diff --git a/langtools/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/util/Utils.java b/langtools/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/util/Utils.java
index eb9d0240732..5914a2e6013 100644
--- a/langtools/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/util/Utils.java
+++ b/langtools/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/util/Utils.java
@@ -176,7 +176,7 @@ public class Utils {
         List<Element> excludeList = members.stream()
                 .filter((member) -> (!isDeprecated(member)))
                 .sorted(makeGeneralPurposeComparator())
-                .collect(Collectors.toCollection(ArrayList::new));
+                .collect(Collectors.<Element, List<Element>>toCollection(ArrayList::new));
         return excludeList;
     }
 
diff --git a/langtools/src/jdk.javadoc/share/classes/jdk/javadoc/internal/tool/RootDocImpl.java b/langtools/src/jdk.javadoc/share/classes/jdk/javadoc/internal/tool/RootDocImpl.java
index 2e6d63cf000..1f122c9e43b 100644
--- a/langtools/src/jdk.javadoc/share/classes/jdk/javadoc/internal/tool/RootDocImpl.java
+++ b/langtools/src/jdk.javadoc/share/classes/jdk/javadoc/internal/tool/RootDocImpl.java
@@ -272,7 +272,7 @@ public class RootDocImpl implements DocletEnvironment {
     public List<Element> getSelectedElements(List<? extends Element> elements) {
         return elements.stream()
                 .filter(e -> isIncluded(e))
-                .collect(Collectors.toList());
+                .collect(Collectors.<Element>toList());
     }
 
     @Override