diff --git a/.gitignore b/.gitignore
index 6b7e1a4..d7a02f8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,3 @@
-mat/
-figures/
 ltximg/
 slprj/
 matlab/slprj/
diff --git a/matlab/mat/ground_motion_measurement.mat b/matlab/mat/ground_motion_measurement.mat
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index 0000000..cc2b6f0
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diff --git a/matlab/mat/meas_microstation_frf.mat b/matlab/mat/meas_microstation_frf.mat
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index 0000000..077f317
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diff --git a/matlab/mat/uniaxial_active_damping_controllers.mat b/matlab/mat/uniaxial_active_damping_controllers.mat
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diff --git a/matlab/mat/uniaxial_damped_plants.mat b/matlab/mat/uniaxial_damped_plants.mat
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index 0000000..ea57cd3
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diff --git a/matlab/mat/uniaxial_high_authority_controllers.mat b/matlab/mat/uniaxial_high_authority_controllers.mat
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diff --git a/matlab/mat/uniaxial_micro_station_parameters.mat b/matlab/mat/uniaxial_micro_station_parameters.mat
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diff --git a/matlab/mat/uniaxial_plants.mat b/matlab/mat/uniaxial_plants.mat
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diff --git a/preamble.tex b/preamble.tex
index 46484e0..cc798c4 100644
--- a/preamble.tex
+++ b/preamble.tex
@@ -23,8 +23,6 @@
 
 \setlength\bibitemsep{1.1\itemsep}
 
-% \renewcommand*{\bibfont}{\footnotesize}
-
 \usepackage{caption}
 \usepackage{subcaption}