diff --git a/src/gb/core.c b/src/gb/core.c
index a4819348a..ec425c8f5 100644
--- a/src/gb/core.c
+++ b/src/gb/core.c
@@ -54,6 +54,7 @@ static void _GBCoreDeinit(struct mCore* core) {
 #if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
 	mDirectorySetDeinit(&core->dirs);
 #endif
+	free(core);
 }
 
 static enum mPlatform _GBCorePlatform(struct mCore* core) {
diff --git a/src/gba/core.c b/src/gba/core.c
index 7623a8d86..9399e25fa 100644
--- a/src/gba/core.c
+++ b/src/gba/core.c
@@ -64,6 +64,7 @@ static void _GBACoreDeinit(struct mCore* core) {
 #if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
 	mDirectorySetDeinit(&core->dirs);
 #endif
+	free(core);
 }
 
 static enum mPlatform _GBACorePlatform(struct mCore* core) {