diff --git a/src/main/java/com/samskivert/depot/Funcs.java b/src/main/java/com/samskivert/depot/Funcs.java
index 1333318..0ca46e3 100644
--- a/src/main/java/com/samskivert/depot/Funcs.java
+++ b/src/main/java/com/samskivert/depot/Funcs.java
@@ -127,8 +127,8 @@ public class Funcs
     /**
      * Creates an expression that evaluates to the largest of the given expressions.
      */
-    public static <T extends Number> FluentExp<T> greatest (SQLExpression<? extends T> arg1,
-                                                            SQLExpression<? extends T> arg2)
+    public static <T> FluentExp<T> greatest (SQLExpression<? extends T> arg1,
+                                             SQLExpression<? extends T> arg2)
     {
         return new Greatest<T>(arg1, arg2);
     }
@@ -136,7 +136,7 @@ public class Funcs
     /**
      * Creates an expression that evaluates to the largest of the given expressions.
      */
-    public static <T extends Number> FluentExp<T> greatest (SQLExpression<? extends T>... args)
+    public static <T> FluentExp<T> greatest (SQLExpression<? extends T>... args)
     {
         return new Greatest<T>(args);
     }
@@ -144,8 +144,8 @@ public class Funcs
     /**
      * Creates an expression that evaluates to the smallest of the given expressions.
      */
-    public static <T extends Number> FluentExp<T> least (SQLExpression<? extends T> arg1,
-                                                         SQLExpression<? extends T> arg2)
+    public static <T> FluentExp<T> least (SQLExpression<? extends T> arg1,
+                                          SQLExpression<? extends T> arg2)
     {
         return new Least<T>(arg1, arg2);
     }
@@ -153,7 +153,7 @@ public class Funcs
     /**
      * Creates an expression that evaluates to the smallest of the given expressions.
      */
-    public static <T extends Number> FluentExp<T> least (SQLExpression<? extends T>... args)
+    public static <T> FluentExp<T> least (SQLExpression<? extends T>... args)
     {
         return new Least<T>(args);
     }
diff --git a/src/main/java/com/samskivert/depot/impl/expression/ConditionalFun.java b/src/main/java/com/samskivert/depot/impl/expression/ConditionalFun.java
index 580ff31..f88acc8 100644
--- a/src/main/java/com/samskivert/depot/impl/expression/ConditionalFun.java
+++ b/src/main/java/com/samskivert/depot/impl/expression/ConditionalFun.java
@@ -41,7 +41,7 @@ public abstract class ConditionalFun
         }
     }
 
-    public static class Greatest<T extends Number> extends ManyArgFun<T> {
+    public static class Greatest<T> extends ManyArgFun<T> {
         public Greatest (SQLExpression<? extends T>... args) {
             super(args);
         }
@@ -56,7 +56,7 @@ public abstract class ConditionalFun
         }
     }
 
-    public static class Least<T extends Number> extends ManyArgFun<T> {
+    public static class Least<T> extends ManyArgFun<T> {
         public Least (SQLExpression<? extends T>... args) {
             super(args);
         }