diff --git a/tests/periph_gpio/main.c b/tests/periph_gpio/main.c
index 59396d7662..4ae69186f7 100644
--- a/tests/periph_gpio/main.c
+++ b/tests/periph_gpio/main.c
@@ -26,7 +26,7 @@
 #include "benchmark.h"
 #include "periph/gpio.h"
 
-#define BENCH_RUNS_DEFAULT      (1000UL * 1000)
+#define BENCH_RUNS_DEFAULT      (1000UL * 100)
 
 #ifdef MODULE_PERIPH_GPIO_IRQ
 static void cb(void *arg)
diff --git a/tests/periph_gpio/tests/02-bench.py b/tests/periph_gpio/tests/02-bench.py
index 7439ce02d8..ce4993b22c 100755
--- a/tests/periph_gpio/tests/02-bench.py
+++ b/tests/periph_gpio/tests/02-bench.py
@@ -11,8 +11,6 @@ import os
 from testrunner import run
 
 
-# On slow platforms, like AVR, this test can take some time to complete.
-TIMEOUT = 30
 # Allow setting a specific port to test
 PORT_UNDER_TEST = int(os.environ.get('PORT_UNDER_TEST') or 0)
 
@@ -37,4 +35,4 @@ def testfunc(child):
 
 
 if __name__ == "__main__":
-    sys.exit(run(testfunc, timeout=TIMEOUT))
+    sys.exit(run(testfunc))