diff --git a/src/common/jsonapi.c b/src/common/jsonapi.c
index 0bc3e426b20..5f947dd6182 100644
--- a/src/common/jsonapi.c
+++ b/src/common/jsonapi.c
@@ -2112,9 +2112,9 @@ json_errdetail(JsonParseErrorType error, JsonLexContext *lex)
 			break;
 		case JSON_INVALID_LEXER_TYPE:
 			if (lex->incremental)
-				return (_("Recursive descent parser cannot use incremental lexer"));
+				return _("Recursive descent parser cannot use incremental lexer");
 			else
-				return (_("Incremental parser requires incremental lexer"));
+				return _("Incremental parser requires incremental lexer");
 		case JSON_NESTING_TOO_DEEP:
 			return (_("JSON nested too deep, maximum permitted depth is 6400"));
 		case JSON_ESCAPING_INVALID:
diff --git a/src/test/modules/test_json_parser/.gitignore b/src/test/modules/test_json_parser/.gitignore
new file mode 100644
index 00000000000..2c176672db7
--- /dev/null
+++ b/src/test/modules/test_json_parser/.gitignore
@@ -0,0 +1,3 @@
+tmp_check
+test_json_parser_perf
+test_json_parser_incremental
diff --git a/src/test/modules/test_json_parser/Makefile b/src/test/modules/test_json_parser/Makefile
index 04350c68dba..a717b6f7add 100644
--- a/src/test/modules/test_json_parser/Makefile
+++ b/src/test/modules/test_json_parser/Makefile
@@ -17,6 +17,8 @@ include $(top_builddir)/src/Makefile.global
 include $(top_srcdir)/contrib/contrib-global.mk
 endif
 
+.PHONY: clean
+
 all: test_json_parser_incremental$(X) test_json_parser_perf$(X)
 
 %.o: $(top_srcdir)/$(subdir)/%.c
@@ -34,3 +36,6 @@ speed-check: test_json_parser_perf$(X)
 	time ./test_json_parser_perf 10000 $(top_srcdir)/$(subdir)/tiny.json
 	@echo Incremental parser:
 	time ./test_json_parser_perf -i 10000 $(top_srcdir)/$(subdir)/tiny.json
+
+clean:
+	rm -rf test_json_parser_perf test_json_parser_incremental tmp_check $(OBJS)