diff --git a/exporters/otlp/testing-internal/src/main/java/io/opentelemetry/exporter/otlp/testing/internal/AbstractGrpcTelemetryExporterTest.java b/exporters/otlp/testing-internal/src/main/java/io/opentelemetry/exporter/otlp/testing/internal/AbstractGrpcTelemetryExporterTest.java
index 4070b565bf7..908dd454631 100644
--- a/exporters/otlp/testing-internal/src/main/java/io/opentelemetry/exporter/otlp/testing/internal/AbstractGrpcTelemetryExporterTest.java
+++ b/exporters/otlp/testing-internal/src/main/java/io/opentelemetry/exporter/otlp/testing/internal/AbstractGrpcTelemetryExporterTest.java
@@ -988,6 +988,7 @@ void toBuilderEquality()
         assertThat(copy.unwrap())
             .extracting("builder")
             .usingRecursiveComparison()
+            .withStrictTypeChecking()
             .ignoringFields("tlsConfigHelper")
             .isEqualTo(builderField.get(unwrapped));
       } finally {
@@ -1000,6 +1001,7 @@ void toBuilderEquality()
         assertThat(copy.unwrap())
             .extracting("builder")
             .usingRecursiveComparison()
+            .withStrictTypeChecking()
             .ignoringFields("tlsConfigHelper")
             .isNotEqualTo(builderField.get(unwrapped));
       } finally {
diff --git a/exporters/otlp/testing-internal/src/main/java/io/opentelemetry/exporter/otlp/testing/internal/AbstractHttpTelemetryExporterTest.java b/exporters/otlp/testing-internal/src/main/java/io/opentelemetry/exporter/otlp/testing/internal/AbstractHttpTelemetryExporterTest.java
index e73fb3683f8..dd3c096d113 100644
--- a/exporters/otlp/testing-internal/src/main/java/io/opentelemetry/exporter/otlp/testing/internal/AbstractHttpTelemetryExporterTest.java
+++ b/exporters/otlp/testing-internal/src/main/java/io/opentelemetry/exporter/otlp/testing/internal/AbstractHttpTelemetryExporterTest.java
@@ -850,6 +850,7 @@ void toBuilderEquality()
         assertThat(copy.unwrap())
             .extracting("builder")
             .usingRecursiveComparison()
+            .withStrictTypeChecking()
             .ignoringFields("tlsConfigHelper")
             .isEqualTo(builderField.get(unwrapped));
       } finally {
@@ -862,6 +863,7 @@ void toBuilderEquality()
         assertThat(copy.unwrap())
             .extracting("builder")
             .usingRecursiveComparison()
+            .withStrictTypeChecking()
             .ignoringFields("tlsConfigHelper")
             .isNotEqualTo(builderField.get(unwrapped));
       } finally {
diff --git a/sdk/logs/src/test/java/io/opentelemetry/sdk/logs/LogLimitsTest.java b/sdk/logs/src/test/java/io/opentelemetry/sdk/logs/LogLimitsTest.java
index 4acb0666bab..06b128eeb5b 100644
--- a/sdk/logs/src/test/java/io/opentelemetry/sdk/logs/LogLimitsTest.java
+++ b/sdk/logs/src/test/java/io/opentelemetry/sdk/logs/LogLimitsTest.java
@@ -29,7 +29,10 @@ void updateLogLimits_All() {
     // Preserves values
     LogLimits logLimitsDupe = logLimits.toBuilder().build();
     // Use reflective comparison to catch when new fields are added.
-    assertThat(logLimitsDupe).usingRecursiveComparison().isEqualTo(logLimits);
+    assertThat(logLimitsDupe)
+        .usingRecursiveComparison()
+        .withStrictTypeChecking()
+        .isEqualTo(logLimits);
   }
 
   @Test
diff --git a/sdk/metrics/src/test/java/io/opentelemetry/sdk/metrics/internal/view/ViewRegistryTest.java b/sdk/metrics/src/test/java/io/opentelemetry/sdk/metrics/internal/view/ViewRegistryTest.java
index ee1a61d1d35..72361b36ef1 100644
--- a/sdk/metrics/src/test/java/io/opentelemetry/sdk/metrics/internal/view/ViewRegistryTest.java
+++ b/sdk/metrics/src/test/java/io/opentelemetry/sdk/metrics/internal/view/ViewRegistryTest.java
@@ -488,6 +488,7 @@ void findViews_ApplyAdvice() {
               assertThat(view)
                   .as("is the same as the default view, except the attributes processor")
                   .usingRecursiveComparison()
+                  .withStrictTypeChecking()
                   .ignoringFields("viewAttributesProcessor")
                   .isEqualTo(DEFAULT_REGISTERED_VIEW);
               assertThat(view)
@@ -520,6 +521,7 @@ void findViews_ApplyAdvice() {
               assertThat(view)
                   .as("is the same as the default view, except the attributes processor")
                   .usingRecursiveComparison()
+                  .withStrictTypeChecking()
                   .ignoringFields("viewAttributesProcessor")
                   .isEqualTo(DEFAULT_REGISTERED_VIEW);
               assertThat(view)
diff --git a/sdk/trace/src/test/java/io/opentelemetry/sdk/trace/config/SpanLimitsTest.java b/sdk/trace/src/test/java/io/opentelemetry/sdk/trace/config/SpanLimitsTest.java
index 73d9ac2e842..309bdf398c1 100644
--- a/sdk/trace/src/test/java/io/opentelemetry/sdk/trace/config/SpanLimitsTest.java
+++ b/sdk/trace/src/test/java/io/opentelemetry/sdk/trace/config/SpanLimitsTest.java
@@ -42,7 +42,10 @@ void updateSpanLimits_All() {
     // Preserves values
     SpanLimits spanLimitsDupe = spanLimits.toBuilder().build();
     // Use reflective comparison to catch when new fields are added.
-    assertThat(spanLimitsDupe).usingRecursiveComparison().isEqualTo(spanLimits);
+    assertThat(spanLimitsDupe)
+        .usingRecursiveComparison()
+        .withStrictTypeChecking()
+        .isEqualTo(spanLimits);
   }
 
   @Test