diff --git a/repertory/librepertory/src/file_manager/cache_size_mgr.cpp b/repertory/librepertory/src/file_manager/cache_size_mgr.cpp
index 138e1647..65f348b5 100644
--- a/repertory/librepertory/src/file_manager/cache_size_mgr.cpp
+++ b/repertory/librepertory/src/file_manager/cache_size_mgr.cpp
@@ -82,7 +82,7 @@ void cache_size_mgr::initialize(app_config *cfg) {
 
 auto cache_size_mgr::shrink(std::uint64_t size) -> api_error {
   mutex_lock lock(mtx_);
-  if (size >= cache_size_) {
+  if (cache_size_ >= size) {
     cache_size_ -= size;
   } else {
     cache_size_ = 0U;
diff --git a/repertory/librepertory/src/file_manager/open_file.cpp b/repertory/librepertory/src/file_manager/open_file.cpp
index b39ee174..0e804334 100644
--- a/repertory/librepertory/src/file_manager/open_file.cpp
+++ b/repertory/librepertory/src/file_manager/open_file.cpp
@@ -499,7 +499,13 @@ auto open_file::close() -> bool {
     return true;
   }
 
-  if (not utils::file::file(fsi_.source_path).remove()) {
+  auto file = utils::file::file{fsi_.source_path};
+  if (file.remove()) {
+    err = cache_size_mgr::instance().shrink(file.size().value_or(0U));
+    if (err != api_error::success) {
+      utils::error::raise_api_path_error(function_name, api_path, err,
+    }                                       "failed to shrink cache");
+  } else {
     utils::error::raise_api_path_error(
         function_name, get_api_path(), fsi_.source_path,
         utils::get_last_error_code(), "failed to delete source file");