diff --git a/map65/libm65/sync64.f90 b/map65/libm65/sync64.f90
deleted file mode 100644
index 789d316d7..000000000
--- a/map65/libm65/sync64.f90
+++ /dev/null
@@ -1,169 +0,0 @@
-subroutine sync64(c0,nf1,nf2,nfqso,ntol,mode64,emedelay,dtx,f0,jpk,sync,  &
-     sync2,width)
-
-!  use timer_module, only: timer
-
-  parameter (NMAX=60*12000)                  !Max size of raw data at 12000 Hz
-  parameter (NSPS=3456)                      !Samples per symbol at 6000 Hz
-  parameter (NSPC=7*NSPS)                    !Samples per Costas array
-  real s1(0:NSPC-1)                          !Power spectrum of Costas 1
-  real s2(0:NSPC-1)                          !Power spectrum of Costas 2
-  real s3(0:NSPC-1)                          !Power spectrum of Costas 3
-  real s0(0:NSPC-1)                          !Sum of s1+s2+s3
-  real s0a(0:NSPC-1)                         !Best synchromized spectrum (saved)
-  real s0b(0:NSPC-1)                         !tmp
-  real a(5)
-  integer icos7(0:6)                         !Costas 7x7 tones
-  integer ipk0(1)
-  complex cc(0:NSPC-1)                       !Costas waveform
-  complex c0(0:720000)                       !Complex spectrum of dd()
-  complex c1(0:NSPC-1)                       !Complex spectrum of Costas 1
-  complex c2(0:NSPC-1)                       !Complex spectrum of Costas 2
-  complex c3(0:NSPC-1)                       !Complex spectrum of Costas 3
-  data icos7/2,5,6,0,4,1,3/                  !Costas 7x7 tone pattern
-  data mode64z/-1/
-  save
-
-  if(mode64.ne.mode64z) then
-     twopi=8.0*atan(1.0)
-     dfgen=mode64*12000.0/6912.0
-     k=-1
-     phi=0.
-     do j=0,6                               !Compute complex Costas waveform
-        dphi=twopi*10.0*icos7(j)*dfgen/6000.0
-        do i=1,NSPS
-           phi=phi + dphi
-           if(phi.gt.twopi) phi=phi-twopi
-           k=k+1
-           cc(k)=cmplx(cos(phi),sin(phi))
-        enddo
-     enddo
-     mode64z=mode64
-  endif
-
-  nfft3=NSPC
-  nh3=nfft3/2
-  df3=6000.0/nfft3
-  
-  faa=nfqso-ntol
-  fbb=nfqso+ntol
-  iaa=max(0,nint(faa/df3)+nh3)
-  ibb=min(NSPC-1,nint(fbb/df3)+nh3)
-
-  fa=-3000.0
-  fb=3000.0
-  ia=max(0,nint(fa/df3)+nh3)
-  ib=min(NSPC-1,nint(fb/df3)+nh3)
-
-  id=0.1*(ib-ia)
-  iz=ib-ia+1
-  sync=-1.e30
-  smaxall=0.
-  jpk=0
-  ja=0
-  jb=(5.0+emedelay)*6000
-!  jstep=100
-  jstep=200
-  ipk=0
-  kpk=0
-  nadd=10*mode64
-  if(mod(nadd,2).eq.0) nadd=nadd+1       !Make nadd odd
-  nskip=max(49,nadd)
-
-  do j1=ja,jb,jstep
-     call timer('sync64_1',0)
-     j2=j1 + 39*NSPS
-     j3=j1 + 77*NSPS
-     c1=1.e-4*c0(j1:j1+NSPC-1) * conjg(cc)
-     c2=1.e-4*c0(j2:j2+NSPC-1) * conjg(cc)
-     c3=1.e-4*c0(j3:j3+NSPC-1) * conjg(cc)
-     call four2a(c1,nfft3,1,-1,1)
-     call four2a(c2,nfft3,1,-1,1)
-     call four2a(c3,nfft3,1,-1,1)
-     c1=cshift(c1,nh3)
-     c2=cshift(c2,nh3)
-     c3=cshift(c3,nh3)
-     s1=0.
-     s2=0.
-     s3=0.
-     s0b=0.
-     do i=ia,ib
-        s1(i)=real(c1(i))**2 + aimag(c1(i))**2
-        s2(i)=real(c2(i))**2 + aimag(c2(i))**2
-        s3(i)=real(c3(i))**2 + aimag(c3(i))**2
-     enddo
-     call timer('sync64_1',1)
-
-     call timer('sync64_2',0)
-     s0(ia:ib)=s1(ia:ib) + s2(ia:ib) + s3(ia:ib)
-     s0(:ia-1)=0.
-     s0(ib+1:)=0.
-     if(nadd.ge.3) then
-        do ii=1,3
-           s0b(ia:ib)=s0(ia:ib)
-           call smo(s0b(ia:ib),iz,s0(ia:ib),nadd)
-        enddo
-     endif
-     call averms(s0(ia+id:ib-id),iz-2*id,nskip,ave,rms)
-     s=(maxval(s0(iaa:ibb))-ave)/rms
-     ipk0=maxloc(s0(iaa:ibb))
-     ip=ipk0(1) + iaa - 1
-     if(s.gt.sync) then
-        jpk=j1
-        s0a=(s0-ave)/rms
-        sync=s
-        dtx=jpk/6000.0 - 1.0
-        ipk=ip
-        f0=ip*df3 - 3000.0
-!        rewind 61
-!        do i=iaa,ibb
-!           write(61,3301) i*df3-3000.0,s0(i),s1(i),s2(i),s3(i)
-!3301       format(5f12.3)
-!        enddo
-!        flush(61)
-     endif
-     call timer('sync64_2',1)
-  enddo
-
-  nskip=50
-  call lorentzian(s0a(ia+nskip:ib-nskip),iz-2*nskip,a)
-  f0a=(a(3)+ia+49)*df3
-  w1=df3*a(4)
-  w2=2*nadd*df3
-  width=w1
-  if(w1.gt.1.2*w2) width=sqrt(w1**2 - w2**2)
-
-  sq=0.
-  do i=1,20
-     j=ia+nskip+1
-     k=ib-nskip-21+i
-     sq=sq + (s0a(j)-a(1))**2 + (s0a(k)-a(1))**2
-  enddo
-  rms2=sqrt(sq/40.0)
-  sync2=10.0*log10(a(2)/rms2)
-
-  slimit=6.0
-  rewind 17
-  write(17,1110) 0.0,0.0
-  rewind 17
-!  rewind 76
-  do i=2,iz-2*nskip-1,3
-     x=i
-     z=(x-a(3))/(0.5*a(4))
-     yfit=a(1)
-     if(abs(z).lt.3.0) then
-        d=1.0 + z*z
-        yfit=a(1) + a(2)*(1.0/d - 0.1)
-     endif
-     j=i+ia+49
-     freq=j*df3-3000.0
-     ss=(s0a(j-1)+s0a(j)+s0a(j+1))/3.0
-     if(ss.gt.slimit) write(17,1110) freq,ss
-1110 format(3f10.3)
-!     write(76,1110) freq,ss,yfit
-  enddo
-  flush(17)
-!  flush(76)
-
-  return
-end subroutine sync64
diff --git a/map65/libm65/timf2.f90 b/map65/libm65/timf2.f90
index 1e27ee455..4873d0e95 100644
--- a/map65/libm65/timf2.f90
+++ b/map65/libm65/timf2.f90
@@ -40,6 +40,7 @@ subroutine timf2(k,nxpol,nfft,nwindow,nb,peaklimit,iqadjust,iqapply,faclim, &
   data k0/99999999/
   save
 
+  if(faclim+iqadjust.eq.-9999.0) iqadjust=0   !Silence compiler warning.
   if(first) then
      pi=4.0*atan(1.0)
      do i=0,nfft-1
diff --git a/map65/libm65/tm2.f90 b/map65/libm65/tm2.f90
index bd8361187..fb831fab6 100644
--- a/map65/libm65/tm2.f90
+++ b/map65/libm65/tm2.f90
@@ -3,7 +3,7 @@ subroutine tm2(day,xlat4,xlon4,xl4,b4)
   implicit real*8 (a-h,o-z)
   parameter (RADS=0.0174532925199433d0)
 
-  real*4 day4,xlat4,xlon4,xl4,b4
+  real*4 xlat4,xlon4,xl4,b4
 
   glat=xlat4*RADS
   glong=xlon4*RADS