diff --git a/src/core/Frame.hpp b/src/core/Frame.hpp
index 46de922..87aa778 100644
--- a/src/core/Frame.hpp
+++ b/src/core/Frame.hpp
@@ -21,4 +21,7 @@ class Frame {
     public:
     Frame(std::byte* fp, ssize_t rows, ssize_t cols);
     DataType get(int row, int col);
+    ~Frame(){
+        delete[] data;
+    }
 };
\ No newline at end of file
diff --git a/src/file_io/file/File.cpp b/src/file_io/file/File.cpp
index e69de29..944e477 100644
--- a/src/file_io/file/File.cpp
+++ b/src/file_io/file/File.cpp
@@ -0,0 +1,7 @@
+#include "File.hpp"
+
+File::~File() {
+    for (auto& subfile : subfiles) {
+        delete subfile;
+    }
+}
diff --git a/src/file_io/file/File.hpp b/src/file_io/file/File.hpp
index 3081310..ffdf7f3 100644
--- a/src/file_io/file/File.hpp
+++ b/src/file_io/file/File.hpp
@@ -51,7 +51,7 @@ class File {
 
     config cfg{0,0};
     // File();
-    // ~File();
+    ~File();
 
     inline size_t bytes_per_frame() const { return rows * cols * bitdepth / 8; }
     inline size_t pixels() const { return rows * cols; }
diff --git a/src/file_io/file/JsonFile.cpp b/src/file_io/file/JsonFile.cpp
index bb05ea4..f4c3f0e 100644
--- a/src/file_io/file/JsonFile.cpp
+++ b/src/file_io/file/JsonFile.cpp
@@ -10,7 +10,11 @@ Frame<uint16_t> JsonFile::get_frame(int frame_number){
     subfiles[subfile_id]->get_frame(buffer, frame_number%max_frames_per_file);
 
 
-    return Frame<uint16_t>(buffer, rows, cols);
+
+    auto f =  Frame<uint16_t>(buffer, rows, cols);
+
+    delete[] buffer;
+    return f;
 
     
 
diff --git a/src/main.cpp b/src/main.cpp
index 60f5aa9..d1f05b7 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -33,4 +33,5 @@ int main() {
 
 
     delete fileFactory;
+    delete f;
 }