diff --git a/inference-engine/cmake/FindlibGNA.cmake b/inference-engine/cmake/FindlibGNA.cmake
index a32466102e1cb5..5968ec8624f7d7 100644
--- a/inference-engine/cmake/FindlibGNA.cmake
+++ b/inference-engine/cmake/FindlibGNA.cmake
@@ -14,50 +14,20 @@ endif ()
 
 set(libGNA_FOUND TRUE)
 
-set(GNA_KERNEL_LIB_NAME gna CACHE STRING "" FORCE)
 set(GNA_LIBS_LIST
         "libGNA::API"
         "libGNA::KERNEL")
-
-if (GNA_LIBRARY_VERSION STREQUAL "GNA1")
-    # use old version of GNA Library from gna_20181120
-    if (WIN32)
-        set(GNA_LIB_DIR x64 CACHE STRING "" FORCE)
-    else ()
-        list(APPEND GNA_LIBS_LIST
-                "libGNA::OLD_API_LIB")
-        set(GNA_LIB_DIR lib CACHE STRING "" FORCE)
-        set(GNA_KERNEL_LIB_NAME gna_kernel CACHE STRING "" FORCE)
-    endif()
-    set(libGNA_INCLUDE_DIRS "${GNA}/${GNA_PLATFORM_DIR}/include" CACHE STRING "" FORCE)
-else()
-    # use current version of GNA library
-    set(GNA_LIB_DIR x64 CACHE STRING "" FORCE)
-    set(libGNA_INCLUDE_DIRS "${GNA}/include" CACHE STRING "" FORCE)
-endif()
-set(libGNA_LIBRARIES_BASE_PATH ${GNA}/${GNA_PLATFORM_DIR}/${GNA_LIB_DIR} CACHE STRING "" FORCE)
+set(libGNA_LIBRARIES_BASE_PATH "${GNA}/${GNA_PLATFORM_DIR}/x64" CACHE STRING "" FORCE)
 
 add_library(libGNA::KERNEL SHARED IMPORTED)
 find_library(GNA_KERNEL_LIBRARY
-        ${GNA_KERNEL_LIB_NAME}
+        gna
         HINTS
         ${libGNA_LIBRARIES_BASE_PATH})
 set_target_properties(libGNA::KERNEL PROPERTIES IMPORTED_LOCATION ${GNA_KERNEL_LIBRARY})
 
-if ((GNA_LIBRARY_VERSION STREQUAL "GNA1") AND (NOT WIN32))
-    add_library(libGNA::OLD_API_LIB SHARED IMPORTED)
-    find_library(GNA_API_LIBRARY
-            gna_api
-            HINTS
-            ${libGNA_LIBRARIES_BASE_PATH})
-    set_target_properties(libGNA::OLD_API_LIB PROPERTIES IMPORTED_LOCATION ${GNA_API_LIBRARY})
-    target_link_libraries(libGNA::OLD_API_LIB INTERFACE libGNA::KERNEL)
-    set_target_properties(libGNA::OLD_API_LIB PROPERTIES IMPORTED_NO_SONAME TRUE)
-    set_target_properties(libGNA::KERNEL PROPERTIES IMPORTED_NO_SONAME TRUE)
-endif()
-
 add_library(libGNA::API INTERFACE IMPORTED)
-set_property(TARGET libGNA::API PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${libGNA_INCLUDE_DIRS})
+set_property(TARGET libGNA::API PROPERTY INTERFACE_INCLUDE_DIRECTORIES "${GNA}/include")
 
 add_library(libGNA INTERFACE IMPORTED)
 foreach(_lib_name ${GNA_LIBS_LIST})
@@ -75,6 +45,6 @@ endforeach(_lib_name)
 if (WIN32)
     set_target_properties(libGNA::KERNEL PROPERTIES
         IMPORTED_IMPLIB ${GNA_KERNEL_LIBRARY})
-elseif(NOT GNA_LIBRARY_VERSION STREQUAL "GNA1")
+else()
     set_target_properties(libGNA PROPERTIES INTERFACE_LINK_OPTIONS "-Wl,-rpath-link,${libGNA_LIBRARIES_BASE_PATH}")
 endif ()
diff --git a/inference-engine/cmake/check_features_ie.cmake b/inference-engine/cmake/check_features_ie.cmake
index 9eccd8518f534e..c156c7a906e291 100644
--- a/inference-engine/cmake/check_features_ie.cmake
+++ b/inference-engine/cmake/check_features_ie.cmake
@@ -25,11 +25,6 @@ endif()
 
 if (ENABLE_GNA)
     add_definitions(-DENABLE_GNA)
-
-    if (UNIX AND NOT APPLE AND CMAKE_COMPILER_IS_GNUCC AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.4)
-        message(WARNING "${GNA_LIBRARY_VERSION} is not supported on GCC version ${CMAKE_CXX_COMPILER_VERSION}. Fallback to GNA1")
-        set(GNA_LIBRARY_VERSION GNA1)
-    endif()
 endif()
 
 if (ENABLE_SPEECH_DEMO)
diff --git a/inference-engine/cmake/dependencies.cmake b/inference-engine/cmake/dependencies.cmake
index 72bf2f99e9dbaa..fedec6e33c011b 100644
--- a/inference-engine/cmake/dependencies.cmake
+++ b/inference-engine/cmake/dependencies.cmake
@@ -274,22 +274,16 @@ if (ENABLE_GNA)
             GNA_LIB_DIR
             libGNA_INCLUDE_DIRS
             libGNA_LIBRARIES_BASE_PATH)
-    if (GNA_LIBRARY_VERSION STREQUAL "GNA1")
-        RESOLVE_DEPENDENCY(GNA
-                ARCHIVE_UNIFIED "GNA/gna_20181120.zip"
-                TARGET_PATH "${TEMP}/gna")
-    else()
-        if(GNA_LIBRARY_VERSION STREQUAL "GNA1_1401")
-            set(GNA_VERSION "01.00.00.1401")
-        endif()
-        if(GNA_LIBRARY_VERSION STREQUAL "GNA2")
-            set(GNA_VERSION "02.00.00.0925")
-        endif()
-        RESOLVE_DEPENDENCY(GNA
-                ARCHIVE_UNIFIED "GNA/GNA_${GNA_VERSION}.zip"
-                TARGET_PATH "${TEMP}/gna_${GNA_VERSION}"
-                VERSION_REGEX ".*_([0-9]+.[0-9]+.[0-9]+.[0-9]+).*")
+    if(GNA_LIBRARY_VERSION STREQUAL "GNA1_1401")
+        set(GNA_VERSION "01.00.00.1401")
+    endif()
+    if(GNA_LIBRARY_VERSION STREQUAL "GNA2")
+        set(GNA_VERSION "02.00.00.0925")
     endif()
+    RESOLVE_DEPENDENCY(GNA
+            ARCHIVE_UNIFIED "GNA/GNA_${GNA_VERSION}.zip"
+            TARGET_PATH "${TEMP}/gna_${GNA_VERSION}"
+            VERSION_REGEX ".*_([0-9]+.[0-9]+.[0-9]+.[0-9]+).*")
     update_deps_cache(GNA "${GNA}" "Path to GNA root folder")
     debug_message(STATUS "gna=" ${GNA})
 endif()
diff --git a/inference-engine/cmake/features_ie.cmake b/inference-engine/cmake/features_ie.cmake
index 84f4c1daef42f1..102130ff6464e7 100644
--- a/inference-engine/cmake/features_ie.cmake
+++ b/inference-engine/cmake/features_ie.cmake
@@ -45,18 +45,13 @@ if (NOT THREADING STREQUAL "TBB" AND
 endif()
 
 if (ENABLE_GNA)
-    if (UNIX AND NOT APPLE AND CMAKE_COMPILER_IS_GNUCC AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.4)
-        set (DEFAULT_GNA_LIB GNA1)
-    else()
-        set (DEFAULT_GNA_LIB GNA2)
-    endif()
+    set (DEFAULT_GNA_LIB GNA2)
     set(GNA_LIBRARY_VERSION "${DEFAULT_GNA_LIB}" CACHE STRING "GNAVersion")
-    set_property(CACHE GNA_LIBRARY_VERSION PROPERTY STRINGS "GNA1" "GNA1_1401" "GNA2")
+    set_property(CACHE GNA_LIBRARY_VERSION PROPERTY STRINGS "GNA1_1401" "GNA2")
     list (APPEND IE_OPTIONS GNA_LIBRARY_VERSION)
-    if (NOT GNA_LIBRARY_VERSION STREQUAL "GNA1" AND
-        NOT GNA_LIBRARY_VERSION STREQUAL "GNA1_1401" AND
+    if (NOT GNA_LIBRARY_VERSION STREQUAL "GNA1_1401" AND
         NOT GNA_LIBRARY_VERSION STREQUAL "GNA2")
-        message(FATAL_ERROR "GNA_LIBRARY_VERSION should be set to GNA1, GNA1_1401 or GNA2. Default option is ${DEFAULT_GNA_LIB}")
+        message(FATAL_ERROR "GNA_LIBRARY_VERSION should be set to GNA1_1401 or GNA2. Default option is ${DEFAULT_GNA_LIB}")
     endif()
 endif()