diff --git a/.gitignore b/.gitignore
index f45a563..fb29c34 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,5 +8,4 @@ compile_commands.json
 .ccache/
 cmake-build-*
 Testing/
-configs/config_vars.yaml
 .DS_Store
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6fc7645..5e52d19 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -51,14 +51,6 @@ if(DEFINED ENV{PREFIX})
   set(CMAKE_INSTALL_PREFIX "${PREFIX_PATH}")
 endif()
 
-set(CONFIG_FALLBACK_PATH
-    "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_SYSCONFDIR}/${PROJECT_NAME}/dynamic_config_fallback.json")
-
-configure_file(
-    "${CMAKE_CURRENT_SOURCE_DIR}/configs/config_vars.template.yaml"
-    "${CMAKE_CURRENT_SOURCE_DIR}/configs/config_vars.yaml"
-)
-
 file(GLOB CONFIGS_FILES ${CMAKE_CURRENT_SOURCE_DIR}/configs/*.yaml ${CMAKE_CURRENT_SOURCE_DIR}/configs/*.json)
 
 install(TARGETS ${PROJECT_NAME} DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT ${PROJECT_NAME})
diff --git a/Makefile b/Makefile
index bac0051..99a54cf 100644
--- a/Makefile
+++ b/Makefile
@@ -56,7 +56,6 @@ clean-debug clean-release: clean-%:
 .PHONY: dist-clean
 dist-clean:
 	@rm -rf build_*
-	@rm -f ./configs/config_vars.yaml
 	@rm -rf tests/__pycache__/
 	@rm -rf tests/.pytest_cache/
 
diff --git a/configs/config_vars.template.yaml b/configs/config_vars.template.yaml
deleted file mode 100644
index c54fc29..0000000
--- a/configs/config_vars.template.yaml
+++ /dev/null
@@ -1,9 +0,0 @@
-worker-threads: 4
-worker-fs-threads: 2
-logger-level: debug
-
-is_testing: false
-
-server-port: 8080
-
-config-fallback-path: @CONFIG_FALLBACK_PATH@
diff --git a/configs/static_config.yaml b/configs/static_config.yaml
index 069a2e0..df08b3b 100644
--- a/configs/static_config.yaml
+++ b/configs/static_config.yaml
@@ -33,11 +33,10 @@ components_manager:
 
         # Dynamic config options. Cache is disabled, updates are disabled.
         dynamic-config:
-            # Load config from dynamic_config_fallback.json file.
-            # For most of userver dynamic configs, defaults are used, some are overridden in the file.
+            # For most of userver dynamic configs, defaults are used, some are overridden here.
             # See userver "dynamic config" docs for what configs exist.
-            defaults-path: $config-fallback-path
-            fs-task-processor: fs-task-processor
+            defaults:
+                HTTP_CLIENT_CONNECTION_POOL_SIZE: 1000
 
         testsuite-support: {}
 
diff --git a/third_party/userver b/third_party/userver
index e1fbef5..d89f688 160000
--- a/third_party/userver
+++ b/third_party/userver
@@ -1 +1 @@
-Subproject commit e1fbef56a94052f37e9fcde7d6fb91590431d7d2
+Subproject commit d89f68897136ce79c188579a98f00fda0b55c111