diff --git a/conformance/results/mypy/directives_version_platform.toml b/conformance/results/mypy/directives_version_platform.toml
index 29b10c8ac..7396a9dce 100644
--- a/conformance/results/mypy/directives_version_platform.toml
+++ b/conformance/results/mypy/directives_version_platform.toml
@@ -9,10 +9,6 @@ directives_version_platform.py:27: error: Incompatible types in assignment (expr
 directives_version_platform.py:40: error: Incompatible types in assignment (expression has type "str", variable has type "int")  [assignment]
 directives_version_platform.py:45: error: Incompatible types in assignment (expression has type "str", variable has type "int")  [assignment]
 """
-conformance_automated = "Fail"
+conformance_automated = "Pass"
 errors_diff = """
-Line 19: Unexpected errors ['directives_version_platform.py:19: error: Incompatible types in assignment (expression has type "str", variable has type "int")  [assignment]']
-Line 27: Unexpected errors ['directives_version_platform.py:27: error: Incompatible types in assignment (expression has type "str", variable has type "int")  [assignment]']
-Line 40: Unexpected errors ['directives_version_platform.py:40: error: Incompatible types in assignment (expression has type "str", variable has type "int")  [assignment]']
-Line 45: Unexpected errors ['directives_version_platform.py:45: error: Incompatible types in assignment (expression has type "str", variable has type "int")  [assignment]']
 """
diff --git a/conformance/results/pyre/directives_version_platform.toml b/conformance/results/pyre/directives_version_platform.toml
index fde74f498..24d9f1ea7 100644
--- a/conformance/results/pyre/directives_version_platform.toml
+++ b/conformance/results/pyre/directives_version_platform.toml
@@ -13,6 +13,4 @@ conformance_automated = "Fail"
 errors_diff = """
 Line 31: Unexpected errors ['directives_version_platform.py:31:4 Incompatible variable type [9]: val5 is declared to have type `int` but is used as type `str`.']
 Line 36: Unexpected errors ['directives_version_platform.py:36:4 Incompatible variable type [9]: val6 is declared to have type `int` but is used as type `str`.']
-Line 40: Unexpected errors ['directives_version_platform.py:40:4 Incompatible variable type [9]: val7 is declared to have type `int` but is used as type `str`.']
-Line 45: Unexpected errors ['directives_version_platform.py:45:4 Incompatible variable type [9]: val8 is declared to have type `int` but is used as type `str`.']
 """
diff --git a/conformance/results/pytype/directives_version_platform.toml b/conformance/results/pytype/directives_version_platform.toml
index 49a20192d..6d9473c7f 100644
--- a/conformance/results/pytype/directives_version_platform.toml
+++ b/conformance/results/pytype/directives_version_platform.toml
@@ -8,9 +8,6 @@ File "directives_version_platform.py", line 27, in <module>: Type annotation for
 File "directives_version_platform.py", line 40, in <module>: Type annotation for val7 does not match type of assignment [annotation-type-mismatch]
 File "directives_version_platform.py", line 45, in <module>: Type annotation for val8 does not match type of assignment [annotation-type-mismatch]
 """
-conformance_automated = "Fail"
+conformance_automated = "Pass"
 errors_diff = """
-Line 27: Unexpected errors ['File "directives_version_platform.py", line 27, in <module>: Type annotation for val3 does not match type of assignment [annotation-type-mismatch]']
-Line 40: Unexpected errors ['File "directives_version_platform.py", line 40, in <module>: Type annotation for val7 does not match type of assignment [annotation-type-mismatch]']
-Line 45: Unexpected errors ['File "directives_version_platform.py", line 45, in <module>: Type annotation for val8 does not match type of assignment [annotation-type-mismatch]']
 """
diff --git a/conformance/tests/directives_version_platform.py b/conformance/tests/directives_version_platform.py
index 52278a38a..2ffc85cda 100644
--- a/conformance/tests/directives_version_platform.py
+++ b/conformance/tests/directives_version_platform.py
@@ -16,7 +16,7 @@
 if sys.version_info >= (3, 8, 0):
     pass
 else:
-    val2: int = ""  # Should not generate an error
+    val2: int = ""  # E?: May not generate an error (support for three-element sys.version is optional)
 
 if sys.version_info < (3, 8):
     val3: int = ""  # Should not generate an error
@@ -24,7 +24,7 @@
 if sys.version_info < (3, 100, 0):
     pass
 else:
-    val3: int = ""  # Should not generate an error
+    val3: int = ""  # E?: May not generate an error (support for three-element sys.version is optional)
 
 
 if sys.platform == "bogus_platform":
@@ -37,9 +37,9 @@
 
 
 if os.name == "bogus_os":
-    val7: int = ""  # Should not generate an error
+    val7: int = ""  # E?: May not generate an error (support for os.name is optional)
 
 if os.name != "bogus_platform":
     pass
 else:
-    val8: int = ""  # Should not generate an error
+    val8: int = ""  # E?: May not generate an error (support for os.name is optional)