3 files changed, 2 insertions, 5 deletions
diff --git a/src/lookup/lookup.h b/src/lookup/lookup.h
index 1a7ad55..d4ddc37 100644
--- a/src/lookup/lookup.h
+++ b/src/lookup/lookup.h
@@ -53,6 +53,8 @@ struct lookup_value_t{
 };
 
 
+enum constraint_type{NO_CONSTRAINT, CONSTRAINT_ONESTEP, CONSTRAINT_NOSEARCH };
+
 class FacadePhraseIndex;
 
 
diff --git a/src/lookup/phonetic_lookup.h b/src/lookup/phonetic_lookup.h
index 1108198..078a467 100644
--- a/src/lookup/phonetic_lookup.h
+++ b/src/lookup/phonetic_lookup.h
@@ -111,8 +111,6 @@ struct matrix_value_t {
 #include "phonetic_lookup_heap.h"
 #endif
 
-enum constraint_type{NO_CONSTRAINT, CONSTRAINT_ONESTEP, CONSTRAINT_NOSEARCH };
-
 struct trellis_constraint_t {
     /* the constraint type */
     constraint_type m_type;
diff --git a/src/lookup/pinyin_lookup2.h b/src/lookup/pinyin_lookup2.h
index 7a21966..ba902b8 100644
--- a/src/lookup/pinyin_lookup2.h
+++ b/src/lookup/pinyin_lookup2.h
@@ -43,9 +43,6 @@ namespace pinyin{
  */
 
 
-
-enum constraint_type{NO_CONSTRAINT, CONSTRAINT_ONESTEP, CONSTRAINT_NOSEARCH };
-
 struct lookup_constraint_t{
     /* current type of the step */
     constraint_type m_type;