diff --git a/Makefile.am b/Makefile.am
index e79dc4e21b2fb..f8bef07c26dcb 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -186,7 +186,7 @@ baseline_filtered.info: baseline.info
 	$(LCOV) -a $@ $(LCOV_OPTS) -o $@
 
 fuzz.info: baseline_filtered.info
-	@TIMEOUT=15 test/fuzz/test_runner.py $(DIR_FUZZ_SEED_CORPUS) -l DEBUG
+	@test/fuzz/test_runner.py $(DIR_FUZZ_SEED_CORPUS) -l DEBUG
 	$(LCOV) -c $(LCOV_OPTS) -d $(abs_builddir)/src --t fuzz-tests -o $@
 	$(LCOV) -z $(LCOV_OPTS) -d $(abs_builddir)/src
 
@@ -204,7 +204,7 @@ test_bitcoin_filtered.info: test_bitcoin.info
 	$(LCOV) -a $@ $(LCOV_OPTS) -o $@
 
 functional_test.info: test_bitcoin_filtered.info
-	@TIMEOUT=15 test/functional/test_runner.py $(EXTENDED_FUNCTIONAL_TESTS)
+	@test/functional/test_runner.py $(EXTENDED_FUNCTIONAL_TESTS)
 	$(LCOV) -c $(LCOV_OPTS) -d $(abs_builddir)/src --t functional-tests -o $@
 	$(LCOV) -z $(LCOV_OPTS) -d $(abs_builddir)/src