diff --git a/tests/src/test/java/org/teavm/classlib/java/lang/ClassTest.java b/tests/src/test/java/org/teavm/classlib/java/lang/ClassTest.java
index 44c8b2260..55d3be7b4 100644
--- a/tests/src/test/java/org/teavm/classlib/java/lang/ClassTest.java
+++ b/tests/src/test/java/org/teavm/classlib/java/lang/ClassTest.java
@@ -180,7 +180,7 @@ public class ClassTest {
     }
 
     @Test
-    @SkipPlatform({TestPlatform.C, TestPlatform.WEBASSEMBLY})
+    @SkipPlatform({TestPlatform.C, TestPlatform.WEBASSEMBLY, TestPlatform.WASI})
     public void annotationsExposed() {
         Annotation[] annotations = A.class.getAnnotations();
         assertEquals(1, annotations.length);
@@ -188,7 +188,7 @@ public class ClassTest {
     }
 
     @Test
-    @SkipPlatform({TestPlatform.C, TestPlatform.WEBASSEMBLY})
+    @SkipPlatform({TestPlatform.C, TestPlatform.WEBASSEMBLY, TestPlatform.WASI})
     public void annotationFieldsExposed() {
         AnnotWithDefaultField annot = B.class.getAnnotation(AnnotWithDefaultField.class);
         assertEquals(2, annot.x());
@@ -197,7 +197,7 @@ public class ClassTest {
     }
 
     @Test
-    @SkipPlatform({TestPlatform.C, TestPlatform.WEBASSEMBLY})
+    @SkipPlatform({TestPlatform.C, TestPlatform.WEBASSEMBLY, TestPlatform.WASI})
     public void annotationFieldTypesSupported() {
         AnnotWithVariousFields annot = D.class.getAnnotation(AnnotWithVariousFields.class);
         assertEquals(true, annot.a());
@@ -218,7 +218,7 @@ public class ClassTest {
     }
 
     @Test
-    @SkipPlatform({TestPlatform.C, TestPlatform.WEBASSEMBLY})
+    @SkipPlatform({TestPlatform.C, TestPlatform.WEBASSEMBLY, TestPlatform.WASI})
     public void getInterfaces() {
         assertEquals(0, SuperclassWithoutInterfaces.class.getInterfaces().length);
         assertEquals(Set.of(TestInterface1.class, TestInterface2.class),
diff --git a/tests/src/test/java/org/teavm/classlib/java/time/format/TestDateTimeParsing.java b/tests/src/test/java/org/teavm/classlib/java/time/format/TestDateTimeParsing.java
index 76fd33a82..ec1c7e1b2 100644
--- a/tests/src/test/java/org/teavm/classlib/java/time/format/TestDateTimeParsing.java
+++ b/tests/src/test/java/org/teavm/classlib/java/time/format/TestDateTimeParsing.java
@@ -182,13 +182,14 @@ public class TestDateTimeParsing {
     }
 
     @Test(dataProvider = "instantNoZone", expectedExceptions = DateTimeException.class)
-    @SkipPlatform(TestPlatform.C)
+    @SkipPlatform({TestPlatform.C, TestPlatform.WEBASSEMBLY, TestPlatform.WASI})
     public void test_parse_instantNoZone_ZDT(DateTimeFormatter formatter, String text, Instant expected) {
         TemporalAccessor actual = formatter.parse(text);
         ZonedDateTime.from(actual);
     }
 
     @Test(dataProvider = "instantNoZone", expectedExceptions = DateTimeException.class)
+    @SkipPlatform(TestPlatform.C)
     public void test_parse_instantNoZone_LDT(DateTimeFormatter formatter, String text, Instant expected) {
         TemporalAccessor actual = formatter.parse(text);
         LocalDateTime.from(actual);