diff --git a/kibot/out_step.py b/kibot/out_step.py
index b78194e7..7bda9f59 100644
--- a/kibot/out_step.py
+++ b/kibot/out_step.py
@@ -5,6 +5,7 @@
 # Project: KiBot (formerly KiPlot)
 import re
 import os
+from glob import glob
 from subprocess import (check_output, STDOUT, CalledProcessError)
 from shutil import rmtree
 from .error import KiPlotConfigurationError
@@ -80,7 +81,9 @@ class STEPOptions(Base3DOptions):
         finally:
             # Remove the temporal PCB
             if board_name != GS.pcb_file:
-                os.remove(board_name)
+                # KiCad likes to create project files ...
+                for f in glob(board_name.replace('.kicad_pcb', '.*')):
+                    os.remove(f)
             # Remove the downloaded 3D models
             if self._tmp_dir:
                 rmtree(self._tmp_dir)
diff --git a/tests/test_plot/test_step.py b/tests/test_plot/test_step.py
index 9b7381b0..4fbec7bd 100644
--- a/tests/test_plot/test_step.py
+++ b/tests/test_plot/test_step.py
@@ -11,6 +11,7 @@ pytest-3 --log-cli-level debug
 
 import os
 import sys
+from glob import glob
 # Look for the 'utils' module from where the script is running
 prev_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 if prev_dir not in sys.path:
@@ -60,6 +61,8 @@ def test_step_variant_1(test_dir):
     ctx.run(extra_debug=True)
     # Check all outputs are there
     ctx.expect_out_file(prj+'-3D.step')
+    tmps = glob(os.path.join(ctx.get_board_dir(), 'tmp*pro'))
+    assert len(tmps) == 0, tmps
     ctx.clean_up(keep_project=True)