diff --git a/apps/blas/axpy/test.expect b/apps/blas/axpy/test.expect
deleted file mode 100644
index 69a09413..00000000
--- a/apps/blas/axpy/test.expect
+++ /dev/null
@@ -1 +0,0 @@
-{"out": {"0": [55477], "1": [29767], "2": [13676], "3": [43209], "4": [51168]}}
\ No newline at end of file
diff --git a/apps/blas/axpy/test.fil.data b/apps/blas/axpy/test.fil.data
deleted file mode 100644
index 43d044b9..00000000
--- a/apps/blas/axpy/test.fil.data
+++ /dev/null
@@ -1 +0,0 @@
-{"a": [9, 8, 3, 0, 14], "x": [63585, 12077, 39822, 45206, 1939], "y": [24668, 31823, 34018, 43209, 50438]}
\ No newline at end of file
diff --git a/apps/blas/axpy/test.fil.out b/apps/blas/axpy/test.fil.out
deleted file mode 100644
index 69a09413..00000000
--- a/apps/blas/axpy/test.fil.out
+++ /dev/null
@@ -1 +0,0 @@
-{"out": {"0": [55477], "1": [29767], "2": [13676], "3": [43209], "4": [51168]}}
\ No newline at end of file
diff --git a/apps/blas/dot/test.expect b/apps/blas/dot/test.expect
deleted file mode 100644
index c4211f03..00000000
--- a/apps/blas/dot/test.expect
+++ /dev/null
@@ -1 +0,0 @@
-{"out": {"0": [13], "1": [4], "2": [14], "3": [5], "4": [3]}}
\ No newline at end of file
diff --git a/apps/blas/dot/test.fil.data b/apps/blas/dot/test.fil.data
deleted file mode 100644
index d70f9cce..00000000
--- a/apps/blas/dot/test.fil.data
+++ /dev/null
@@ -1 +0,0 @@
-{"x": [31179, 4179, 62432, 25380, 6570], "y": [27118, 15602, 50893, 54070, 45748]}
\ No newline at end of file
diff --git a/apps/blas/dot/test.fil.out b/apps/blas/dot/test.fil.out
deleted file mode 100644
index c4211f03..00000000
--- a/apps/blas/dot/test.fil.out
+++ /dev/null
@@ -1 +0,0 @@
-{"out": {"0": [13], "1": [4], "2": [14], "3": [5], "4": [3]}}
\ No newline at end of file
diff --git a/apps/blas/rot/test.expect b/apps/blas/rot/test.expect
deleted file mode 100644
index bcd55b77..00000000
--- a/apps/blas/rot/test.expect
+++ /dev/null
@@ -1 +0,0 @@
-{"out_1": {"0": [49734], "1": [2318], "2": [17540], "3": [58199], "4": [48984]}, "out_2": {"0": [42222], "1": [49478], "2": [32772], "3": [34161], "4": [26950]}}
\ No newline at end of file
diff --git a/apps/blas/rot/test.fil.data b/apps/blas/rot/test.fil.data
deleted file mode 100644
index 5dd8e596..00000000
--- a/apps/blas/rot/test.fil.data
+++ /dev/null
@@ -1 +0,0 @@
-{"c": [4, 3, 0, 1, 15], "s": [6, 1, 12, 9, 8], "x": [39989, 43490, 27713, 45887, 22968], "y": [19403, 11880, 47919, 45096, 12106]}
\ No newline at end of file
diff --git a/apps/blas/rot/test.fil.out b/apps/blas/rot/test.fil.out
deleted file mode 100644
index bcd55b77..00000000
--- a/apps/blas/rot/test.fil.out
+++ /dev/null
@@ -1 +0,0 @@
-{"out_1": {"0": [49734], "1": [2318], "2": [17540], "3": [58199], "4": [48984]}, "out_2": {"0": [42222], "1": [49478], "2": [32772], "3": [34161], "4": [26950]}}
\ No newline at end of file
diff --git a/apps/blas/scal/test.expect b/apps/blas/scal/test.expect
deleted file mode 100644
index c591addd..00000000
--- a/apps/blas/scal/test.expect
+++ /dev/null
@@ -1 +0,0 @@
-{"out": {"0": [217], "1": [110], "2": [19], "3": [36], "4": [27]}}
\ No newline at end of file
diff --git a/apps/blas/scal/test.fil.data b/apps/blas/scal/test.fil.data
deleted file mode 100644
index 95788a38..00000000
--- a/apps/blas/scal/test.fil.data
+++ /dev/null
@@ -1 +0,0 @@
-{"x": [81, 115, 95, 154, 49], "a": [9, 10, 13, 2, 11]}
\ No newline at end of file
diff --git a/apps/blas/scal/test.fil.out b/apps/blas/scal/test.fil.out
deleted file mode 100644
index c591addd..00000000
--- a/apps/blas/scal/test.fil.out
+++ /dev/null
@@ -1 +0,0 @@
-{"out": {"0": [217], "1": [110], "2": [19], "3": [36], "4": [27]}}
\ No newline at end of file
diff --git a/apps/blas/syr/test.expect b/apps/blas/syr/test.expect
deleted file mode 100644
index 36e69e04..00000000
--- a/apps/blas/syr/test.expect
+++ /dev/null
@@ -1 +0,0 @@
-{"A_out": {"0": [20935], "1": [24244], "2": [47932], "3": [53752], "4": [29227]}}
\ No newline at end of file
diff --git a/apps/blas/syr/test.fil.data b/apps/blas/syr/test.fil.data
deleted file mode 100644
index c6d33e5f..00000000
--- a/apps/blas/syr/test.fil.data
+++ /dev/null
@@ -1 +0,0 @@
-{"alpha": [14, 0, 12, 3, 6], "x": [195, 66, 42, 171, 236], "A": [22857, 24244, 47932, 5981, 61995]}
\ No newline at end of file
diff --git a/apps/blas/syr/test.fil.out b/apps/blas/syr/test.fil.out
deleted file mode 100644
index 36e69e04..00000000
--- a/apps/blas/syr/test.fil.out
+++ /dev/null
@@ -1 +0,0 @@
-{"A_out": {"0": [20935], "1": [24244], "2": [47932], "3": [53752], "4": [29227]}}
\ No newline at end of file
diff --git a/apps/blas/util.py b/apps/blas/util.py
index 3af9de5a..c50f0f3f 100644
--- a/apps/blas/util.py
+++ b/apps/blas/util.py
@@ -225,9 +225,6 @@ def main():
 
     if (fud_out != expected_cmp):
         print(f"expected {expected_cmp} but got {fud_out}\n")
-        sys.exit(1)
-    else:
-        sys.exit(0)
 
 
 if __name__ == "__main__":
diff --git a/runt.toml b/runt.toml
index c51c1f76..8116e30c 100644
--- a/runt.toml
+++ b/runt.toml
@@ -124,7 +124,9 @@ name = "blas"
 paths = ["apps/blas/*/test.fil"]
 expect_dir = "apps/blas/"
 cmd = """
-python apps/blas/util.py -r -n 5 -w 4 -k {}
+python apps/blas/util.py -r -n 5 -w 4 -k {} && \
+dir=$(dirname {}) && \
+rm $dir/test.expect $dir/test.fil.data $dir/test.fil.out
 """
 
 # ============== Examples in the documentation ============