diff --git a/hardware/lib/footprints/capacitor_470uF-electrolytic_kemet_ESK-E3.rb b/hardware/lib/footprints/capacitor_470uF-electrolytic_kemet_ESK-E3.rb
new file mode 100755
index 0000000..ff47cfb
--- /dev/null
+++ b/hardware/lib/footprints/capacitor_470uF-electrolytic_kemet_ESK-E3.rb
@@ -0,0 +1,56 @@
+#!/usr/bin/env ruby
+# encoding: utf-8
+# written for ruby 2.1.0
+# generate a footprint (see script for more information)
+require_relative 'element'
+
+# global dimensions
+UNIT = "mm"
+SILKSCREEN = 0.2
+SOLDERMASK = 0.1
+
+# class properties, for radial leads and perpendicular parts
+classes = []
+classes << {:class => "least", :hole => 0.15, :ring => 0.3, :clearance => 0.5}
+classes << {:class => "nominal", :hole => 0.2, :ring => 0.35, :clearance => 0.7}
+classes << {:class => "maximum", :hole => 0.25, :ring => 0.5, :clearance => 1.0}
+
+# size code dimensions
+D = 6.3
+p = 2.5
+d = 0.5
+
+classes.each do |cla|
+  base = File.basename(__FILE__,".rb")
+  name = "#{base}_#{cla[:class][0,1].upcase}.fp"
+  File.open(name,"w") do |fp|
+    # put some information
+    fp.puts "# footprint for an aluminum electronlytic capacitor"
+    fp.puts "# manufacturer: Kemet"
+    fp.puts "# series: ESK"
+    fp.puts "# size code: E3"
+    fp.puts "# datasheet: http://www.kemet.com/docfinder?Partnumber=ESK477M6R3AE3AA"
+    fp.puts "# class: #{cla[:class]}"
+
+    # define element
+    # center is pin 3
+    fp.puts element("Element",["","capacitor","","Kemet ESK E3 #{cla[:class]}",:"0",:"0",:"0",:"0",:"0",:"100",""])
+    fp.puts "("
+
+    # outline
+    #ElementArc [X Y Width Height StartAngle DeltaAngle Thickness]
+    fp.puts element("ElementArc",[0,0,D/2,D/2,:"0",:"360",SILKSCREEN])
+    #ElementLine [X1 Y1 X2 Y2 Thickness]
+    fp.puts element("ElementLine",[-D/2-1,0,-D/2-0.5,0,SILKSCREEN])
+    fp.puts element("ElementLine",[-D/2-0.75,-0.25,-D/2-0.75,0.25,SILKSCREEN])
+    fp.puts element("ElementLine",[D/2+1,0,D/2+0.5,0,SILKSCREEN])
+
+    # pins
+    # Pin [rX rY Thickness Clearance Mask Drill "Name" "Number" SFlags]
+    fp.puts element("Pin",[-p/2,0,d+cla[:hole]+cla[:ring],d+cla[:hole]+cla[:clearance],d+cla[:hole]+cla[:ring]+SOLDERMASK,d+cla[:hole],"+","1","square"])
+    fp.puts element("Pin",[p/2,0,d+cla[:hole]+cla[:ring],d+cla[:hole]+cla[:clearance],d+cla[:hole]+cla[:ring]+SOLDERMASK,d+cla[:hole],"-","2",""])
+
+    # end of element
+    fp.puts ")"
+  end
+end
diff --git a/hardware/lib/footprints/capacitor_470uF-electrolytic_kemet_ESK-E3_L.fp b/hardware/lib/footprints/capacitor_470uF-electrolytic_kemet_ESK-E3_L.fp
new file mode 100644
index 0000000..9e7577a
--- /dev/null
+++ b/hardware/lib/footprints/capacitor_470uF-electrolytic_kemet_ESK-E3_L.fp
@@ -0,0 +1,15 @@
+# footprint for an aluminum electronlytic capacitor
+# manufacturer: Kemet
+# series: ESK
+# size code: E3
+# datasheet: http://www.kemet.com/docfinder?Partnumber=ESK477M6R3AE3AA
+# class: least
+Element["" "capacitor" "" "Kemet ESK E3 least" 0 0 0 0 0 100 ""]
+(
+ElementArc[0.0mm 0.0mm 3.15mm 3.15mm 0 360 0.2mm]
+ElementLine[-4.15mm 0.0mm -3.65mm 0.0mm 0.2mm]
+ElementLine[-3.9mm -0.25mm -3.9mm 0.25mm 0.2mm]
+ElementLine[4.15mm 0.0mm 3.65mm 0.0mm 0.2mm]
+Pin[-1.25mm 0.0mm 0.95mm 1.15mm 1.05mm 0.65mm "+" "1" "square"]
+Pin[1.25mm 0.0mm 0.95mm 1.15mm 1.05mm 0.65mm "-" "2" ""]
+)
diff --git a/hardware/lib/footprints/capacitor_470uF-electrolytic_kemet_ESK-E3_M.fp b/hardware/lib/footprints/capacitor_470uF-electrolytic_kemet_ESK-E3_M.fp
new file mode 100644
index 0000000..83cc919
--- /dev/null
+++ b/hardware/lib/footprints/capacitor_470uF-electrolytic_kemet_ESK-E3_M.fp
@@ -0,0 +1,15 @@
+# footprint for an aluminum electronlytic capacitor
+# manufacturer: Kemet
+# series: ESK
+# size code: E3
+# datasheet: http://www.kemet.com/docfinder?Partnumber=ESK477M6R3AE3AA
+# class: maximum
+Element["" "capacitor" "" "Kemet ESK E3 maximum" 0 0 0 0 0 100 ""]
+(
+ElementArc[0.0mm 0.0mm 3.15mm 3.15mm 0 360 0.2mm]
+ElementLine[-4.15mm 0.0mm -3.65mm 0.0mm 0.2mm]
+ElementLine[-3.9mm -0.25mm -3.9mm 0.25mm 0.2mm]
+ElementLine[4.15mm 0.0mm 3.65mm 0.0mm 0.2mm]
+Pin[-1.25mm 0.0mm 1.25mm 1.75mm 1.35mm 0.75mm "+" "1" "square"]
+Pin[1.25mm 0.0mm 1.25mm 1.75mm 1.35mm 0.75mm "-" "2" ""]
+)
diff --git a/hardware/lib/footprints/capacitor_470uF-electrolytic_kemet_ESK-E3_N.fp b/hardware/lib/footprints/capacitor_470uF-electrolytic_kemet_ESK-E3_N.fp
new file mode 100644
index 0000000..91d5f2b
--- /dev/null
+++ b/hardware/lib/footprints/capacitor_470uF-electrolytic_kemet_ESK-E3_N.fp
@@ -0,0 +1,15 @@
+# footprint for an aluminum electronlytic capacitor
+# manufacturer: Kemet
+# series: ESK
+# size code: E3
+# datasheet: http://www.kemet.com/docfinder?Partnumber=ESK477M6R3AE3AA
+# class: nominal
+Element["" "capacitor" "" "Kemet ESK E3 nominal" 0 0 0 0 0 100 ""]
+(
+ElementArc[0.0mm 0.0mm 3.15mm 3.15mm 0 360 0.2mm]
+ElementLine[-4.15mm 0.0mm -3.65mm 0.0mm 0.2mm]
+ElementLine[-3.9mm -0.25mm -3.9mm 0.25mm 0.2mm]
+ElementLine[4.15mm 0.0mm 3.65mm 0.0mm 0.2mm]
+Pin[-1.25mm 0.0mm 1.05mm 1.4mm 1.15mm 0.7mm "+" "1" "square"]
+Pin[1.25mm 0.0mm 1.05mm 1.4mm 1.15mm 0.7mm "-" "2" ""]
+)
diff --git a/hardware/lib/footprints/connector_battery_motorola_SNN5749A.fp b/hardware/lib/footprints/connector_battery_motorola_SNN5749A.fp
index 55612df..25fbd0e 100644
--- a/hardware/lib/footprints/connector_battery_motorola_SNN5749A.fp
+++ b/hardware/lib/footprints/connector_battery_motorola_SNN5749A.fp
@@ -14,9 +14,9 @@ ElementLine[15.0mm 29.0mm 15.0mm 28.0mm 0.2mm]
 ElementLine[15.0mm 28.0mm 18.0mm 28.0mm 0.2mm]
 ElementLine[18.0mm 28.0mm 18.0mm -28.0mm 0.2mm]
 ElementLine[18.0mm -28.0mm 4.7mm -28.0mm 0.2mm]
-ElementLine[4.7mm -28.0mm 4.7mm -28.7mm 0.2mm]
-ElementLine[4.7mm -28.7mm -2.15mm -28.7mm 0.2mm]
-ElementLine[-2.15mm -28.7mm -2.15mm -28.0mm 0.2mm]
+ElementLine[4.7mm -28.0mm 4.7mm -28.5mm 0.2mm]
+ElementLine[4.7mm -28.5mm -2.15mm -28.5mm 0.2mm]
+ElementLine[-2.15mm -28.5mm -2.15mm -28.0mm 0.2mm]
 ElementLine[-2.15mm -28.0mm -18.0mm -28.0mm 0.2mm]
 ElementLine[-18.0mm -28.0mm -18.0mm 28.0mm 0.2mm]
 Pad[-14.9mm -27.2mm -14.9mm -24.3mm 1.6mm 0.4mm 1.75mm "" "-" "square"]
diff --git a/hardware/lib/footprints/connector_battery_motorola_SNN5749A.rb b/hardware/lib/footprints/connector_battery_motorola_SNN5749A.rb
index 6ee1706..17d5a47 100755
--- a/hardware/lib/footprints/connector_battery_motorola_SNN5749A.rb
+++ b/hardware/lib/footprints/connector_battery_motorola_SNN5749A.rb
@@ -48,11 +48,11 @@ File.open(name,"w") do |fp|
   fp.puts element("ElementLine",[x1,y1,x1=x2,y1=y2,SILKSCREEN])
   x2 -= 13.3
   fp.puts element("ElementLine",[x1,y1,x1=x2,y1=y2,SILKSCREEN])
-  y2 -= 0.7
+  y2 -= 0.5
   fp.puts element("ElementLine",[x1,y1,x1=x2,y1=y2,SILKSCREEN])
   x2 -= 6.85
   fp.puts element("ElementLine",[x1,y1,x1=x2,y1=y2,SILKSCREEN])
-  y2 += 0.7
+  y2 += 0.5
   fp.puts element("ElementLine",[x1,y1,x1=x2,y1=y2,SILKSCREEN])
   x2 = -36.0/2
   fp.puts element("ElementLine",[x1,y1,x1=x2,y1=y2,SILKSCREEN])
diff --git a/hardware/lib/symbols/capacitor_470uF-electrolytic_kemet_ESK477M6R3AE3AA.sym b/hardware/lib/symbols/capacitor_470uF-electrolytic_kemet_ESK477M6R3AE3AA.sym
index ed1c6b2..7adf334 100644
--- a/hardware/lib/symbols/capacitor_470uF-electrolytic_kemet_ESK477M6R3AE3AA.sym
+++ b/hardware/lib/symbols/capacitor_470uF-electrolytic_kemet_ESK477M6R3AE3AA.sym
@@ -46,7 +46,7 @@ datasheet=http://www.kemet.com/docfinder?Partnumber=ESK477M6R3AE3AA
 T 0 1900 8 10 0 0 0 0 1
 farnell-id=2068936
 T 0 2500 8 10 0 0 0 0 1
-footprint=RCY250P
+footprint=capacitor_470uF-electrolytic_kemet_ESK-E3_N.fp
 T 0 2100 8 10 0 0 0 0 1
 digikey-id=399-6611-ND
 T 0 2300 8 10 0 0 0 0 1
diff --git a/hardware/lib/symbols/connector_USB-mini-B_wurth-elektronik_651005136521.sym b/hardware/lib/symbols/connector_USB-mini-B_wurth-elektronik_651005136521.sym
index 98e1614..31a6bcd 100644
--- a/hardware/lib/symbols/connector_USB-mini-B_wurth-elektronik_651005136521.sym
+++ b/hardware/lib/symbols/connector_USB-mini-B_wurth-elektronik_651005136521.sym
@@ -92,8 +92,6 @@ T 0 2400 8 10 0 0 0 0 1
 manufacturer-id=651005136521
 T 0 2800 8 10 0 0 0 0 1
 digikey-id=732-2736-ND
-T 0 3600 8 10 0 0 0 0 1
-author=Kévin Redon
 T 0 3000 8 10 0 0 0 0 1
 farnell-id=1841176
 T 0 2000 8 10 0 0 0 0 1
diff --git a/hardware/lib/symbols/connector_barrel_cui_PJ-043-SMT-TR.sym b/hardware/lib/symbols/connector_barrel_cui_PJ-043-SMT-TR.sym
index a49a33a..03feae2 100644
--- a/hardware/lib/symbols/connector_barrel_cui_PJ-043-SMT-TR.sym
+++ b/hardware/lib/symbols/connector_barrel_cui_PJ-043-SMT-TR.sym
@@ -63,6 +63,4 @@ description=jack, male, 1.1mm ID (1.0 center pin), 3.0mm OD (3.2 max), single sw
 T 100 2200 8 10 0 0 0 0 1
 digikey-id=CP-043PJCT-ND
 T 100 2400 8 10 0 0 0 0 1
-author=Kévin Redon
-T 100 2600 8 10 0 0 0 0 1
 footprint=connector_barrel_cui_PJ-043-SMT-TR.fp
diff --git a/hardware/lib/symbols/connector_barrel_cui_PJ-202A.sym b/hardware/lib/symbols/connector_barrel_cui_PJ-202A.sym
index 50d723f..81b91f8 100644
--- a/hardware/lib/symbols/connector_barrel_cui_PJ-202A.sym
+++ b/hardware/lib/symbols/connector_barrel_cui_PJ-202A.sym
@@ -63,6 +63,4 @@ description=jack, male, 2.1mm ID, 5.5mm OD, single switch, normally closed, THT,
 T 100 2200 8 10 0 0 0 0 1
 digikey-id=CP-202A-ND
 T 100 2400 8 10 0 0 0 0 1
-author=Kévin Redon
-T 100 2600 8 10 0 0 0 0 1
 footprint=connector_barrel_cui_PJ-202A_M.fp
diff --git a/hardware/lib/symbols/connector_barrel_cui_PP-019.sym b/hardware/lib/symbols/connector_barrel_cui_PP-019.sym
index 21fbb36..9ebc17c 100644
--- a/hardware/lib/symbols/connector_barrel_cui_PP-019.sym
+++ b/hardware/lib/symbols/connector_barrel_cui_PP-019.sym
@@ -40,8 +40,6 @@ description=jack, female, 1.1mm ID, 3.0mm OD
 T 100 2200 8 10 0 0 0 0 1
 digikey-id=CP-119-ND
 T 100 2400 8 10 0 0 0 0 1
-author=Kévin Redon
-T 100 2600 8 10 0 0 0 0 1
 footprint=none
 L 700 400 100 400 3 0 1 0 -1 -1
 L 700 400 700 0 3 0 1 0 -1 -1
diff --git a/hardware/lib/symbols/connector_board_beaglebone_cape.sym b/hardware/lib/symbols/connector_board_beaglebone_cape.sym
index ffdcafd..54c400d 100644
--- a/hardware/lib/symbols/connector_board_beaglebone_cape.sym
+++ b/hardware/lib/symbols/connector_board_beaglebone_cape.sym
@@ -1011,7 +1011,7 @@ pinlabel=DGND
 T 2695 245 5 10 1 1 0 0 1
 pinnumber=P9_46
 }
-T 600 12400 8 10 0 0 0 0 1
+T 600 12200 8 10 0 0 0 0 1
 footprint=connector_board_beagleboardblack_cape.fp
 T 600 10400 8 10 1 1 0 0 1
 refdes=P?
@@ -1033,8 +1033,6 @@ T 600 11600 8 10 0 0 0 0 1
 manufacturer-id=BeagleBone Black
 T 600 11800 8 10 0 0 0 0 1
 adafruit-id=706
-T 600 12200 8 10 0 0 0 0 1
-author=Kévin Redon
 T 600 12000 8 10 0 0 0 0 1
 major_league-id=SSHQ-123-D-08-G-LF
 T 600 10100 9 12 1 0 0 0 1
diff --git a/hardware/lib/symbols/connector_trs_cui_SJ-2509N.sym b/hardware/lib/symbols/connector_trs_cui_SJ-2509N.sym
index ef4e15d..7b23245 100644
--- a/hardware/lib/symbols/connector_trs_cui_SJ-2509N.sym
+++ b/hardware/lib/symbols/connector_trs_cui_SJ-2509N.sym
@@ -55,8 +55,6 @@ description=jack, female, TRS, stereo headphone, 2.5mm, THT, 90°
 T 100 2000 8 10 0 0 0 0 1
 digikey-id=CP-S2509N-ND
 T 100 2200 8 10 0 0 0 0 1
-author=Kévin Redon
-T 100 2400 8 10 0 0 0 0 1
 footprint=connector_trs_cui_SJ-2509N_M.fp
 L 700 200 600 300 3 0 1 0 -1 -1
 L 600 300 500 200 3 0 1 0 -1 -1
diff --git a/hardware/lib/symbols/connector_trs_cui_SP-2501.sym b/hardware/lib/symbols/connector_trs_cui_SP-2501.sym
index f6f1609..661cc3c 100644
--- a/hardware/lib/symbols/connector_trs_cui_SP-2501.sym
+++ b/hardware/lib/symbols/connector_trs_cui_SP-2501.sym
@@ -40,8 +40,6 @@ description=jack, male, TRS, stereo headphone, 2.5mm
 T 100 2000 8 10 0 0 0 0 1
 digikey-id=CP-2501SP-ND
 T 100 2200 8 10 0 0 0 0 1
-author=Kévin Redon
-T 100 2400 8 10 0 0 0 0 1
 footprint=none
 L 700 500 300 500 3 0 1 0 -1 -1
 L 700 500 700 200 3 0 1 0 -1 -1
diff --git a/hardware/lib/symbols/diode_TVS-2ch_diodes_DRTR5V0U2SR-7.sym b/hardware/lib/symbols/diode_TVS-2ch_diodes_DRTR5V0U2SR-7.sym
index 5862341..38d88c9 100644
--- a/hardware/lib/symbols/diode_TVS-2ch_diodes_DRTR5V0U2SR-7.sym
+++ b/hardware/lib/symbols/diode_TVS-2ch_diodes_DRTR5V0U2SR-7.sym
@@ -102,5 +102,3 @@ T 300 2400 8 10 0 0 0 0 1
 mouser-id=621-DRTR5V0U2SR-7 
 T 300 2600 8 10 0 0 0 0 1
 footprint=SOT143
-T 300 2800 8 10 0 0 0 0 1
-author=Kévin Redon
diff --git a/hardware/lib/symbols/diode_TVS-2ch_nxp_IP4234CZ6,125.sym b/hardware/lib/symbols/diode_TVS-2ch_nxp_IP4234CZ6,125.sym
index 78e1d08..65e2213 100644
--- a/hardware/lib/symbols/diode_TVS-2ch_nxp_IP4234CZ6,125.sym
+++ b/hardware/lib/symbols/diode_TVS-2ch_nxp_IP4234CZ6,125.sym
@@ -21,8 +21,6 @@ T 300 3200 8 10 0 0 0 0 1
 mouser-id=771-IP4234CZ6125
 T 300 3400 8 10 0 0 0 0 1
 footprint=SOT26
-T 300 3600 8 10 0 0 0 0 1
-author=Kévin Redon
 T 300 3000 8 10 0 0 0 0 1
 farnell-id=2345314
 L 850 1250 850 1150 3 0 1 0 -1 -1
diff --git a/hardware/lib/symbols/diode_TVS_on_MMBZ27VALT1G.sym b/hardware/lib/symbols/diode_TVS_on_MMBZ27VALT1G.sym
index 18b9ecc..08787e1 100644
--- a/hardware/lib/symbols/diode_TVS_on_MMBZ27VALT1G.sym
+++ b/hardware/lib/symbols/diode_TVS_on_MMBZ27VALT1G.sym
@@ -1,65 +1,63 @@
 v 20140308 2
-P 34500 40000 34800 40000 1 0 0
+P 0 200 300 200 1 0 0
 {
-T 34600 40050 5 10 0 0 0 0 1
+T 100 250 5 10 0 0 0 0 1
 pintype=pas
-T 34855 39995 9 10 0 0 0 0 1
+T 355 195 9 10 0 0 0 0 1
 pinlabel=cathode
-T 34705 40045 5 10 1 1 0 6 1
+T 205 245 5 10 1 1 0 6 1
 pinnumber=1
-T 34600 40050 5 10 0 0 0 0 1
+T 100 250 5 10 0 0 0 0 1
 pinseq=1
 }
-P 35700 40000 35400 40000 1 0 0
+P 1200 200 900 200 1 0 0
 {
-T 35600 40050 5 10 0 0 0 6 1
+T 1100 250 5 10 0 0 0 6 1
 pintype=pas
-T 35345 39995 9 10 0 1 0 6 1
+T 845 195 9 10 0 1 0 6 1
 pinlabel=anode
-T 35495 40045 5 10 1 1 0 0 1
+T 995 245 5 10 1 1 0 0 1
 pinnumber=3
-T 35600 40050 5 10 0 0 0 6 1
+T 1100 250 5 10 0 0 0 6 1
 pinseq=2
 }
-L 34900 40200 35000 40100 3 0 1 0 -1 -1
-L 35000 40100 35000 39900 3 0 1 0 -1 -1
-L 35000 39900 35100 39800 3 0 1 0 -1 -1
-L 35200 40100 35000 40000 3 0 1 0 -1 -1
-L 35000 40000 35200 39900 3 0 1 0 -1 -1
-L 35200 39900 35200 40100 3 0 1 0 -1 -1
-L 34800 40000 35000 40000 3 0 1 0 -1 -1
-L 35200 40000 35400 40000 3 0 1 0 -1 -1
-T 35300 40300 8 10 1 1 0 0 1
+L 400 400 500 300 3 0 1 0 -1 -1
+L 500 300 500 100 3 0 1 0 -1 -1
+L 500 100 600 0 3 0 1 0 -1 -1
+L 700 300 500 200 3 0 1 0 -1 -1
+L 500 200 700 100 3 0 1 0 -1 -1
+L 700 100 700 300 3 0 1 0 -1 -1
+L 300 200 500 200 3 0 1 0 -1 -1
+L 700 200 900 200 3 0 1 0 -1 -1
+T 800 500 8 10 1 1 0 0 1
 device=TVS
-T 34500 40300 8 10 1 1 0 0 1
+T 0 500 8 10 1 1 0 0 1
 refdes=D?
-T 34500 41300 8 10 0 0 0 0 1
+T 0 1500 8 10 0 0 0 0 1
 value=MMBZ27VALT1G
-T 34500 41700 8 10 0 0 0 0 1
+T 0 1900 8 10 0 0 0 0 1
 description=diode, zener, TVS, 40V, 40W
-T 34500 41500 8 10 0 0 0 0 1
+T 0 1700 8 10 0 0 0 0 1
 category=diode
-T 34500 41900 8 10 0 0 0 0 1
+T 0 2100 8 10 0 0 0 0 1
 manufacturer=ON
-T 34500 42100 8 10 0 0 0 0 1
+T 0 2300 8 10 0 0 0 0 1
 manufacturer-id=MMBZ27VALT1G
-T 34500 42300 8 10 0 0 0 0 1
+T 0 2500 8 10 0 0 0 0 1
 datasheet=http://www.onsemi.com/pub_link/Collateral/MMBZ5V6ALT1-D.PDF
-T 34500 42500 8 10 0 0 0 0 1
+T 0 2700 8 10 0 0 0 0 1
 digikey-id=MMBZ27VALT1GOSCT-ND
-T 34500 42700 8 10 0 0 0 0 1
+T 0 2900 8 10 0 0 0 0 1
 farnell-id=1431229
-T 34500 42900 8 10 0 0 0 0 1
+T 0 3100 8 10 0 0 0 0 1
 mouser-id=863-MMBZ27VALT1G
-T 34500 43100 8 10 0 0 0 0 1
+T 0 3300 8 10 0 0 0 0 1
 footprint=SOT23
-T 34500 43300 8 10 0 0 0 0 1
-author=Kévin Redon
-T 34500 40500 8 10 0 0 0 0 1
+T 0 700 8 10 0 0 0 0 1
 numslots=2
-T 34500 40900 8 10 0 0 0 0 1
+T 0 1100 8 10 0 0 0 0 1
 slotdef=1:1,3
-T 34500 41100 8 10 0 0 0 0 1
+T 0 1300 8 10 0 0 0 0 1
 slotdef=2:2,3
-T 34500 40700 8 10 0 0 0 0 1
+T 0 900 8 10 0 0 0 0 1
 slot=1
diff --git a/hardware/lib/symbols/filter_ferrite-bead-4A_panasonic_EXC-ML20A390U.sym b/hardware/lib/symbols/filter_ferrite-bead-4A_panasonic_EXC-ML20A390U.sym
index cd7cde7..a2cf314 100644
--- a/hardware/lib/symbols/filter_ferrite-bead-4A_panasonic_EXC-ML20A390U.sym
+++ b/hardware/lib/symbols/filter_ferrite-bead-4A_panasonic_EXC-ML20A390U.sym
@@ -42,8 +42,6 @@ farnell-id=1292703
 T 0 2300 8 10 0 0 0 0 1
 mouser-id=667-EXC-ML20A390U
 T 0 2500 8 10 0 0 0 0 1
-author=Kévin Redon
-T 0 2700 8 10 0 0 0 0 1
 footprint=INDC2012N
 T 0 300 8 10 1 1 0 0 1
 refdes=FB?
diff --git a/hardware/lib/symbols/filter_ferrite-bead-500mA_laird_HZ0805E601R-10.sym b/hardware/lib/symbols/filter_ferrite-bead-500mA_laird_HZ0805E601R-10.sym
index 89132bb..97d7be1 100644
--- a/hardware/lib/symbols/filter_ferrite-bead-500mA_laird_HZ0805E601R-10.sym
+++ b/hardware/lib/symbols/filter_ferrite-bead-500mA_laird_HZ0805E601R-10.sym
@@ -42,8 +42,6 @@ farnell-id=2292412
 T 0 2300 8 10 0 0 0 0 1
 mouser-id=875-HZ0805E601R-10
 T 0 2500 8 10 0 0 0 0 1
-author=Kévin Redon
-T 0 2700 8 10 0 0 0 0 1
 footprint=INDC2012N
 T 0 300 8 10 1 1 0 0 1
 refdes=FB?
diff --git a/hardware/lib/symbols/ic_usb2serial_ftdi_FT4232HL.sym b/hardware/lib/symbols/ic_usb2serial_ftdi_FT4232HL.sym
index 2e193e7..f1eff38 100644
--- a/hardware/lib/symbols/ic_usb2serial_ftdi_FT4232HL.sym
+++ b/hardware/lib/symbols/ic_usb2serial_ftdi_FT4232HL.sym
@@ -713,8 +713,6 @@ T 300 10100 8 10 0 0 0 0 1
 mouser-id=895-FT4232HL
 T 300 8700 8 10 0 0 0 0 1
 category=IC
-T 300 10500 8 10 0 0 0 0 1
-author=Kévin Redon
 T 300 9300 8 10 0 0 0 0 1
 manufacturer-id=FT4232HL
 T 300 9900 8 10 0 0 0 0 1
diff --git a/hardware/lib/symbols/ic_usb2serial_silabs_CP2108.sym b/hardware/lib/symbols/ic_usb2serial_silabs_CP2108.sym
index 8e31932..970daa9 100644
--- a/hardware/lib/symbols/ic_usb2serial_silabs_CP2108.sym
+++ b/hardware/lib/symbols/ic_usb2serial_silabs_CP2108.sym
@@ -703,6 +703,4 @@ digikey-id=336-2403-ND
 T 300 8600 8 10 0 0 0 0 1
 mouser-id=634-CP2108-B01-GM
 T 300 8800 8 10 0 0 0 0 1
-author=Kévin Redon
-T 300 9000 8 10 0 0 0 0 1
 footprint=ic_usb2serial_silabs_CP2108.fp
diff --git a/hardware/lib/symbols/transistor_nmos_international-rectifier_IRFML8244TRPBF.sym b/hardware/lib/symbols/transistor_nmos_international-rectifier_IRFML8244TRPBF.sym
index c509a59..f58e3ca 100644
--- a/hardware/lib/symbols/transistor_nmos_international-rectifier_IRFML8244TRPBF.sym
+++ b/hardware/lib/symbols/transistor_nmos_international-rectifier_IRFML8244TRPBF.sym
@@ -26,7 +26,7 @@ P 0 500 200 500 1 0 0
 {
 T 100 550 5 10 0 0 0 0 1
 pintype=in
-T 55 595 9 10 1 1 0 0 1
+T 55 295 9 10 1 1 0 0 1
 pinlabel=G
 T 105 545 5 10 0 1 0 6 1
 pinnumber=1
@@ -79,5 +79,3 @@ T 0 2900 8 10 0 0 0 0 1
 farnell-id=1857298
 T 0 3300 8 10 0 0 0 0 1
 footprint=SOT23
-T 0 3500 8 10 0 0 0 0 1
-author=Kévin Redon
diff --git a/hardware/lib/symbols/transistor_nmos_nxp_2N7002PW.sym b/hardware/lib/symbols/transistor_nmos_nxp_2N7002PW.sym
index 26c4964..a24ec3e 100644
--- a/hardware/lib/symbols/transistor_nmos_nxp_2N7002PW.sym
+++ b/hardware/lib/symbols/transistor_nmos_nxp_2N7002PW.sym
@@ -79,5 +79,3 @@ T 0 2900 8 10 0 0 0 0 1
 farnell-id=1829184
 T 0 3300 8 10 0 0 0 0 1
 footprint=SOT323
-T 0 3500 8 10 0 0 0 0 1
-author=Kévin Redon
diff --git a/hardware/lib/symbols/transistor_pmos_international-rectifier_IRLML2246TRPBF.sym b/hardware/lib/symbols/transistor_pmos_international-rectifier_IRLML2246TRPBF.sym
index b6c6f45..1d38941 100644
--- a/hardware/lib/symbols/transistor_pmos_international-rectifier_IRLML2246TRPBF.sym
+++ b/hardware/lib/symbols/transistor_pmos_international-rectifier_IRLML2246TRPBF.sym
@@ -79,5 +79,3 @@ T 0 2900 8 10 0 0 0 0 1
 farnell-id=1888166
 T 0 3300 8 10 0 0 0 0 1
 footprint=SOT23
-T 0 3500 8 10 0 0 0 0 1
-author=Kévin Redon
diff --git a/hardware/lib/symbols/vreg_LDO-3.3V_npx_NX1117CE33Z.sym b/hardware/lib/symbols/vreg_LDO-3.3V_npx_NX1117CE33Z.sym
index 8b5e532..bbda4f5 100644
--- a/hardware/lib/symbols/vreg_LDO-3.3V_npx_NX1117CE33Z.sym
+++ b/hardware/lib/symbols/vreg_LDO-3.3V_npx_NX1117CE33Z.sym
@@ -65,9 +65,7 @@ T 300 1400 8 10 0 0 0 0 1
 category=vreg
 T 300 2600 8 10 0 0 0 0 1
 digikey-id=568-8443-1-ND
-T 300 3000 8 10 0 0 0 0 1
-author=Kévin Redon
 T 300 2800 8 10 0 0 0 0 1
 farnell-id=2057285
-T 300 3200 8 10 0 0 0 0 1
+T 300 3000 8 10 0 0 0 0 1
 footprint=SOT223