diff --git a/core/api/src/main/java/org/onosproject/net/flow/FlowEntry.java b/core/api/src/main/java/org/onosproject/net/flow/FlowEntry.java
index 401ef0e..32da179 100644
--- a/core/api/src/main/java/org/onosproject/net/flow/FlowEntry.java
+++ b/core/api/src/main/java/org/onosproject/net/flow/FlowEntry.java
@@ -23,7 +23,7 @@
 public interface FlowEntry extends FlowRule {
 
 
-    public enum FlowEntryState {
+    enum FlowEntryState {
 
         /**
          * Indicates that this rule has been submitted for addition.
diff --git a/core/api/src/main/java/org/onosproject/net/flow/FlowRule.java b/core/api/src/main/java/org/onosproject/net/flow/FlowRule.java
index 6497e11..9a32d0f 100644
--- a/core/api/src/main/java/org/onosproject/net/flow/FlowRule.java
+++ b/core/api/src/main/java/org/onosproject/net/flow/FlowRule.java
@@ -34,7 +34,7 @@
      * Default is used.
      */
     @Deprecated
-    public static enum Type {
+    static enum Type {
         /*
          * Default type - used in flow rule for single table switch NOTE: this
          * setting should not be used as Table 0 in a multi-table pipeline
@@ -138,7 +138,7 @@
     /**
      * A flowrule builder.
      */
-    public interface Builder {
+    interface Builder {
 
         /**
          * Assigns a cookie value to this flowrule. Mutually exclusive with the
diff --git a/core/api/src/main/java/org/onosproject/net/flow/criteria/Criterion.java b/core/api/src/main/java/org/onosproject/net/flow/criteria/Criterion.java
index 5712c90..12ab57d 100644
--- a/core/api/src/main/java/org/onosproject/net/flow/criteria/Criterion.java
+++ b/core/api/src/main/java/org/onosproject/net/flow/criteria/Criterion.java
@@ -25,7 +25,7 @@
      * Types of fields to which the selection criterion may apply.
      */
     // From page 75 of OpenFlow 1.5.0 spec
-    public enum Type {
+    enum Type {
         /** Switch input port. */
         IN_PORT,
         /** Switch physical input port. */
@@ -137,13 +137,13 @@
      *
      * @return type of criterion
      */
-    public Type type();
+    Type type();
 
     /**
      * Bit definitions for IPv6 Extension Header pseudo-field.
      * From page 79 of OpenFlow 1.5.0 spec.
      */
-    public enum IPv6ExthdrFlags {
+    enum IPv6ExthdrFlags {
         /** "No next header" encountered. */
         NONEXT((short) (1 << 0)),
         /** Encrypted Sec Payload header present. */