diff --git a/src/p_spec.c b/src/p_spec.c
index 9d4b741c5..6e7e06823 100644
--- a/src/p_spec.c
+++ b/src/p_spec.c
@@ -988,26 +988,12 @@ static sector_t *P_FindModelCeilingSector(fixed_t ceildestheight, INT32 secnum)
 }
 #endif
 
-/** Searches the tag lists for the next sector tagged to a line.
-  *
-  * \param line  Tagged line used as a reference.
-  * \param start -1 to start at the beginning, or the result of a previous call
-  *              to keep searching.
-  * \return Number of the next tagged sector found.
-  * \sa P_FindSectorFromTag, P_FindLineFromLineTag
-  */
-INT32 P_FindSectorFromLineTag(line_t *line, INT32 start)
-{
-	return P_FindSectorFromTag(line->tag, start);
-}
-
 /** Searches the tag lists for the next sector with a given tag.
   *
   * \param tag   Tag number to look for.
   * \param start -1 to start anew, or the result of a previous call to keep
   *              searching.
   * \return Number of the next tagged sector found.
-  * \sa P_FindSectorFromLineTag
   */
 INT32 P_FindSectorFromTag(INT16 tag, INT32 start)
 {
diff --git a/src/p_spec.h b/src/p_spec.h
index d756f1942..590eb476b 100644
--- a/src/p_spec.h
+++ b/src/p_spec.h
@@ -55,7 +55,6 @@ fixed_t P_FindNextLowestFloor(sector_t *sec, fixed_t currentheight);
 fixed_t P_FindLowestCeilingSurrounding(sector_t *sec);
 fixed_t P_FindHighestCeilingSurrounding(sector_t *sec);
 
-INT32 P_FindSectorFromLineTag(line_t *line, INT32 start);
 INT32 P_FindSectorFromTag(INT16 tag, INT32 start);
 INT32 P_FindSpecialLineFromTag(INT16 special, INT16 tag, INT32 start);