diff --git a/Tests/oss-fuzz/fuzz_font.py b/Tests/oss-fuzz/fuzz_font.py
index e11471011..0cc4a99ef 100755
--- a/Tests/oss-fuzz/fuzz_font.py
+++ b/Tests/oss-fuzz/fuzz_font.py
@@ -14,10 +14,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import sys
 
-import atheris_no_libfuzzer as atheris
-import fuzzers
+import atheris
+with atheris.instrument_imports():
+    import sys
+    import fuzzers
 
 
 def TestOneInput(data):
@@ -26,13 +27,12 @@ def TestOneInput(data):
     except Exception:
         # We're catching all exceptions because Pillow's exceptions are
         # directly inheriting from Exception.
-        return
-    return
+        pass
 
 
 def main():
     fuzzers.enable_decompressionbomb_error()
-    atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True)
+    atheris.Setup(sys.argv, TestOneInput)
     atheris.Fuzz()
     fuzzers.disable_decompressionbomb_error()
 
diff --git a/Tests/oss-fuzz/fuzz_pillow.py b/Tests/oss-fuzz/fuzz_pillow.py
index b3c55fe22..3dd1aea0d 100644
--- a/Tests/oss-fuzz/fuzz_pillow.py
+++ b/Tests/oss-fuzz/fuzz_pillow.py
@@ -14,10 +14,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import sys
 
-import atheris_no_libfuzzer as atheris
-import fuzzers
+import atheris
+with atheris.instrument_imports():
+    import sys
+    import fuzzers
 
 
 def TestOneInput(data):
@@ -26,13 +27,12 @@ def TestOneInput(data):
     except Exception:
         # We're catching all exceptions because Pillow's exceptions are
         # directly inheriting from Exception.
-        return
-    return
+        pass
 
 
 def main():
     fuzzers.enable_decompressionbomb_error()
-    atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True)
+    atheris.Setup(sys.argv, TestOneInput)
     atheris.Fuzz()
     fuzzers.disable_decompressionbomb_error()