diff --git a/CMakeLists.txt b/CMakeLists.txt
index f93a054..6ec7d79 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -58,27 +58,6 @@ if (${ENABLE_COVERAGE})
     list(APPEND LINKER_FLAGS gcov)
 endif ()
 
-fetchcontent_declare(
-        assimp
-        GIT_REPOSITORY https://github.com/assimp/assimp.git
-        GIT_TAG v6.0.3
-        GIT_SHALLOW ON
-)
-set(BUILD_SHARED_LIBS ON)
-set(ASSIMP_NO_EXPORT ON)
-set(ASSIMP_INSTALL OFF)
-set(ASSIMP_BUILD_ZLIB OFF)
-set(ASSIMP_BUILD_TESTS OFF)
-set(ASSIMP_WARNINGS_AS_ERRORS OFF)
-set(ASSIMP_INSTALL_PDB OFF)
-set(ASSIMP_INJECT_DEBUG_POSTFIX OFF)
-if (CMAKE_BUILD_TYPE STREQUAL "Debug")
-    set(ASSIMP_INJECT_DEBUG_POSTFIX ON)
-else ()
-    set(ASSIMP_INJECT_DEBUG_POSTFIX OFF)
-endif ()
-fetchcontent_makeavailable(assimp)
-
 fetchcontent_declare(
         spdlog
         GIT_REPOSITORY https://github.com/gabime/spdlog.git
@@ -108,7 +87,6 @@ set_target_properties(LearnGtk4 assimp spdlog_header_only PROPERTIES
 )
 
 target_compile_definitions(LearnGtk4 PUBLIC $<$<CONFIG:Debug>:_GLIBCXX_DEBUG>)
-target_compile_definitions(assimp PUBLIC $<$<CONFIG:Debug>:_GLIBCXX_DEBUG>)
 target_compile_options(LearnGtk4 PUBLIC ${COMPILE_FLAGS})
 target_link_options(LearnGtk4 PUBLIC ${LINKER_OPTIONS})
-target_link_libraries(LearnGtk4 PkgConfig::GTKMM4 assimp spdlog_header_only BillySheet)
+target_link_libraries(LearnGtk4 PkgConfig::GTKMM4 spdlog_header_only BillySheet)