diff --git a/ge/generator/ge_generator.cc b/ge/generator/ge_generator.cc
index 83521fbf..d8134f89 100644
--- a/ge/generator/ge_generator.cc
+++ b/ge/generator/ge_generator.cc
@@ -49,7 +49,6 @@ const char *const kAIcoreEngine = "AIcoreEngine";
 const char *const kFileNameSuffix = "online";
 const size_t kDynamicDimSize = 1;
 const int64_t kDynamicDimValue = -2;
-const size_t kOmInfoSize = 5;
 
 std::map<ge::OpEngineType, std::string> engine_type_map{
     {ge::ENGINE_SYS, kEngineNameDefault}, {ge::ENGINE_AICORE, kAIcoreEngine}, {ge::ENGINE_VECTOR, kVectorEngine}};