diff --git a/packages/webgl/src/api/model.ts b/packages/webgl/src/api/model.ts
index a927453dbd..61655312d1 100644
--- a/packages/webgl/src/api/model.ts
+++ b/packages/webgl/src/api/model.ts
@@ -1,5 +1,5 @@
 import type { IObjectOf } from "@thi.ng/api";
-import { AttribPool } from "@thi.ng/vector-pools";
+import type { AttribPool } from "@thi.ng/vector-pools";
 import type { IndexBufferSpec, IWebGLBuffer } from "./buffers";
 import type { AttribBufferData, IShader, UniformValues } from "./shader";
 import type { ITexture } from "./texture";
diff --git a/packages/webgl/src/api/multipass.ts b/packages/webgl/src/api/multipass.ts
index 3677d56d2d..dc80a12f44 100644
--- a/packages/webgl/src/api/multipass.ts
+++ b/packages/webgl/src/api/multipass.ts
@@ -1,5 +1,5 @@
 import type { IObjectOf } from "@thi.ng/api";
-import { AttribPool } from "@thi.ng/vector-pools";
+import type { AttribPool } from "@thi.ng/vector-pools";
 import type { IFbo, IndexBufferSpec } from "./buffers";
 import type { InstancingSpec, ModelAttributeSpecs, ModelSpec } from "./model";
 import type {
diff --git a/packages/webgl/src/api/shader.ts b/packages/webgl/src/api/shader.ts
index d3e209c58d..93c79d1cb0 100644
--- a/packages/webgl/src/api/shader.ts
+++ b/packages/webgl/src/api/shader.ts
@@ -12,7 +12,7 @@ import type {
 import type { Func, Sym } from "@thi.ng/shader-ast";
 import type { GLSLTarget } from "@thi.ng/shader-ast-glsl";
 import type { ReadonlyVec } from "@thi.ng/vectors";
-import { BlendEquation, BlendFunc } from "./blend";
+import type { BlendEquation, BlendFunc } from "./blend";
 import type { ExtensionBehaviors } from "./ext";
 import type {
     GLIntVec,
diff --git a/packages/webgl/src/buffer.ts b/packages/webgl/src/buffer.ts
index c9c01209ed..358536a67e 100644
--- a/packages/webgl/src/buffer.ts
+++ b/packages/webgl/src/buffer.ts
@@ -1,5 +1,5 @@
 import type { TypedArray } from "@thi.ng/api";
-import { AttribPool } from "@thi.ng/vector-pools";
+import type { AttribPool } from "@thi.ng/vector-pools";
 import type { IndexBufferSpec, IWebGLBuffer } from "./api/buffers";
 import {
     DrawMode,
diff --git a/packages/webgl/src/readpixels.ts b/packages/webgl/src/readpixels.ts
index 8d18aa59b2..30f7e6eaff 100644
--- a/packages/webgl/src/readpixels.ts
+++ b/packages/webgl/src/readpixels.ts
@@ -1,4 +1,8 @@
-import { ITexture, ReadableTextureFormat, TextureType } from "./api/texture";
+import type {
+    ITexture,
+    ReadableTextureFormat,
+    TextureType,
+} from "./api/texture";
 import { FBO } from "./fbo";
 
 export const readPixels = <