diff --git a/tests/test_general.py b/tests/test_general.py
index 6a0e2b47e..7bf98397d 100644
--- a/tests/test_general.py
+++ b/tests/test_general.py
@@ -911,17 +911,11 @@ def test_bboxlog_2885():
     
     bbl = page.get_bboxlog()
     wt = pymupdf.TOOLS.mupdf_warnings()
-    if pymupdf.mupdf_version_tuple >= (1, 28):
-        assert wt == ''
-    else:
-        assert wt == 'invalid marked content and clip nesting'
+    assert wt == 'invalid marked content and clip nesting'
     
     bbl = page.get_bboxlog(layers=True)
     wt = pymupdf.TOOLS.mupdf_warnings()
-    if pymupdf.mupdf_version_tuple >= (1, 28):
-        assert wt == ''
-    else:
-        assert wt == 'invalid marked content and clip nesting'
+    assert wt == 'invalid marked content and clip nesting'
 
 def test_3081():
     '''
@@ -1763,10 +1757,7 @@ def test_3569():
                 '</svg>\n'
                 )
     wt = pymupdf.TOOLS.mupdf_warnings()
-    if pymupdf.mupdf_version_tuple >= (1, 28):
-        assert wt == 'unknown cid collection: PDFAUTOCAD-Indentity0\nnon-embedded font using identity encoding: ArialMT (mapping via )'
-    else:
-        assert wt == 'unknown cid collection: PDFAUTOCAD-Indentity0\nnon-embedded font using identity encoding: ArialMT (mapping via )\ninvalid marked content and clip nesting'
+    assert wt == 'unknown cid collection: PDFAUTOCAD-Indentity0\nnon-embedded font using identity encoding: ArialMT (mapping via )\ninvalid marked content and clip nesting'
 
 def test_3450():
     # This issue is a slow-down, so we just show time taken - it's not safe
diff --git a/tests/test_textextract.py b/tests/test_textextract.py
index caa0d618c..3553715ee 100644
--- a/tests/test_textextract.py
+++ b/tests/test_textextract.py
@@ -111,7 +111,7 @@ def get_text(page, space_guess):
         out = pymupdf.mupdf.FzOutput( buffer_)
         writer = pymupdf.mupdf.FzDocumentWriter(
                 out,
-                'text,space-guess={space_guess}',
+                f'text,space-guess={space_guess}',
                 pymupdf.mupdf.FzDocumentWriter.OutputType_DOCX,
                 )
         device = pymupdf.mupdf.fz_begin_page(writer, pymupdf.mupdf.fz_bound_page(page))