diff --git a/examples/optran/F5TurboV2thermal-optran.cir b/examples/optran/F5TurboV2thermal-optran.cir
deleted file mode 100644
index a9fc6d0b7..000000000
--- a/examples/optran/F5TurboV2thermal-optran.cir
+++ /dev/null
@@ -1,79 +0,0 @@
-.title KiCad schematic
-.include "F5models.lib"
-.include "script-optran.txt"
-R2 in 0 47.5k
-R1 Net-_Q1-Pad2_ in 1k
-R5 +32 Net-_P1-Pad1_ 1k
-R3 Net-_P3-Pad1_ 0 10
-R4 0 Net-_P3-Pad3_ 10
-R6 Net-_P2-Pad1_ -32 1k
-R7 out Net-_P3-Pad1_ 220
-R8 out Net-_P3-Pad1_ 220
-R9 out Net-_P3-Pad3_ 220
-R10 out Net-_P3-Pad3_ 220
-R11 Net-_R11-Pad1_ Net-_P1-Pad1_ 2.2k
-R13 Net-_Q3-Pad2_ Net-_P1-Pad1_ 47.5
-R15 Net-_Q5-Pad2_ Net-_P2-Pad1_ 47.5
-R12 Net-_R12-Pad1_ Net-_P2-Pad1_ 2.2k
-R17 +32 Net-_D3a1-Pad1_ 1
-R21 Net-_D1a1-Pad2_ -32 1
-R18 +32 Net-_D3a1-Pad1_ 1
-R22 Net-_D1a1-Pad2_ -32 1
-R16 Net-_Q6-Pad2_ Net-_P2-Pad1_ 47.5
-R14 Net-_Q4-Pad2_ Net-_P1-Pad1_ 47.5
-R19 +32 Net-_D4a1-Pad1_ 1
-R23 Net-_D2a1-Pad2_ -32 1
-R20 +32 Net-_D4a1-Pad1_ 1
-R24 Net-_D2a1-Pad2_ -32 1
-Ra2 Net-_Ra1-Pad2_ 0 4
-D3a1 +32 Net-_D3a1-Pad1_ DMOD
-D1a1 Net-_D1a1-Pad2_ -32 DMOD
-D3b1 +32 Net-_D3a1-Pad1_ DMOD
-D1b1 Net-_D1a1-Pad2_ -32 DMOD
-D4a1 +32 Net-_D4a1-Pad1_ DMOD
-D2a1 Net-_D2a1-Pad2_ -32 DMOD
-D4b1 +32 Net-_D4a1-Pad1_ DMOD
-D2b1 Net-_D2a1-Pad2_ -32 DMOD
-XP3 Net-_P3-Pad1_ 0 Net-_P3-Pad3_ RPOT value=200 ratio={rp3}
-XP1 Net-_P1-Pad1_ +32 +32 RPOT value=5k ratio={rp1}
-XP2 Net-_P2-Pad1_ -32 -32 RPOT value=5k ratio={rp2}
-V3 in 0 dc 0 ac 1 sin(0 2 1k 5m)
-JQ1 Net-_P1-Pad1_ Net-_Q1-Pad2_ Net-_P3-Pad1_ 2SK170
-JQ2 Net-_P2-Pad1_ Net-_Q1-Pad2_ Net-_P3-Pad3_ 2SJ74
-MQ5 out Net-_Q5-Pad2_ Net-_D1a1-Pad2_ Q5tj Q5tc IRFP240 thermal
-MQ4 out Net-_Q4-Pad2_ Net-_D4a1-Pad1_ Q4tj Q4tc IRFP9240 thermal
-MQ6 out Net-_Q6-Pad2_ Net-_D2a1-Pad2_ Q6tj Q6tc IRFP240 thermal
-Rj1 Q3tj 0 1G
-Rj2 Q4tj 0 1G
-Rj3 Q5tj 0 1G
-Rj4 Q6tj 0 1G
-Rc2 Q3hs Net-_Rc2-Pad2_ {hs}
-Rc4 Q4hs Net-_Rc2-Pad2_ {hs}
-Rc6 Q5hs Net-_Rc2-Pad2_ {hs}
-Rc8 Q6hs Net-_Rc2-Pad2_ {hs}
-Rc1 Q3tc Q3hs {chs}
-Rc3 Q4tc Q4hs {chs}
-Rc5 Q5tc Q5hs {chs}
-Rc7 Q6tc Q6hs {chs}
-Vt1 Net-_Rc2-Pad2_ 0 {envtemp}
-Cc1 Q3hs 0 {hscc}
-Cc3 Q5hs 0 {hscc}
-Cc4 Q6hs 0 {hscc}
-V1 +32 0 dc 32 ; pulse(0 32 0.4m 2m 2m 100 200)
-V2 -32 0 dc -32 ; pulse(0 -32 0.4m 2m 2m 100 200)
-XTH2 Net-_D1a1-Pad2_ Q5hs Net-_R12-Pad1_ th R25=4.7k
-XTH1 Net-_D3a1-Pad1_ Q3hs Net-_R11-Pad1_ th R25=4.7k
-MQ3 out Net-_Q3-Pad2_ Net-_D3a1-Pad1_ Q3tj Q3tc IRFP9240 thermal
-Vs1 Net-_S1-Pad3_ 0 dc 0 pulse(0 5 6 1m 1m 20 20)
-XS1 Net-_Ra1-Pad2_ 0 Net-_S1-Pad3_ 0 genrelay
-Cc2 Q4hs 0 {hscc}
-Ra1 out Net-_Ra1-Pad2_ 4
-.tran 20u 5
-.param envtemp=40
-.param chs=1
-.param hs=1.2
-.param hscc=1
-.param rp2=0.21
-.param rp1=0.36
-.param rp3=0.505
-.end
diff --git a/examples/optran/F5models.lib b/examples/optran/F5models.lib
deleted file mode 100644
index b1e8b3c46..000000000
--- a/examples/optran/F5models.lib
+++ /dev/null
@@ -1,78 +0,0 @@
-* The models of this library are in the public domain
-* from https://www.diyaudio.com/forums/solid-state/252973-2sk170-2sj74-spice-model-pass-0-4ma.html
-*2SJ74 Dep-Mode 20mA 400mW LowNoise pkg:TO-92B 2,1,3
-.MODEL 2SJ74 PJF(Beta=92.12m Rs=7.748 Rd=7.748 Lambda=4.464m
-+Vto=-.5428 Cgd=85.67p Pb=.3905 Fc=.5
-+Cgs=78.27p Is=12.98p
-+Kf=26.64E-18 Af=1)
-
-*2SK170
-* 20mA 400mW LowNoise Dep-Mode pkg:TO-92B 3,1,2
-.MODEL 2SK170 NJF(Beta=59.86m Rs=4.151 Rd=4.151 Lambda=1.923m
-+Vto=-.5024 Cgd=20p Pb=.4746 Fc=.5
-+Cgs=25.48p Is=8.477p
-+Kf=111.3E-18 Af=1)
-
-.subckt RPOT 1 2 3
-R1 1 2 {value*ratio + 1m}
-R2 2 3 {value*(1-ratio)+ 1m}
-* below are default parameters, which are required by some simulators
-.param value=1k
-.param ratio=1
-.ends
-
-.model IRFP240 VDMOS nchan
-+ Vto=4 Kp=5.9 Lambda=.001 Theta=0.015 ksubthres=.27
-+ Rd=61m Rs=18m Rg=3 Rds=1e7
-+ Cgdmax=2.45n Cgdmin=10p a=0.3 Cgs=1.2n
-+ Is=60p N=1.1 Rb=14m XTI=3
-+ Cjo=1.5n Vj=0.8 m=0.5
-+ tcvth=0.0065 MU=-1.27 texp0=1.5
-+ Rthjc=0.4 Cthj=0.1
-+ mtriode=0.8
-
-.model IRFP9240 VDMOS pchan
-+ Vto=-4 Kp=8.8 Lambda=.003 Theta=0.08 ksubthres=.35
-+ Rd=180m Rs=50m Rg=3 Rds=1e7
-+ Cgdmax=1.25n Cgdmin=50p a=0.23 Cgs=1.15n
-+ Is=150p N=1.3 Rb=16m XTI=2
-+ Cjo=1.3n Vj=0.8 m=0.5
-+ tcvth=0.004 MU=-1.27 texp0=1.5
-+ Rthjc=0.4 Cthj=0.1
-+ mtriode=0.6
-
-.model DMOD D
-
-* Thermistor model
-.subckt th n1 nt n2 
-.param B=3977
-.param R25=4700
-*control node
-Ctherm1 n1 0 100p
-Ctherm2 n2 0 100p
-Rtherm n1 n2 R = {R25*exp(B*(1/(v(nt)+273.15)-1/(25+273.15)))}
-.ends
-
-* generic relay model
-.subckt genrelay out1 out2 in1 in2
-.param ron = 10m
-S1 out1 out2 in1 in2 SW
-.MODEL SW VSWITCH(VON=4V VOFF=1V RON={ron} ROFF=100K)
-.ends
-
-.MODEL IXTH16N10 VDMOS Nchan Vds=100
-+ VTO=-3.2 KP=9
-+ Lambda=2m
-+ Mtriode=1.8
-+ Ksubthres=120m
-+ subshift=160m
-+ Rs=4m Rd=5m Rds=200e6
-+ Cgdmax=9000p Cgdmin=300p A=0.25
-+ Cgs=5500p Cjo=11000p
-+ Is=10e-6 Rb=8m   
-+ BV=200 IBV=250e-6
-+ NBV=4
-+ TT=250e-9
-+ vq=100
-+ rq=0.1
-+ Rthjc=0.2 Cthj=0.1
diff --git a/examples/optran/contents.txt b/examples/optran/contents.txt
index 16ac7920a..a9cfbbddb 100644
--- a/examples/optran/contents.txt
+++ b/examples/optran/contents.txt
@@ -1,10 +1,5 @@
 ngspice input files using optran
 
-Pass Labs F5 turbo
-thermal simulation
-use optran for 4s and coarse steps to obtain stable temperature
-then simulate transient with high resolution
-
 HiPass3opamps_optran.cir
 Just a check with three different OpAmps
 
diff --git a/examples/optran/script-optran.txt b/examples/optran/script-optran.txt
deleted file mode 100644
index 8da005aeb..000000000
--- a/examples/optran/script-optran.txt
+++ /dev/null
@@ -1,55 +0,0 @@
-.temp {envtemp}
-.param envtemp=40
-.option savecurrents
-.control
-set controlswait
-if $?sharedmode
-* script for shared ngspice
-version
-rusage
-else
-*** script for standard ngspice
-* Start optran without first iteration,
-* without gmin stepping and without src stepping
-* optran step size 10 ms, duration 40s,
-optran 1 0 0 10m 40 0
-* check the first 10 ms, input is switched on after 5 ms
-tran 1u 10m
-echo
-* output power
-let po = @ra1[i] * v(out)
-meas tran power_rms rms po from=5m to=10m
-echo
-rusage
-* temperature transistor Q6
-set xbrushwidth=4
-settype temperature q6tj q6tc q6hs
-plot q6tj q6tc q6hs q3tj q3tc q3hs ylimit 40 140
-set xbrushwidth=2
-* input and output voltages
-plot in out
-* power supply currents
-*plot V1#branch V2#branch ylimit -50 50
-plot V1#branch V2#branch ylimit -10 10
-* output current
-plot @ra1[i]
-*plot @ra1[i] xlimit 0 5m ylimit -0.3 0.3
-* resistance of thermistor2 TH1, TH2
-let rth1 = (v("net-_d3a1-pad1_") - v("net-_r11-pad1_")) / (@b.xth1.brtherm[i] + 1n)
-let rth2 = (v("net-_d1a1-pad2_") - v("net-_r12-pad1_")) / (@b.xth2.brtherm[i] + 1n)
-settype impedance rth1 rth2
-plot rth1 rth2 ylimit 0 5k
-
-ac dec 10 1 1Meg
-plot db(out)
-plot cph(out)
-
-tran 1u 100m
-fft out
-set xbrushwidth=4
-set color0=white
-plot mag(out) xlimit 0 10k
-* to see the harmonics
-plot mag(out) xlimit 0 10k ylimit 0 30m
-end
-.endc
\ No newline at end of file