diff --git a/src/backend/utils/fmgr/fmgr.c b/src/backend/utils/fmgr/fmgr.c
index dc437aae49..f45ba8a8f2 100644
--- a/src/backend/utils/fmgr/fmgr.c
+++ b/src/backend/utils/fmgr/fmgr.c
@@ -1998,52 +1998,6 @@ InputFunctionCall(FmgrInfo *flinfo, char *str, Oid typioparam, int32 typmod)
 	return result;
 }
 
-Datum
-InputFunctionCallSafe(FmgrInfo *flinfo, char *str, Oid typioparam, int32 typmod, fmNodePtr escontext)
-{
-	FunctionCallInfoData fcinfo;
-	Datum		result;
-	bool		pushed;
-
-	if (str == NULL && flinfo->fn_strict)
-		return (Datum) 0;		/* just return null result */
-
-	pushed = SPI_push_conditional();
-
-	InitFunctionCallInfoData(fcinfo, flinfo, 3, InvalidOid, escontext, NULL);
-
-	fcinfo.arg[0] = CStringGetDatum(str);
-	fcinfo.arg[1] = ObjectIdGetDatum(typioparam);
-	fcinfo.arg[2] = Int32GetDatum(typmod);
-	fcinfo.argnull[0] = (str == NULL);
-	fcinfo.argnull[1] = false;
-	fcinfo.argnull[2] = false;
-
-	result = FunctionCallInvoke(&fcinfo);
-
-	/* Result value is garbage, and could be null, if an error was reported */
-	if (SOFT_ERROR_OCCURRED(escontext))
-		return (Datum) 0;
-
-	/* Should get null result if and only if str is NULL */
-	if (str == NULL)
-	{
-		if (!fcinfo.isnull)
-			elog(ERROR, "input function %u returned non-NULL",
-				 fcinfo.flinfo->fn_oid);
-	}
-	else
-	{
-		if (fcinfo.isnull)
-			elog(ERROR, "input function %u returned NULL",
-				 fcinfo.flinfo->fn_oid);
-	}
-
-	SPI_pop_conditional(pushed);
-
-	return result;
-}
-
 /*
  * Call a previously-looked-up datatype input function, with non-exception
  * handling of "soft" errors.