diff --git a/packages/vector-pools/src/api.ts b/packages/vector-pools/src/api.ts
index 10e7222fe4..657ecc0345 100644
--- a/packages/vector-pools/src/api.ts
+++ b/packages/vector-pools/src/api.ts
@@ -1,4 +1,5 @@
 import {
+    GLType,
     ILogger,
     IObjectOf,
     IRelease,
@@ -55,52 +56,6 @@ export type VecFactory = (
     stride: number
 ) => StridedVec;
 
-/**
- * WebGL numeric type constants. These can be used by classes in this
- * package as aliases for thi.ng/malloc's `Type` enum (see `GL2TYPE` LUT
- * below), but also then used directly when initializing WebGL buffers
- * from given attribute buffer specs.
- *
- * See `AttribPool` & readme examples for more details.
- */
-export const enum GLType {
-    I8 = 0x1400,
-    U8 = 0x1401,
-    I16 = 0x1402,
-    U16 = 0x1403,
-    I32 = 0x1404,
-    U32 = 0x1405,
-    F32 = 0x1406
-}
-
-/**
- * Conversion from `GLType` to `Type`.
- */
-export const GL2TYPE: { [id: number]: Type } = {
-    [GLType.I8]: Type.I8,
-    [GLType.U8]: Type.U8,
-    [GLType.I16]: Type.I16,
-    [GLType.U16]: Type.U16,
-    [GLType.I32]: Type.I32,
-    [GLType.I32]: Type.I32,
-    [GLType.U32]: Type.U32,
-    [GLType.F32]: Type.F32
-};
-
-/**
- * Conversion from `Type` to `GLType`.
- */
-export const TYPE2GL: { [id: number]: GLType } = {
-    [Type.I8]: GLType.I8,
-    [Type.U8]: GLType.U8,
-    [Type.I16]: GLType.I16,
-    [Type.U16]: GLType.U16,
-    [Type.I32]: GLType.I32,
-    [Type.I32]: GLType.I32,
-    [Type.U32]: GLType.U32,
-    [Type.F32]: GLType.F32
-};
-
 export let LOGGER = NULL_LOGGER;
 
 export const setLogger = (logger: ILogger) => (LOGGER = logger);
diff --git a/packages/vector-pools/src/attrib-pool.ts b/packages/vector-pools/src/attrib-pool.ts
index c96de931a9..6613d5049f 100644
--- a/packages/vector-pools/src/attrib-pool.ts
+++ b/packages/vector-pools/src/attrib-pool.ts
@@ -3,11 +3,12 @@ import {
     IObjectOf,
     IRelease,
     SIZEOF,
-    TypedArray
+    TypedArray,
+    TYPEDARRAY_CTORS
 } from "@thi.ng/api";
 import { align, Pow2 } from "@thi.ng/binary";
 import { isNumber } from "@thi.ng/checks";
-import { MemPool, TYPEDARRAY_CTORS, wrap } from "@thi.ng/malloc";
+import { MemPool, wrap } from "@thi.ng/malloc";
 import { range } from "@thi.ng/transducers";
 import { ReadonlyVec, Vec, zeroes } from "@thi.ng/vectors";
 import { AttribPoolOpts, AttribSpec, LOGGER } from "./api";
@@ -123,7 +124,7 @@ export class AttribPool implements IRelease {
         const size = spec.size;
         const stride = spec.stride!;
         const src = this.attribs[id];
-        const dest = new TYPEDARRAY_CTORS[(asNativeType(spec.type))](n * size);
+        const dest = new TYPEDARRAY_CTORS[asNativeType(spec.type)](n * size);
         if (size > 1) {
             for (let i = 0, j = 0; i < n; i++, j += stride) {
                 dest.set(src.subarray(j, j + size), i * size);
@@ -247,9 +248,7 @@ export class AttribPool implements IRelease {
                 () =>
                     (!isNum && a.size === (<Vec>a.default).length) ||
                     (isNum && a.size === 1),
-                `attrib ${id}: incompatible default value, expected size ${
-                    a.size
-                }`
+                `attrib ${id}: incompatible default value, expected size ${a.size}`
             );
             assert(
                 a.byteOffset % size === 0,
diff --git a/packages/vector-pools/src/convert.ts b/packages/vector-pools/src/convert.ts
index 7b03f0863c..0e3116f423 100644
--- a/packages/vector-pools/src/convert.ts
+++ b/packages/vector-pools/src/convert.ts
@@ -1,5 +1,9 @@
-import { Type } from "@thi.ng/api";
-import { GL2TYPE, GLType, TYPE2GL } from "./api";
+import {
+    GL2TYPE,
+    GLType,
+    Type,
+    TYPE2GL
+} from "@thi.ng/api";
 
 /**
  * Returns canonical `Type` value of `type` by first attempting to
diff --git a/packages/vector-pools/src/vec-pool.ts b/packages/vector-pools/src/vec-pool.ts
index 22ffce9c1b..baf47b4575 100644
--- a/packages/vector-pools/src/vec-pool.ts
+++ b/packages/vector-pools/src/vec-pool.ts
@@ -1,8 +1,8 @@
-import { Type, TypedArray } from "@thi.ng/api";
+import { GLType, Type, TypedArray } from "@thi.ng/api";
 import { isTypedArray } from "@thi.ng/checks";
 import { MemPool, MemPoolOpts, MemPoolStats } from "@thi.ng/malloc";
 import { StridedVec } from "@thi.ng/vectors";
-import { GLType, IVecPool } from "./api";
+import { IVecPool } from "./api";
 import { asNativeType } from "./convert";
 import { wrap } from "./wrap";