diff --git a/IPython/nbconvert/filters/tests/test_ansi.py b/IPython/nbconvert/filters/tests/test_ansi.py
index b8a55f5..77919c7 100644
--- a/IPython/nbconvert/filters/tests/test_ansi.py
+++ b/IPython/nbconvert/filters/tests/test_ansi.py
@@ -17,7 +17,7 @@ Module with tests for ansi filters
 from IPython.utils.coloransi import TermColors
 
 from ...tests.base import TestsBase
-from ..ansi import *
+from ..ansi import strip_ansi, ansi2html, ansi2latex
 
 
 #-----------------------------------------------------------------------------
diff --git a/IPython/nbconvert/filters/tests/test_highlight.py b/IPython/nbconvert/filters/tests/test_highlight.py
index 2613937..8b352ea 100644
--- a/IPython/nbconvert/filters/tests/test_highlight.py
+++ b/IPython/nbconvert/filters/tests/test_highlight.py
@@ -16,7 +16,7 @@ Module with tests for Highlight
 
 
 from ...tests.base import TestsBase
-from ..highlight import *
+from ..highlight import highlight2html, highlight2latex
 
 
 #-----------------------------------------------------------------------------
diff --git a/IPython/nbconvert/filters/tests/test_latex.py b/IPython/nbconvert/filters/tests/test_latex.py
index 3201f80..8972dac 100644
--- a/IPython/nbconvert/filters/tests/test_latex.py
+++ b/IPython/nbconvert/filters/tests/test_latex.py
@@ -16,7 +16,7 @@ Module with tests for Latex
 
 
 from ...tests.base import TestsBase
-from ..latex import *
+from ..latex import escape_latex, strip_math_space
 
 
 #-----------------------------------------------------------------------------
diff --git a/IPython/nbconvert/filters/tests/test_markdown.py b/IPython/nbconvert/filters/tests/test_markdown.py
index eae4d34..195107e 100644
--- a/IPython/nbconvert/filters/tests/test_markdown.py
+++ b/IPython/nbconvert/filters/tests/test_markdown.py
@@ -21,7 +21,7 @@ from IPython.testing.decorators import onlyif_cmds_exist
 from IPython.utils.py3compat import string_types
 
 from ...tests.base import TestsBase
-from ..markdown import *
+from ..markdown import markdown2latex, markdown2html, markdown2rst
 
 
 #-----------------------------------------------------------------------------
diff --git a/IPython/nbconvert/filters/tests/test_strings.py b/IPython/nbconvert/filters/tests/test_strings.py
index 36b1306..c605b37 100644
--- a/IPython/nbconvert/filters/tests/test_strings.py
+++ b/IPython/nbconvert/filters/tests/test_strings.py
@@ -15,7 +15,8 @@ Module with tests for Strings
 #-----------------------------------------------------------------------------
 
 from ...tests.base import TestsBase
-from ..strings import *
+from ..strings import wrap_text, html2text, add_anchor, strip_dollars, 
+    strip_files_prefix, get_lines, comment_lines, ipython2python
 
 
 #-----------------------------------------------------------------------------