diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 2a6f33cd888ca7d7e9dbe7d27f6999a552dec7f1..3a0f1a5da91cc7a43c108d74b47b519493fa9394 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -412,7 +412,7 @@ struct process_symbol_args {
 };
 
 static int find_symbol_cb(void *arg, const char *name, char type,
-			  u64 start, u64 end __used)
+			  u64 start)
 {
 	struct process_symbol_args *args = arg;
 
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 9f181a86f3b2032be85cedafcf6b54c67983c793..21270029f07b579e8ec96f6fde3b35d1c16b6311 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -563,7 +563,7 @@ size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp)
 
 int kallsyms__parse(const char *filename, void *arg,
 		    int (*process_symbol)(void *arg, const char *name,
-					  char type, u64 start, u64 end))
+					  char type, u64 start))
 {
 	char *line = NULL;
 	size_t n;
@@ -603,13 +603,8 @@ int kallsyms__parse(const char *filename, void *arg,
 			break;
 		}
 
-		/*
-		 * module symbols are not sorted so we add all
-		 * symbols, setting length to 1, and rely on
-		 * symbols__fixup_end() to fix it up.
-		 */
 		err = process_symbol(arg, symbol_name,
-				     symbol_type, start, start);
+				     symbol_type, start);
 		if (err)
 			break;
 	}
@@ -636,7 +631,7 @@ static u8 kallsyms2elf_type(char type)
 }
 
 static int map__process_kallsym_symbol(void *arg, const char *name,
-				       char type, u64 start, u64 end)
+				       char type, u64 start)
 {
 	struct symbol *sym;
 	struct process_kallsyms_args *a = arg;
@@ -645,8 +640,12 @@ static int map__process_kallsym_symbol(void *arg, const char *name,
 	if (!symbol_type__is_a(type, a->map->type))
 		return 0;
 
-	sym = symbol__new(start, end - start + 1,
-			  kallsyms2elf_type(type), name);
+	/*
+	 * module symbols are not sorted so we add all
+	 * symbols, setting length to 0, and rely on
+	 * symbols__fixup_end() to fix it up.
+	 */
+	sym = symbol__new(start, 0, kallsyms2elf_type(type), name);
 	if (sym == NULL)
 		return -ENOMEM;
 	/*
@@ -1729,7 +1728,7 @@ struct process_args {
 };
 
 static int symbol__in_kernel(void *arg, const char *name,
-			     char type __used, u64 start, u64 end __used)
+			     char type __used, u64 start)
 {
 	struct process_args *args = arg;
 
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index 38ccbbb39faa253d77557af51257d9f0f85e6105..c9534fe0720de8c2f6507c3a133366bf7fce7ea7 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -299,7 +299,7 @@ bool __dsos__read_build_ids(struct list_head *head, bool with_hits);
 int build_id__sprintf(const u8 *build_id, int len, char *bf);
 int kallsyms__parse(const char *filename, void *arg,
 		    int (*process_symbol)(void *arg, const char *name,
-					  char type, u64 start, u64 end));
+					  char type, u64 start));
 int filename__read_debuglink(const char *filename, char *debuglink,
 			     size_t size);