diff --git a/include/hardware/audio_effect.h b/include/hardware/audio_effect.h
index 46e323d..2c8f2e3 100644
--- a/include/hardware/audio_effect.h
+++ b/include/hardware/audio_effect.h
@@ -873,8 +873,10 @@
 //      Effect library interface
 /////////////////////////////////////////////////
 
-// Effect library interface version 2.0
-#define EFFECT_LIBRARY_API_VERSION EFFECT_MAKE_API_VERSION(2,0)
+// Effect library interface version 3.0
+// Note that EffectsFactory.c only checks the major version component, so changes to the minor
+// number can only be used for fully backwards compatible changes
+#define EFFECT_LIBRARY_API_VERSION EFFECT_MAKE_API_VERSION(3,0)
 
 #define AUDIO_EFFECT_LIBRARY_TAG ((('A') << 24) | (('E') << 16) | (('L') << 8) | ('T'))
 
@@ -893,57 +895,6 @@
 
     ////////////////////////////////////////////////////////////////////////////////
     //
-    //    Function:        query_num_effects
-    //
-    //    Description:    Returns the number of different effects exposed by the
-    //          library. Each effect must have a unique effect uuid (see
-    //          effect_descriptor_t). This function together with EffectQueryEffect()
-    //          is used to enumerate all effects present in the library.
-    //
-    //    Input/Output:
-    //          pNumEffects:    address where the number of effects should be returned.
-    //
-    //    Output:
-    //        returned value:    0          successful operation.
-    //                          -ENODEV     library failed to initialize
-    //                          -EINVAL     invalid pNumEffects
-    //        *pNumEffects:     updated with number of effects in library
-    //
-    ////////////////////////////////////////////////////////////////////////////////
-    int32_t (*query_num_effects)(uint32_t *pNumEffects);
-
-    ////////////////////////////////////////////////////////////////////////////////
-    //
-    //    Function:        query_effect
-    //
-    //    Description:    Returns the descriptor of the effect engine which index is
-    //          given as argument.
-    //          See effect_descriptor_t for details on effect descriptors.
-    //          This function together with EffectQueryNumberEffects() is used to enumerate all
-    //          effects present in the library. The enumeration sequence is:
-    //              EffectQueryNumberEffects(&num_effects);
-    //              for (i = 0; i < num_effects; i++)
-    //                  EffectQueryEffect(i,...);
-    //
-    //    Input/Output:
-    //          index:          index of the effect
-    //          pDescriptor:    address where to return the effect descriptor.
-    //
-    //    Output:
-    //        returned value:    0          successful operation.
-    //                          -ENODEV     library failed to initialize
-    //                          -EINVAL     invalid pDescriptor or index
-    //                          -ENOSYS     effect list has changed since last execution of
-    //                                      EffectQueryNumberEffects()
-    //                          -ENOENT     no more effect available
-    //        *pDescriptor:     updated with the effect descriptor.
-    //
-    ////////////////////////////////////////////////////////////////////////////////
-    int32_t (*query_effect)(uint32_t index,
-                            effect_descriptor_t *pDescriptor);
-
-    ////////////////////////////////////////////////////////////////////////////////
-    //
     //    Function:        create_effect
     //
     //    Description:    Creates an effect engine of the specified implementation uuid and