diff --git a/modules/aerodyn/src/AeroDyn.f90 b/modules/aerodyn/src/AeroDyn.f90
index f70b8d71b7..641c17c6cc 100644
--- a/modules/aerodyn/src/AeroDyn.f90
+++ b/modules/aerodyn/src/AeroDyn.f90
@@ -370,7 +370,7 @@ subroutine AD_Init( InitInp, u, p, x, xd, z, OtherState, y, m, Interval, InitOut
       if (Failed()) return;
       ! -----------------------------------------------------------------
       ! Read the AeroDyn blade files, or copy from passed input
-   call ReadInputFiles( InitInp%InputFile, InputFileData, interval, p%RootName, NumBlades, AeroProjMod, UnEcho, calcCrvAngle, ErrStat2, ErrMsg2 )
+   call ReadInputFiles( InitInp%InputFile, InputFileData, p%RootName, NumBlades, AeroProjMod, UnEcho, calcCrvAngle, ErrStat2, ErrMsg2 )
       if (Failed()) return;
          
       ! override some parameters to simplify for aero maps
diff --git a/modules/aerodyn/src/AeroDyn_IO.f90 b/modules/aerodyn/src/AeroDyn_IO.f90
index 3e14564239..fa0717bf7e 100644
--- a/modules/aerodyn/src/AeroDyn_IO.f90
+++ b/modules/aerodyn/src/AeroDyn_IO.f90
@@ -588,14 +588,12 @@ end subroutine Calc_WriteOutput_FVW
    
 END SUBROUTINE Calc_WriteOutput
 !----------------------------------------------------------------------------------------------------------------------------------
-SUBROUTINE ReadInputFiles( InputFileName, InputFileData, Default_DT, OutFileRoot, NumBlades, AeroProjMod, UnEcho, calcCrvAngle, ErrStat, ErrMsg )
+SUBROUTINE ReadInputFiles( InputFileName, InputFileData, OutFileRoot, NumBlades, AeroProjMod, UnEcho, calcCrvAngle, ErrStat, ErrMsg )
 ! This subroutine reads the input file and stores all the data in the AD_InputFile structure.
 ! It does not perform data validation.
 !..................................................................................................................................
 
       ! Passed variables
-   REAL(DbKi),              INTENT(IN)    :: Default_DT      ! The default DT (from glue code)
-
    CHARACTER(*),            INTENT(IN)    :: InputFileName   ! Name of the input file
    CHARACTER(*),            INTENT(IN)    :: OutFileRoot     ! The rootname of all the output files written by this routine.
 
@@ -624,7 +622,6 @@ SUBROUTINE ReadInputFiles( InputFileName, InputFileData, Default_DT, OutFileRoot
    ErrStat = ErrID_None
    ErrMsg  = ''
 
-   InputFileData%DTAero = Default_DT  ! the glue code's suggested DT for the module (may be overwritten in ReadPrimaryFile())
    calcCrvAngle = .false.             ! initialize in case of early return
 
       ! get the blade input-file data