diff --git a/test/openssl/test_pkey_dh.rb b/test/openssl/test_pkey_dh.rb
index c82f642c0..f0c42866e 100644
--- a/test/openssl/test_pkey_dh.rb
+++ b/test/openssl/test_pkey_dh.rb
@@ -103,6 +103,8 @@ def test_generate_key
   end if !openssl?(3, 0, 0)
 
   def test_params_ok?
+    omit_on_fips
+
     # Skip the tests in old OpenSSL version 1.1.1c or early versions before
     # applying the following commits in OpenSSL 1.1.1d to make `DH_check`
     # function pass the RFC 7919 FFDHE group texts.
diff --git a/test/openssl/test_pkey_ec.rb b/test/openssl/test_pkey_ec.rb
index 1953b4c2d..e569397c0 100644
--- a/test/openssl/test_pkey_ec.rb
+++ b/test/openssl/test_pkey_ec.rb
@@ -72,6 +72,8 @@ def test_marshal
   end
 
   def test_check_key
+    omit_on_fips
+
     key0 = Fixtures.pkey("p256")
     assert_equal(true, key0.check_key)
     assert_equal(true, key0.private?)