diff --git a/libgnucash/engine/engine-helpers-guile.h b/libgnucash/engine/engine-helpers-guile.h
index ad97e9c850..41fda9a02a 100644
--- a/libgnucash/engine/engine-helpers-guile.h
+++ b/libgnucash/engine/engine-helpers-guile.h
@@ -32,10 +32,7 @@
 
 /* Helpers for various conversions to and from guile */
 
-SCM      gnc_timespec2timepair(Timespec t);
-Timespec gnc_timepair2timespec(SCM x);
 GDate    gnc_time64_to_GDate(SCM x);
-int      gnc_timepair_p(SCM x);
 
 SCM  gnc_guid2scm(GncGUID guid);
 GncGUID gnc_scm2guid(SCM guid_scm);
diff --git a/libgnucash/engine/engine-helpers.c b/libgnucash/engine/engine-helpers.c
index f646113393..f5893464c6 100644
--- a/libgnucash/engine/engine-helpers.c
+++ b/libgnucash/engine/engine-helpers.c
@@ -284,28 +284,6 @@ gnc_book_option_remove_cb (gchar *key, GncBOCb func, gpointer user_data)
     }
 }
 
-SCM
-gnc_timespec2timepair(Timespec t)
-{
-    SCM secs;
-    SCM nsecs;
-
-    secs = scm_from_int64(t.tv_sec);
-    nsecs = scm_from_long (t.tv_nsec);
-    return(scm_cons(secs, nsecs));
-}
-
-Timespec
-gnc_timepair2timespec(SCM x)
-{
-    Timespec result = {0, 0};
-    if (gnc_timepair_p (x))
-    {
-        result.tv_sec = scm_to_int64(SCM_CAR(x));
-        result.tv_nsec = scm_to_long(SCM_CDR(x));
-    }
-    return(result);
-}
 
 GDate gnc_time64_to_GDate(SCM x)
 {
@@ -313,14 +291,6 @@ GDate gnc_time64_to_GDate(SCM x)
     return time64_to_gdate(time);
 }
 
-int
-gnc_timepair_p(SCM x)
-{
-    return(scm_is_pair(x) &&
-           (scm_is_signed_integer(SCM_CAR(x), INT64_MIN, INT64_MAX) &&
-            scm_is_signed_integer(SCM_CDR(x), INT64_MIN, INT64_MAX)));
-}
-
 SCM
 gnc_guid2scm(GncGUID guid)
 {
@@ -390,8 +360,6 @@ gnc_guid_p(SCM guid_scm)
  *   Each OR term is a list of AND terms.
  *   Each AND term is a list of one of the following forms:
  *
- *   ('pd-date pr-type sense-bool use-start-bool start-timepair
- *             use-end-bool use-end-timepair)
  *   ('pd-amount pr-type sense-bool amt-match-how amt-match-sign amount)
  *   ('pd-account pr-type sense-bool acct-match-how list-of-account-guids)
  *   ('pd-string pr-type sense-bool case-sense-bool use-regexp-bool string)
diff --git a/libgnucash/engine/gnc-date.h b/libgnucash/engine/gnc-date.h
index f940817245..2b34ae308d 100644
--- a/libgnucash/engine/gnc-date.h
+++ b/libgnucash/engine/gnc-date.h
@@ -329,8 +329,8 @@ Timespec timespec_diff(const Timespec *ta, const Timespec *tb);
 /** absolute value, also normalized */
 Timespec timespec_abs(const Timespec *t);
 
-/** convert a timepair on a certain day (localtime) to
- * the timepair representing midday on that day. Watch out - this is *not* the
+/** convert a timespec on a certain day (localtime) to
+ * the timespec representing midday on that day. Watch out - this is *not* the
  * first second of the day, which is returned by various other functions
  * returning a Timespec. */
 Timespec timespecCanonicalDayTime(Timespec t);
diff --git a/libgnucash/engine/kvp-scm.cpp b/libgnucash/engine/kvp-scm.cpp
index 07a7859742..ba7e785aff 100644
--- a/libgnucash/engine/kvp-scm.cpp
+++ b/libgnucash/engine/kvp-scm.cpp
@@ -56,11 +56,6 @@ gnc_scm_to_kvp_value_ptr(SCM val)
         auto tmpguid = guid_copy(&guid);
         return new KvpValue{tmpguid};
     }
-    else if (gnc_timepair_p(val))
-    {
-        Timespec ts = gnc_timepair2timespec(val);
-        return new KvpValue{ts};
-    }
     else if (scm_is_string(val))
     {
         return new KvpValue{gnc_scm_to_utf8_string(val)};
@@ -106,10 +101,6 @@ gnc_kvp_value_ptr_to_scm(KvpValue* val)
         return gnc_guid2scm(*tempguid);
     }
     break;
-    case KvpValue::Type::TIMESPEC:
-        return gnc_timespec2timepair(val->get<Timespec>());
-        break;
-
     case KvpValue::Type::FRAME:
     {
         auto frame = val->get<KvpFrame*>();
@@ -117,10 +108,6 @@ gnc_kvp_value_ptr_to_scm(KvpValue* val)
             return SWIG_NewPointerObj(frame, SWIG_TypeQuery("_p_KvpFrame"), 0);
     }
     break;
-    case KvpValue::Type::GDATE:
-        return gnc_timespec2timepair(gdate_to_timespec(val->get<GDate>()));
-
-        /* FIXME: handle types below */
     case KvpValue::Type::GLIST:
     default:
 	break;