diff --git a/wpiutil/src/test/native/cpp/json/unit-cbor.cpp b/wpiutil/src/test/native/cpp/json/unit-cbor.cpp
index f96ff522ac8..f39302c0580 100644
--- a/wpiutil/src/test/native/cpp/json/unit-cbor.cpp
+++ b/wpiutil/src/test/native/cpp/json/unit-cbor.cpp
@@ -1699,5 +1699,8 @@ static const internal::CborRoundtripTestParam rfc7049_appendix_a_objects[] = {
     {"{\"Fun\": true, \"Amt\": -2}", {0xbf,0x63,0x46,0x75,0x6e,0xf5,0x63,0x41,0x6d,0x74,0x21,0xff}, false},
 };
 
-INSTANTIATE_TEST_SUITE_P(CborRfc7049AppendixAObjectTests, CborRoundtripTest,
+// Disabled because serialization order isn't guaranteed by the underlying map
+// container
+INSTANTIATE_TEST_SUITE_P(DISABLED_CborRfc7049AppendixAObjectTests,
+                        CborRoundtripTest,
                         ::testing::ValuesIn(rfc7049_appendix_a_objects));
diff --git a/wpiutil/src/test/native/cpp/json/unit-comparison.cpp b/wpiutil/src/test/native/cpp/json/unit-comparison.cpp
index be1c90215a4..041a8d0f595 100644
--- a/wpiutil/src/test/native/cpp/json/unit-comparison.cpp
+++ b/wpiutil/src/test/native/cpp/json/unit-comparison.cpp
@@ -164,7 +164,9 @@ TEST_F(JsonComparisonValuesTest, NotEqual)
     EXPECT_EQ(nullptr != j_null, !(nullptr == j_null));
 }
 
-TEST_F(JsonComparisonValuesTest, Less)
+// Disabled because serialization order isn't guaranteed by the underlying map
+// container
+TEST_F(JsonComparisonValuesTest, DISABLED_Less)
 {
     static const std::vector<std::vector<bool>> expected =
     {
diff --git a/wpiutil/src/test/native/cpp/json/unit-element_access2.cpp b/wpiutil/src/test/native/cpp/json/unit-element_access2.cpp
index 495e855e10d..24065a1bbbc 100644
--- a/wpiutil/src/test/native/cpp/json/unit-element_access2.cpp
+++ b/wpiutil/src/test/native/cpp/json/unit-element_access2.cpp
@@ -568,14 +568,18 @@ TEST_F(JsonElementObjectRemoveTest, Key)
 }
 
 // erase(begin())
-TEST_F(JsonElementObjectRemoveTest, Begin)
+// Disabled because iteration order isn't guaranteed by the underlying map
+// container
+TEST_F(JsonElementObjectRemoveTest, DISABLED_Begin)
 {
     json jobject = {{"a", "a"}, {"b", 1}, {"c", 17u}};
     jobject.erase(jobject.begin());
     EXPECT_EQ(jobject, json({{"b", 1}, {"c", 17u}}));
 }
 
-TEST_F(JsonElementObjectRemoveTest, BeginConst)
+// Disabled because iteration order isn't guaranteed by the underlying map
+// container
+TEST_F(JsonElementObjectRemoveTest, DISABLED_BeginConst)
 {
     json jobject = {{"a", "a"}, {"b", 1}, {"c", 17u}};
     jobject.erase(jobject.cbegin());
diff --git a/wpiutil/src/test/native/cpp/json/unit-iterators1.cpp b/wpiutil/src/test/native/cpp/json/unit-iterators1.cpp
index dda884fa569..c6924a39fa8 100644
--- a/wpiutil/src/test/native/cpp/json/unit-iterators1.cpp
+++ b/wpiutil/src/test/native/cpp/json/unit-iterators1.cpp
@@ -662,7 +662,9 @@ class JsonIteratorObjectTest : public ::testing::Test {
     json j_const;
 };
 
-TEST_F(JsonIteratorObjectTest, BeginEnd)
+// Disabled because iteration order isn't guaranteed by the underlying map
+// container
+TEST_F(JsonIteratorObjectTest, DISABLED_BeginEnd)
 {
     json::iterator it_begin = j.begin();
     json::iterator it_end = j.end();
@@ -686,7 +688,9 @@ TEST_F(JsonIteratorObjectTest, BeginEnd)
     EXPECT_EQ(it, it_end);
 }
 
-TEST_F(JsonIteratorObjectTest, ConstBeginEnd)
+// Disabled because iteration order isn't guaranteed by the underlying map
+// container
+TEST_F(JsonIteratorObjectTest, DISABLED_ConstBeginEnd)
 {
     json::const_iterator it_begin = j_const.begin();
     json::const_iterator it_end = j_const.end();
@@ -710,7 +714,9 @@ TEST_F(JsonIteratorObjectTest, ConstBeginEnd)
     EXPECT_EQ(it, it_end);
 }
 
-TEST_F(JsonIteratorObjectTest, CBeginEnd)
+// Disabled because iteration order isn't guaranteed by the underlying map
+// container
+TEST_F(JsonIteratorObjectTest, DISABLED_CBeginEnd)
 {
     json::const_iterator it_begin = j.cbegin();
     json::const_iterator it_end = j.cend();
@@ -734,7 +740,9 @@ TEST_F(JsonIteratorObjectTest, CBeginEnd)
     EXPECT_EQ(it, it_end);
 }
 
-TEST_F(JsonIteratorObjectTest, ConstCBeginEnd)
+// Disabled because iteration order isn't guaranteed by the underlying map
+// container
+TEST_F(JsonIteratorObjectTest, DISABLED_ConstCBeginEnd)
 {
     json::const_iterator it_begin = j_const.cbegin();
     json::const_iterator it_end = j_const.cend();
@@ -831,7 +839,9 @@ TEST_F(JsonIteratorObjectTest, ConstCRBeginEnd)
 }
 #endif
 
-TEST_F(JsonIteratorObjectTest, KeyValue)
+// Disabled because iteration order isn't guaranteed by the underlying map
+// container
+TEST_F(JsonIteratorObjectTest, DISABLED_KeyValue)
 {
     auto it = j.begin();
     auto cit = j_const.cbegin();