diff --git a/src/main/java/org/apache/commons/lang3/ArchUtils.java b/src/main/java/org/apache/commons/lang3/ArchUtils.java
index 9307b2280..05f2f8ae5 100644
--- a/src/main/java/org/apache/commons/lang3/ArchUtils.java
+++ b/src/main/java/org/apache/commons/lang3/ArchUtils.java
@@ -85,7 +85,7 @@ private static void init_PPC_64Bit() {
      * @param processor The {@link Processor} to add.
      * @throws IllegalStateException If the key already exists.
      */
-    private static void addProcessor(final String key, final Processor processor) throws IllegalStateException {
+    private static void addProcessor(final String key, final Processor processor) {
         if (!ARCH_TO_PROCESSOR.containsKey(key)) {
             ARCH_TO_PROCESSOR.put(key, processor);
         } else {
@@ -101,7 +101,7 @@ private static void addProcessor(final String key, final Processor processor) th
      * @param processor The {@link Processor} to add.
      * @throws IllegalStateException If the key already exists.
      */
-    private static void addProcessors(final Processor processor, final String... keys) throws IllegalStateException {
+    private static void addProcessors(final Processor processor, final String... keys) {
         for (final String key : keys) {
             addProcessor(key, processor);
         }
diff --git a/src/main/java/org/apache/commons/lang3/ClassUtils.java b/src/main/java/org/apache/commons/lang3/ClassUtils.java
index 11fab8667..be3770b5b 100644
--- a/src/main/java/org/apache/commons/lang3/ClassUtils.java
+++ b/src/main/java/org/apache/commons/lang3/ClassUtils.java
@@ -1084,7 +1084,7 @@ public static Class<?> getClass(final String className, final boolean initialize
      *  or if the method doesn't conform with the requirements
      */
     public static Method getPublicMethod(final Class<?> cls, final String methodName, final Class<?>... parameterTypes)
-            throws SecurityException, NoSuchMethodException {
+            throws NoSuchMethodException {
 
         final Method declaredMethod = cls.getMethod(methodName, parameterTypes);
         if (Modifier.isPublic(declaredMethod.getDeclaringClass().getModifiers())) {
diff --git a/src/main/java/org/apache/commons/lang3/ObjectUtils.java b/src/main/java/org/apache/commons/lang3/ObjectUtils.java
index 6b93a7d65..2f0c6687b 100644
--- a/src/main/java/org/apache/commons/lang3/ObjectUtils.java
+++ b/src/main/java/org/apache/commons/lang3/ObjectUtils.java
@@ -867,7 +867,7 @@ public static byte CONST(final byte v) {
      * @return the byte v, unchanged
      * @since 3.2
      */
-    public static byte CONST_BYTE(final int v) throws IllegalArgumentException {
+    public static byte CONST_BYTE(final int v) {
         if (v < Byte.MIN_VALUE || v > Byte.MAX_VALUE) {
             throw new IllegalArgumentException("Supplied value must be a valid byte literal between -128 and 127: [" + v + "]");
         }
@@ -936,7 +936,7 @@ public static short CONST(final short v) {
      * @return the byte v, unchanged
      * @since 3.2
      */
-    public static short CONST_SHORT(final int v) throws IllegalArgumentException {
+    public static short CONST_SHORT(final int v) {
         if (v < Short.MIN_VALUE || v > Short.MAX_VALUE) {
             throw new IllegalArgumentException("Supplied value must be a valid byte literal between -32768 and 32767: [" + v + "]");
         }
diff --git a/src/main/java/org/apache/commons/lang3/builder/ReflectionToStringBuilder.java b/src/main/java/org/apache/commons/lang3/builder/ReflectionToStringBuilder.java
index 9390d831c..392cdb539 100644
--- a/src/main/java/org/apache/commons/lang3/builder/ReflectionToStringBuilder.java
+++ b/src/main/java/org/apache/commons/lang3/builder/ReflectionToStringBuilder.java
@@ -696,7 +696,7 @@ public Class<?> getUpToClass() {
      *
      * @see java.lang.reflect.Field#get(Object)
      */
-    protected Object getValue(final Field field) throws IllegalArgumentException, IllegalAccessException {
+    protected Object getValue(final Field field) throws IllegalAccessException {
         return field.get(this.getObject());
     }
 
diff --git a/src/main/java/org/apache/commons/lang3/concurrent/EventCountCircuitBreaker.java b/src/main/java/org/apache/commons/lang3/concurrent/EventCountCircuitBreaker.java
index dd282dc9b..daac02614 100644
--- a/src/main/java/org/apache/commons/lang3/concurrent/EventCountCircuitBreaker.java
+++ b/src/main/java/org/apache/commons/lang3/concurrent/EventCountCircuitBreaker.java
@@ -269,8 +269,7 @@ public boolean checkState() {
      * {@inheritDoc}
      */
     @Override
-    public boolean incrementAndCheckState(final Integer increment)
-            throws CircuitBreakingException {
+    public boolean incrementAndCheckState(final Integer increment) {
         return performStateCheck(increment);
     }
 
diff --git a/src/main/java/org/apache/commons/lang3/concurrent/ThresholdCircuitBreaker.java b/src/main/java/org/apache/commons/lang3/concurrent/ThresholdCircuitBreaker.java
index a6f423e7f..ac2673991 100644
--- a/src/main/java/org/apache/commons/lang3/concurrent/ThresholdCircuitBreaker.java
+++ b/src/main/java/org/apache/commons/lang3/concurrent/ThresholdCircuitBreaker.java
@@ -91,7 +91,7 @@ public long getThreshold() {
      * {@inheritDoc}
      */
     @Override
-    public boolean checkState() throws CircuitBreakingException {
+    public boolean checkState() {
         return isOpen();
     }
 
@@ -112,7 +112,7 @@ public void close() {
      * <p>If the threshold is zero, the circuit breaker will be in a permanent <em>open</em> state.</p>
      */
     @Override
-    public boolean incrementAndCheckState(final Long increment) throws CircuitBreakingException {
+    public boolean incrementAndCheckState(final Long increment) {
         if (threshold == 0) {
             open();
         }
diff --git a/src/main/java/org/apache/commons/lang3/math/NumberUtils.java b/src/main/java/org/apache/commons/lang3/math/NumberUtils.java
index c9cdf6f95..3837cc97c 100644
--- a/src/main/java/org/apache/commons/lang3/math/NumberUtils.java
+++ b/src/main/java/org/apache/commons/lang3/math/NumberUtils.java
@@ -447,7 +447,7 @@ public static short toShort(final String str, final short defaultValue) {
      * @return Number created from the string (or null if the input is null)
      * @throws NumberFormatException if the value cannot be converted
      */
-    public static Number createNumber(final String str) throws NumberFormatException {
+    public static Number createNumber(final String str) {
         if (str == null) {
             return null;
         }
diff --git a/src/main/java/org/apache/commons/lang3/mutable/MutableByte.java b/src/main/java/org/apache/commons/lang3/mutable/MutableByte.java
index fa8853c42..dfedf78a4 100644
--- a/src/main/java/org/apache/commons/lang3/mutable/MutableByte.java
+++ b/src/main/java/org/apache/commons/lang3/mutable/MutableByte.java
@@ -73,7 +73,7 @@ public MutableByte(final Number value) {
      * @throws NumberFormatException if the string cannot be parsed into a byte
      * @since 2.5
      */
-    public MutableByte(final String value) throws NumberFormatException {
+    public MutableByte(final String value) {
         super();
         this.value = Byte.parseByte(value);
     }
diff --git a/src/main/java/org/apache/commons/lang3/mutable/MutableDouble.java b/src/main/java/org/apache/commons/lang3/mutable/MutableDouble.java
index 78aa4ff54..a9037bd37 100644
--- a/src/main/java/org/apache/commons/lang3/mutable/MutableDouble.java
+++ b/src/main/java/org/apache/commons/lang3/mutable/MutableDouble.java
@@ -71,7 +71,7 @@ public MutableDouble(final Number value) {
      * @throws NumberFormatException if the string cannot be parsed into a double
      * @since 2.5
      */
-    public MutableDouble(final String value) throws NumberFormatException {
+    public MutableDouble(final String value) {
         super();
         this.value = Double.parseDouble(value);
     }
diff --git a/src/main/java/org/apache/commons/lang3/mutable/MutableFloat.java b/src/main/java/org/apache/commons/lang3/mutable/MutableFloat.java
index 53880f85b..700ac5cc8 100644
--- a/src/main/java/org/apache/commons/lang3/mutable/MutableFloat.java
+++ b/src/main/java/org/apache/commons/lang3/mutable/MutableFloat.java
@@ -71,7 +71,7 @@ public MutableFloat(final Number value) {
      * @throws NumberFormatException if the string cannot be parsed into a float
      * @since 2.5
      */
-    public MutableFloat(final String value) throws NumberFormatException {
+    public MutableFloat(final String value) {
         super();
         this.value = Float.parseFloat(value);
     }
diff --git a/src/main/java/org/apache/commons/lang3/mutable/MutableInt.java b/src/main/java/org/apache/commons/lang3/mutable/MutableInt.java
index 7484abdcb..330d02c37 100644
--- a/src/main/java/org/apache/commons/lang3/mutable/MutableInt.java
+++ b/src/main/java/org/apache/commons/lang3/mutable/MutableInt.java
@@ -73,7 +73,7 @@ public MutableInt(final Number value) {
      * @throws NumberFormatException if the string cannot be parsed into an int
      * @since 2.5
      */
-    public MutableInt(final String value) throws NumberFormatException {
+    public MutableInt(final String value) {
         super();
         this.value = Integer.parseInt(value);
     }
diff --git a/src/main/java/org/apache/commons/lang3/mutable/MutableLong.java b/src/main/java/org/apache/commons/lang3/mutable/MutableLong.java
index 520ff078d..4bf0fa5f0 100644
--- a/src/main/java/org/apache/commons/lang3/mutable/MutableLong.java
+++ b/src/main/java/org/apache/commons/lang3/mutable/MutableLong.java
@@ -73,7 +73,7 @@ public MutableLong(final Number value) {
      * @throws NumberFormatException if the string cannot be parsed into a long
      * @since 2.5
      */
-    public MutableLong(final String value) throws NumberFormatException {
+    public MutableLong(final String value) {
         super();
         this.value = Long.parseLong(value);
     }
diff --git a/src/main/java/org/apache/commons/lang3/mutable/MutableShort.java b/src/main/java/org/apache/commons/lang3/mutable/MutableShort.java
index dbcaebf2b..72c32dd51 100644
--- a/src/main/java/org/apache/commons/lang3/mutable/MutableShort.java
+++ b/src/main/java/org/apache/commons/lang3/mutable/MutableShort.java
@@ -73,7 +73,7 @@ public MutableShort(final Number value) {
      * @throws NumberFormatException if the string cannot be parsed into a short
      * @since 2.5
      */
-    public MutableShort(final String value) throws NumberFormatException {
+    public MutableShort(final String value) {
         super();
         this.value = Short.parseShort(value);
     }