diff --git a/Libraries/LibWeb/WebGL/WebGLRenderingContextBase.idl b/Libraries/LibWeb/WebGL/WebGLRenderingContextBase.idl
index 980f183ec2d..9892c0d8216 100644
--- a/Libraries/LibWeb/WebGL/WebGLRenderingContextBase.idl
+++ b/Libraries/LibWeb/WebGL/WebGLRenderingContextBase.idl
@@ -77,7 +77,7 @@ interface mixin WebGLRenderingContextBase {
 
     undefined cullFace(GLenum mode);
 
-    [FIXME] undefined deleteBuffer(WebGLBuffer? buffer);
+    undefined deleteBuffer(WebGLBuffer? buffer);
     [FIXME] undefined deleteFramebuffer(WebGLFramebuffer? framebuffer);
     undefined deleteProgram(WebGLProgram? program);
     [FIXME] undefined deleteRenderbuffer(WebGLRenderbuffer? renderbuffer);
diff --git a/Meta/Lagom/Tools/CodeGenerators/LibWeb/GenerateWebGLRenderingContext.cpp b/Meta/Lagom/Tools/CodeGenerators/LibWeb/GenerateWebGLRenderingContext.cpp
index f7ecf2f1e03..67f5c898bca 100644
--- a/Meta/Lagom/Tools/CodeGenerators/LibWeb/GenerateWebGLRenderingContext.cpp
+++ b/Meta/Lagom/Tools/CodeGenerators/LibWeb/GenerateWebGLRenderingContext.cpp
@@ -699,6 +699,14 @@ public:
             continue;
         }
 
+        if (function.name == "deleteBuffer"sv) {
+            function_impl_generator.append(R"~~~(
+    auto handle = buffer ? buffer->handle() : 0;
+    glDeleteBuffers(1, &handle);
+)~~~");
+            continue;
+        }
+
         Vector<ByteString> gl_call_arguments;
         for (size_t i = 0; i < function.parameters.size(); ++i) {
             auto const& parameter = function.parameters[i];