diff --git a/fuzzers/074-dump_all/Makefile b/fuzzers/074-dump_all/Makefile
index c377e69d..b5247934 100644
--- a/fuzzers/074-dump_all/Makefile
+++ b/fuzzers/074-dump_all/Makefile
@@ -23,6 +23,8 @@ run:
 	$(MAKE) clean
 	$(MAKE) database
 	$(MAKE) pushdb
+	# Clean up intermediate files after successful pushdb.
+	find build -name "*.json5" -delete
 	touch run.ok
 
 clean:
diff --git a/fuzzers/074-dump_all/run_fuzzer.py b/fuzzers/074-dump_all/run_fuzzer.py
index 41ced3d1..68a2dccf 100644
--- a/fuzzers/074-dump_all/run_fuzzer.py
+++ b/fuzzers/074-dump_all/run_fuzzer.py
@@ -1,8 +1,6 @@
-import os
 import shutil
 import sys
 import subprocess
-import signal
 from multiprocessing import Pool
 from itertools import chain
 import argparse