diff --git a/libretro-common/glsm/glsm.c b/libretro-common/glsm/glsm.c
index fc92cb8b96..4c4546a1e0 100644
--- a/libretro-common/glsm/glsm.c
+++ b/libretro-common/glsm/glsm.c
@@ -1851,6 +1851,18 @@ void *rglFenceSync(GLenum condition, GLbitfield flags)
 #endif
 }
 
+/*
+ *
+ * Core in:
+ * OpenGL    : 3.2
+ * OpenGLES  : 3.0
+ */
+void rglDeleteSync(GLsync sync) {
+#if defined(HAVE_OPENGL) || defined(HAVE_OPENGLES) && defined(HAVE_OPENGLES3)
+  glDeleteSync(sync);
+#endif
+}
+
 /*
  *
  * Core in:
diff --git a/libretro-common/include/glsm/glsmsym.h b/libretro-common/include/glsm/glsmsym.h
index 2ef21bed99..40caa27fcc 100644
--- a/libretro-common/include/glsm/glsmsym.h
+++ b/libretro-common/include/glsm/glsmsym.h
@@ -161,6 +161,7 @@ RETRO_BEGIN_DECLS
 #define glClearBufferfi             rglClearBufferfi
 #define glWaitSync                  rglWaitSync
 #define glFenceSync                 rglFenceSync
+#define glDeleteSync                rglDeleteSync
 #define glBufferStorage             rglBufferStorage
 #define glFlushMappedBufferRange    rglFlushMappedBufferRange
 #define glClientWaitSync            rglClientWaitSync
@@ -400,6 +401,7 @@ void rglTexSubImage2D( 	GLenum target,
   	const GLvoid * pixels);
 void rglDeleteVertexArrays(GLsizei n, const GLuint *arrays);
 void *rglFenceSync(GLenum condition, GLbitfield flags);
+void rglDeleteSync(GLsync sync);
 void rglWaitSync(void *sync, GLbitfield flags, uint64_t timeout);
 void rglBufferStorage(GLenum target, GLsizeiptr size, const GLvoid *data, GLbitfield flags);
 void rglFlushMappedBufferRange(GLenum target, GLintptr offset, GLsizeiptr length);