ -2388,10 +2392,6 @@ The need for fault tolerance in game servers is not as obvious as it may
  is in games where in-game money exist.
 \end_layout
 
-\begin_layout Subsubsection
-Performance penalties
-\end_layout
-
 \begin_layout Section
 Availability
 \begin_inset CommandInset label
@@ -3085,10 +3085,6 @@ textbf{Sandbox}}{A protected environment in which computer software can
 
 \end_layout
 
-\begin_layout Subsection
-Encryption
-\end_layout
-
 \begin_layout Section
 Game Development Language in a Virtual Machine
 \begin_inset CommandInset label