diff --git a/hexrd/core/instrument/hedm_instrument.py b/hexrd/core/instrument/hedm_instrument.py
index 78d7de323..162f58eef 100644
--- a/hexrd/core/instrument/hedm_instrument.py
+++ b/hexrd/core/instrument/hedm_instrument.py
@@ -2245,7 +2245,7 @@ def __init__(self, filename):
             self.fid = filename
         else:
             self.fid = open(filename, 'w')
-        print(self._header, file=self.fid)
+        logger.info(self._header, file=self.fid)
 
     def __del__(self):
         self.close()
@@ -2282,7 +2282,7 @@ def dump_patch(
                 self._delim.join(np.tile('{:<23.16e}', 10)).format(*res[7:]),
             ]
         )
-        print(output_str, file=self.fid)
+        logger.info(output_str, file=self.fid)
         return output_str
 
 
@@ -2337,7 +2337,7 @@ def __init__(self, filename=None, array=None):
             self.fid = filename
         else:
             self.fid = open(filename, 'w')
-        print(self._header, file=self.fid)
+        logger.info(self._header, file=self.fid)
 
     def __del__(self):
         self.close()
@@ -2373,7 +2373,7 @@ def dump_grain(self, grain_id, completeness, chisq, grain_params):
                 self._delim.join(np.tile('{:<23.16e}', len(res) - 3)).format(*res[3:]),
             ]
         )
-        print(output_str, file=self.fid)
+        logger.info(output_str, file=self.fid)
         return output_str
 
 
diff --git a/hexrd/core/material/material.py b/hexrd/core/material/material.py
index 587178317..656068474 100644
--- a/hexrd/core/material/material.py
+++ b/hexrd/core/material/material.py
@@ -1562,26 +1562,3 @@ def get_hkl_strings(pdata):
         'return_indices': True,
     }
     return np.intersect1d(**kwargs)[1:]
-
-
-#
-#  ============================== Executable section for testing
-#
-
-
-if __name__ == '__main__':
-    #
-    #  For testing
-    #
-    import sys
-
-    if len(sys.argv) == 1:
-        print("need argument:  materials.cfg")
-        sys.exit()
-
-    ml = loadMaterialList(sys.argv[1])
-
-    print('MATERIAL LIST\n')
-    print(('   from file:  ', sys.argv[1]))
-    for m in ml:
-        print(m)
diff --git a/hexrd/core/material/symbols.py b/hexrd/core/material/symbols.py
index cbaf9e653..4f83d80fd 100644
--- a/hexrd/core/material/symbols.py
+++ b/hexrd/core/material/symbols.py
@@ -222,11 +222,12 @@ def PrintPossibleSG(xtal_sys):
 
     for i in range(sgmin, sgmax + 1):
         j = i - sgmin + 1
-        pstr = f'{i}:{pstr_spacegroup[i - 1]}\t'
+        pstr = f"{i}:{pstr_spacegroup[i - 1]}\t"
+        line += pstr
+
         if j % 4 == 0 or j == sgmax:
-            print(pstr)
-        else:
-            print(pstr, end='')
+            logger.info(line.rstrip())
+            line = ""
 
     return sgmin, sgmax
 
diff --git a/hexrd/core/valunits.py b/hexrd/core/valunits.py
index f2d5f6be4..1eaf02894 100644
--- a/hexrd/core/valunits.py
+++ b/hexrd/core/valunits.py
@@ -34,7 +34,6 @@
 
 """
 
-import doctest
 import math
 
 import numpy as np
@@ -308,31 +307,3 @@ def _degrees(x: float) -> valWUnit:
 
 # Function alias
 _angstroms = _angstrom
-
-if __name__ == '__main__':  # pragma: no cover
-    #
-    #  doc testing
-    #
-    print("running doctest")
-    doctest.testmod()
-
-    #
-    #  other tests
-    #
-    def testConversions():
-        print('===== Testing unit conversions ...')
-        print('..... angles:')
-        v = valWUnit('180d', 'angle', 180.0, 'degrees')
-        print(v)
-        print(('   in degrees:', v.getVal('degrees')))
-        print(('   in radians: ', v.getVal('radians')))
-
-        print('..... lengths:')
-        ulist = ['m', 'mm', 'meter', 'angstrom']
-        v = valWUnit('one meter', 'length', 1.0, 'meter')
-        print(v)
-        for u in ulist:
-            print(('   in ', u, ': ', v.getVal(u)))
-        return
-
-    testConversions()
diff --git a/scripts/install/install_build_dependencies.py b/scripts/install/install_build_dependencies.py
index 632855c22..4ff4d4e68 100755
--- a/scripts/install/install_build_dependencies.py
+++ b/scripts/install/install_build_dependencies.py
@@ -183,5 +183,4 @@ def install(library, destination):
     library = sys.argv[1]
     destination = sys.argv[2]
 
-    print(f'Installing "{library}" to "{destination}"')
     install(library, destination)
diff --git a/tests/fit_grains_check.py b/tests/fit_grains_check.py
index e74502bbd..7a27187aa 100755
--- a/tests/fit_grains_check.py
+++ b/tests/fit_grains_check.py
@@ -138,7 +138,3 @@ def compare_grain_fits(
         ctol=ctol,
         vtol=vtol,
     )
-    if cresult:
-        print("test passed")
-    else:
-        print("test failed")