diff --git a/src/layers/advanced_activations/ELU.js b/src/layers/advanced_activations/ELU.js
index 89982df..0c2acaa 100644
--- a/src/layers/advanced_activations/ELU.js
+++ b/src/layers/advanced_activations/ELU.js
@@ -9,8 +9,8 @@ export default class ELU extends Layer {
    * Creates a ELU activation layer
    * @param {number} alpha - scale for the negative factor
    */
-  constructor (alpha = 1.0) {
-    super({})
+  constructor (alpha = 1.0, attrs = {}) {
+    super(attrs)
     this.alpha = alpha
   }
 
diff --git a/src/layers/advanced_activations/LeakyReLU.js b/src/layers/advanced_activations/LeakyReLU.js
index a18ce88..6cd6f8a 100644
--- a/src/layers/advanced_activations/LeakyReLU.js
+++ b/src/layers/advanced_activations/LeakyReLU.js
@@ -9,8 +9,8 @@ export default class LeakyReLU extends Layer {
    * Creates a LeakyReLU activation layer
    * @param {number} alpha - negative slope coefficient
    */
-  constructor (alpha = 0.3) {
-    super({})
+  constructor (alpha = 0.3, attrs = {}) {
+    super(attrs)
     this.alpha = alpha
   }
 
diff --git a/src/layers/advanced_activations/PReLU.js b/src/layers/advanced_activations/PReLU.js
index 43e9b83..b9a3f25 100644
--- a/src/layers/advanced_activations/PReLU.js
+++ b/src/layers/advanced_activations/PReLU.js
@@ -14,8 +14,8 @@ export default class PReLU extends Layer {
   /**
    * Creates a PReLU activation layer
    */
-  constructor () {
-    super({})
+  constructor (attrs = {}) {
+    super(attrs)
 
     // Layer weights specification
     this.params = ['alphas']
diff --git a/src/layers/advanced_activations/ParametricSoftplus.js b/src/layers/advanced_activations/ParametricSoftplus.js
index 27fced0..ec8fc15 100644
--- a/src/layers/advanced_activations/ParametricSoftplus.js
+++ b/src/layers/advanced_activations/ParametricSoftplus.js
@@ -9,8 +9,8 @@ export default class ParametricSoftplus extends Layer {
   /**
    * Creates a ParametricSoftplus activation layer
    */
-  constructor () {
-    super({})
+  constructor (attrs = {}) {
+    super(attrs)
 
     // Layer weights specification
     this.params = ['alphas', 'betas']
diff --git a/src/layers/advanced_activations/SReLU.js b/src/layers/advanced_activations/SReLU.js
index 69f5ec9..c6bb578 100644
--- a/src/layers/advanced_activations/SReLU.js
+++ b/src/layers/advanced_activations/SReLU.js
@@ -9,8 +9,8 @@ export default class SReLU extends Layer {
   /**
    * Creates a SReLU activation layer
    */
-  constructor () {
-    super({})
+  constructor (attrs = {}) {
+    super(attrs)
 
     // Layer weights specification
     this.params = ['t_left', 'a_left', 't_right', 'a_right']
diff --git a/src/layers/advanced_activations/ThresholdedReLU.js b/src/layers/advanced_activations/ThresholdedReLU.js
index 8da41b3..6f8de47 100644
--- a/src/layers/advanced_activations/ThresholdedReLU.js
+++ b/src/layers/advanced_activations/ThresholdedReLU.js
@@ -9,8 +9,8 @@ export default class ThresholdedReLU extends Layer {
    * Creates a ThresholdedReLU activation layer
    * @param {number} theta - float >= 0. Threshold location of activation.
    */
-  constructor (theta = 1.0) {
-    super({})
+  constructor (theta = 1.0, attrs = {}) {
+    super(attrs)
     this.theta = theta
   }
 
diff --git a/src/layers/core/Activation.js b/src/layers/core/Activation.js
index 2e850b3..e6e4f9f 100644
--- a/src/layers/core/Activation.js
+++ b/src/layers/core/Activation.js
@@ -10,7 +10,7 @@ export default class Activation extends Layer {
    * @param {string} activation - name of activation function
    */
   constructor (activation, attrs = {}) {
-    super({})
+    super(attrs)
     this.activation = activations[activation]
   }
 
diff --git a/src/layers/core/Dropout.js b/src/layers/core/Dropout.js
index 7fd5c1d..a835505 100644
--- a/src/layers/core/Dropout.js
+++ b/src/layers/core/Dropout.js
@@ -9,8 +9,8 @@ export default class Dropout extends Layer {
    * Creates an Dropout layer
    * @param {number} p - fraction of the input units to drop (between 0 and 1)
    */
-  constructor (p) {
-    super({})
+  constructor (p, attrs = {}) {
+    super(attrs)
     this.p = Math.min(Math.max(0, p), 1)
   }
 
diff --git a/src/layers/core/Flatten.js b/src/layers/core/Flatten.js
index 9383b27..993736a 100644
--- a/src/layers/core/Flatten.js
+++ b/src/layers/core/Flatten.js
@@ -12,8 +12,8 @@ export default class Flatten extends Layer {
   /**
    * Creates a Flatten layer
    */
-  constructor () {
-    super({})
+  constructor (attrs = {}) {
+    super(attrs)
   }
 
   /**
diff --git a/src/layers/core/Permute.js b/src/layers/core/Permute.js
index 7b98aa9..b182dfe 100644
--- a/src/layers/core/Permute.js
+++ b/src/layers/core/Permute.js
@@ -10,8 +10,8 @@ export default class Permute extends Layer {
    * Creates a Permute layer
    * @param {number[]} dims
    */
-  constructor (dims) {
-    super({})
+  constructor (dims, attrs = {}) {
+    super(attrs)
     this.dims = dims.map(dim => dim - 1)
   }
 
diff --git a/src/layers/core/RepeatVector.js b/src/layers/core/RepeatVector.js
index 92ba064..12e52cb 100644
--- a/src/layers/core/RepeatVector.js
+++ b/src/layers/core/RepeatVector.js
@@ -12,8 +12,8 @@ export default class RepeatVector extends Layer {
    * Creates a RepeatVector layer
    * @param {number} n
    */
-  constructor (n) {
-    super({})
+  constructor (n, attrs = {}) {
+    super(attrs)
     this.n = n
   }
 
diff --git a/src/layers/core/Reshape.js b/src/layers/core/Reshape.js
index 0fe4b06..0ad607b 100644
--- a/src/layers/core/Reshape.js
+++ b/src/layers/core/Reshape.js
@@ -13,8 +13,8 @@ export default class Reshape extends Layer {
    * Creates a Reshape layer
    * @param {number[]} shape
    */
-  constructor (shape) {
-    super({})
+  constructor (shape, attrs = {}) {
+    super(attrs)
     this.shape = shape
   }