diff --git a/src/runtime/CL/functions/CLCannyEdge.cpp b/src/runtime/CL/functions/CLCannyEdge.cpp
index 84e8709..4c7458d 100644
--- a/src/runtime/CL/functions/CLCannyEdge.cpp
+++ b/src/runtime/CL/functions/CLCannyEdge.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2018 ARM Limited.
+ * Copyright (c) 2017-2019 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -177,7 +177,7 @@
 
 void CLCannyEdge::run()
 {
-    _memory_group.acquire();
+    MemoryGroupResourceScope scope_mg(_memory_group);
 
     // Run sobel
     _sobel->run();
@@ -199,6 +199,4 @@
     _l1_list_counter.clear(CLScheduler::get().queue());
     _l1_stack.clear(CLScheduler::get().queue());
     CLScheduler::get().enqueue(_edge_trace, true);
-
-    _memory_group.release();
 }
diff --git a/src/runtime/CL/functions/CLConvolution.cpp b/src/runtime/CL/functions/CLConvolution.cpp
index 0131801..2f43ce1 100644
--- a/src/runtime/CL/functions/CLConvolution.cpp
+++ b/src/runtime/CL/functions/CLConvolution.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, 2018 ARM Limited.
+ * Copyright (c) 2016-2019 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -96,12 +96,10 @@
 
     if(_is_separable)
     {
-        _memory_group.acquire();
+        MemoryGroupResourceScope scope_mg(_memory_group);
 
         CLScheduler::get().enqueue(_kernel_hor, false);
         CLScheduler::get().enqueue(_kernel_vert);
-
-        _memory_group.release();
     }
     else
     {
diff --git a/src/runtime/CL/functions/CLDepthwiseConvolutionLayer.cpp b/src/runtime/CL/functions/CLDepthwiseConvolutionLayer.cpp
index 15cbfce..65d3f5f 100644
--- a/src/runtime/CL/functions/CLDepthwiseConvolutionLayer.cpp
+++ b/src/runtime/CL/functions/CLDepthwiseConvolutionLayer.cpp
@@ -179,7 +179,7 @@
 {
     prepare();
 
-    _memory_group.acquire();
+    MemoryGroupResourceScope scope_mg(_memory_group);
 
     if(_needs_permute)
     {
@@ -192,8 +192,6 @@
     {
         _permute_output_to_nhwc.run();
     }
-
-    _memory_group.release();
 }
 
 void CLDepthwiseConvolutionLayer3x3::prepare()
diff --git a/src/runtime/CL/functions/CLDirectDeconvolutionLayer.cpp b/src/runtime/CL/functions/CLDirectDeconvolutionLayer.cpp
index ee76248..721054d 100644
--- a/src/runtime/CL/functions/CLDirectDeconvolutionLayer.cpp
+++ b/src/runtime/CL/functions/CLDirectDeconvolutionLayer.cpp
@@ -170,12 +170,10 @@
 {
     prepare();
 
-    _memory_group.acquire();
+    MemoryGroupResourceScope scope_mg(_memory_group);
 
     _scale_f.run();
     _conv_f.run();
-
-    _memory_group.release();
 }
 
 void CLDirectDeconvolutionLayer::prepare()
diff --git a/src/runtime/CL/functions/CLFFT1D.cpp b/src/runtime/CL/functions/CLFFT1D.cpp
index 6b6735a..d893cd3 100644
--- a/src/runtime/CL/functions/CLFFT1D.cpp
+++ b/src/runtime/CL/functions/CLFFT1D.cpp
@@ -105,7 +105,7 @@
 
 void CLFFT1D::run()
 {
-    _memory_group.acquire();
+    MemoryGroupResourceScope scope_mg(_memory_group);
 
     CLScheduler::get().enqueue(_digit_reverse_kernel, false);
 
@@ -113,7 +113,5 @@
     {
         CLScheduler::get().enqueue(_fft_kernels[i], i == (_num_ffts - 1));
     }
-
-    _memory_group.release();
 }
 } // namespace arm_compute
diff --git a/src/runtime/CL/functions/CLFastCorners.cpp b/src/runtime/CL/functions/CLFastCorners.cpp
index d6cda91..fe2a18c 100644
--- a/src/runtime/CL/functions/CLFastCorners.cpp
+++ b/src/runtime/CL/functions/CLFastCorners.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2018 ARM Limited.
+ * Copyright (c) 2016-2019 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -97,7 +97,7 @@
 {
     cl::CommandQueue q = CLScheduler::get().queue();
 
-    _memory_group.acquire();
+    MemoryGroupResourceScope scope_mg(_memory_group);
 
     if(_non_max)
     {
@@ -129,6 +129,4 @@
     }
 
     q.flush();
-
-    _memory_group.release();
 }
diff --git a/src/runtime/CL/functions/CLFullyConnectedLayer.cpp b/src/runtime/CL/functions/CLFullyConnectedLayer.cpp
index 6a2aac6..add5e16 100644
--- a/src/runtime/CL/functions/CLFullyConnectedLayer.cpp
+++ b/src/runtime/CL/functions/CLFullyConnectedLayer.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2018 ARM Limited.
+ * Copyright (c) 2017-2019 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -333,7 +333,7 @@
 {
     prepare();
 
-    _memory_group.acquire();
+    MemoryGroupResourceScope scope_mg(_memory_group);
 
     // Linearize input if it comes from a convolutional layer
     if(_is_fc_after_conv)
@@ -363,8 +363,6 @@
             CLScheduler::get().enqueue(_accumulate_biases_kernel);
         }
     }
-
-    _memory_group.release();
 }
 
 void CLFullyConnectedLayer::prepare()
diff --git a/src/runtime/CL/functions/CLGEMM.cpp b/src/runtime/CL/functions/CLGEMM.cpp
index e91038f..2ac6f81 100644
--- a/src/runtime/CL/functions/CLGEMM.cpp
+++ b/src/runtime/CL/functions/CLGEMM.cpp
@@ -352,7 +352,7 @@
 {
     prepare();
 
-    _memory_group.acquire();
+    MemoryGroupResourceScope scope_mg(_memory_group);
 
     if(_is_interleaved_transposed)
     {
@@ -381,8 +381,6 @@
     {
         CLScheduler::get().enqueue(_ma_kernel);
     }
-
-    _memory_group.release();
 }
 
 void CLGEMM::prepare()
diff --git a/src/runtime/CL/functions/CLGEMMConvolutionLayer.cpp b/src/runtime/CL/functions/CLGEMMConvolutionLayer.cpp
index 8f7a621..40ce6b4 100644
--- a/src/runtime/CL/functions/CLGEMMConvolutionLayer.cpp
+++ b/src/runtime/CL/functions/CLGEMMConvolutionLayer.cpp
@@ -526,7 +526,7 @@
 {
     prepare();
 
-    _memory_group.acquire();
+    MemoryGroupResourceScope scope_mg(_memory_group);
 
     // Run im2col
     if(!_skip_im2col)
@@ -562,8 +562,6 @@
     {
         _activationlayer_function.run();
     }
-
-    _memory_group.release();
 }
 
 void CLGEMMConvolutionLayer::prepare()
diff --git a/src/runtime/CL/functions/CLGEMMLowpMatrixMultiplyCore.cpp b/src/runtime/CL/functions/CLGEMMLowpMatrixMultiplyCore.cpp
index b254522..c0bd85d 100644
--- a/src/runtime/CL/functions/CLGEMMLowpMatrixMultiplyCore.cpp
+++ b/src/runtime/CL/functions/CLGEMMLowpMatrixMultiplyCore.cpp
@@ -350,7 +350,7 @@
 {
     prepare();
 
-    _memory_group.acquire();
+    MemoryGroupResourceScope scope_mg(_memory_group);
 
     if(_is_gemm_reshaped)
     {
@@ -396,8 +396,6 @@
         // Run offset contribution kernel
         CLScheduler::get().enqueue(_offset_contribution_kernel, true);
     }
-
-    _memory_group.release();
 }
 
 void CLGEMMLowpMatrixMultiplyCore::prepare()
diff --git a/src/runtime/CL/functions/CLGaussian5x5.cpp b/src/runtime/CL/functions/CLGaussian5x5.cpp
index f30eee1..ea803e4 100644
--- a/src/runtime/CL/functions/CLGaussian5x5.cpp
+++ b/src/runtime/CL/functions/CLGaussian5x5.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, 2017 ARM Limited.
+ * Copyright (c) 2016-2019 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -62,10 +62,8 @@
 {
     CLScheduler::get().enqueue(_border_handler, false);
 
-    _memory_group.acquire();
+    MemoryGroupResourceScope scope_mg(_memory_group);
 
     CLScheduler::get().enqueue(_kernel_hor, false);
     CLScheduler::get().enqueue(_kernel_vert);
-
-    _memory_group.release();
 }
diff --git a/src/runtime/CL/functions/CLGenerateProposalsLayer.cpp b/src/runtime/CL/functions/CLGenerateProposalsLayer.cpp
index c50132e..d712a23 100644
--- a/src/runtime/CL/functions/CLGenerateProposalsLayer.cpp
+++ b/src/runtime/CL/functions/CLGenerateProposalsLayer.cpp
@@ -256,7 +256,7 @@
 void CLGenerateProposalsLayer::run()
 {
     // Acquire all the temporaries
-    _memory_group.acquire();
+    MemoryGroupResourceScope scope_mg(_memory_group);
 
     // Compute all the anchors
     CLScheduler::get().enqueue(_compute_anchors_kernel, false);
@@ -277,8 +277,5 @@
     // Add dummy batch indexes
     CLScheduler::get().enqueue(_memset_kernel, true);
     CLScheduler::get().enqueue(_padded_copy_kernel, true);
-
-    // Release all the temporaries
-    _memory_group.release();
 }
 } // namespace arm_compute
diff --git a/src/runtime/CL/functions/CLHOGDescriptor.cpp b/src/runtime/CL/functions/CLHOGDescriptor.cpp
index 1470d5c..0931443 100644
--- a/src/runtime/CL/functions/CLHOGDescriptor.cpp
+++ b/src/runtime/CL/functions/CLHOGDescriptor.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017 ARM Limited.
+ * Copyright (c) 2017-2019 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -95,7 +95,7 @@
 
 void CLHOGDescriptor::run()
 {
-    _memory_group.acquire();
+    MemoryGroupResourceScope scope_mg(_memory_group);
 
     // Run gradient
     _gradient.run();
@@ -105,6 +105,4 @@
 
     // Run block normalization
     CLScheduler::get().enqueue(_block_norm);
-
-    _memory_group.release();
 }
\ No newline at end of file
diff --git a/src/runtime/CL/functions/CLHOGGradient.cpp b/src/runtime/CL/functions/CLHOGGradient.cpp
index 51aeaed..e509fd8 100644
--- a/src/runtime/CL/functions/CLHOGGradient.cpp
+++ b/src/runtime/CL/functions/CLHOGGradient.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017 ARM Limited.
+ * Copyright (c) 2017-2019 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -71,13 +71,11 @@
 
 void CLHOGGradient::run()
 {
-    _memory_group.acquire();
+    MemoryGroupResourceScope scope_mg(_memory_group);
 
     // Run derivative
     _derivative.run();
 
     // Run magnitude/phase kernel
     CLScheduler::get().enqueue(_mag_phase);
-
-    _memory_group.release();
 }
\ No newline at end of file
diff --git a/src/runtime/CL/functions/CLHOGMultiDetection.cpp b/src/runtime/CL/functions/CLHOGMultiDetection.cpp
index 8012c2f..0865f50 100644
--- a/src/runtime/CL/functions/CLHOGMultiDetection.cpp
+++ b/src/runtime/CL/functions/CLHOGMultiDetection.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017 ARM Limited.
+ * Copyright (c) 2017-2019 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -231,7 +231,7 @@
 {
     ARM_COMPUTE_ERROR_ON_MSG(_detection_windows == nullptr, "Unconfigured function");
 
-    _memory_group.acquire();
+    MemoryGroupResourceScope scope_mg(_memory_group);
 
     // Reset detection window
     _detection_windows->clear();
@@ -265,6 +265,4 @@
         Scheduler::get().schedule(_non_maxima_kernel.get(), Window::DimY);
         _detection_windows->unmap(CLScheduler::get().queue());
     }
-
-    _memory_group.release();
 }
diff --git a/src/runtime/CL/functions/CLHarrisCorners.cpp b/src/runtime/CL/functions/CLHarrisCorners.cpp
index 65ce7de..342d1ca 100644
--- a/src/runtime/CL/functions/CLHarrisCorners.cpp
+++ b/src/runtime/CL/functions/CLHarrisCorners.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2018 ARM Limited.
+ * Copyright (c) 2016-2019 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -159,7 +159,7 @@
 {
     ARM_COMPUTE_ERROR_ON_MSG(_sobel == nullptr, "Unconfigured function");
 
-    _memory_group.acquire();
+    MemoryGroupResourceScope scope_mg(_memory_group);
 
     // Init to 0 number of corner candidates
     _num_corner_candidates = 0;
@@ -185,6 +185,4 @@
     _corners->map(CLScheduler::get().queue(), true);
     Scheduler::get().schedule(&_sort_euclidean, Window::DimY);
     _corners->unmap(CLScheduler::get().queue());
-
-    _memory_group.release();
 }
diff --git a/src/runtime/CL/functions/CLL2NormalizeLayer.cpp b/src/runtime/CL/functions/CLL2NormalizeLayer.cpp
index 2e3c6d7..136cb5e 100644
--- a/src/runtime/CL/functions/CLL2NormalizeLayer.cpp
+++ b/src/runtime/CL/functions/CLL2NormalizeLayer.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2018 ARM Limited.
+ * Copyright (c) 2017-2019 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -74,11 +74,9 @@
 
 void CLL2NormalizeLayer::run()
 {
-    _memory_group.acquire();
+    MemoryGroupResourceScope scope_mg(_memory_group);
 
     _reduce_func.run();
     CLScheduler::get().enqueue(_normalize_kernel, true);
-
-    _memory_group.release();
 }
 } // namespace arm_compute
diff --git a/src/runtime/CL/functions/CLLSTMLayer.cpp b/src/runtime/CL/functions/CLLSTMLayer.cpp
index 13c4871..4606a66 100644
--- a/src/runtime/CL/functions/CLLSTMLayer.cpp
+++ b/src/runtime/CL/functions/CLLSTMLayer.cpp
@@ -505,7 +505,7 @@
 {
     prepare();
 
-    _memory_group.acquire();
+    MemoryGroupResourceScope scope_mg(_memory_group);
 
     CLScheduler::get().enqueue(_concat_inputs_forget_gate);
 
@@ -574,8 +574,6 @@
     CLScheduler::get().enqueue(_copy_output);
 
     _concat_scratch_buffer.run();
-
-    _memory_group.release();
 }
 
 void CLLSTMLayer::prepare()
diff --git a/src/runtime/CL/functions/CLLocallyConnectedLayer.cpp b/src/runtime/CL/functions/CLLocallyConnectedLayer.cpp
index 5c6bef9..3e99dde 100644
--- a/src/runtime/CL/functions/CLLocallyConnectedLayer.cpp
+++ b/src/runtime/CL/functions/CLLocallyConnectedLayer.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2018 ARM Limited.
+ * Copyright (c) 2017-2019 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -176,7 +176,7 @@
 {
     prepare();
 
-    _memory_group.acquire();
+    MemoryGroupResourceScope scope_mg(_memory_group);
 
     // Run input reshaping
     CLScheduler::get().enqueue(_input_im2col_kernel);
@@ -186,8 +186,6 @@
 
     // Reshape output matrix
     CLScheduler::get().enqueue(_output_col2im_kernel, false);
-
-    _memory_group.release();
 }
 
 void CLLocallyConnectedLayer::prepare()
diff --git a/src/runtime/CL/functions/CLMeanStdDev.cpp b/src/runtime/CL/functions/CLMeanStdDev.cpp
index 157f306..8517b59 100644
--- a/src/runtime/CL/functions/CLMeanStdDev.cpp
+++ b/src/runtime/CL/functions/CLMeanStdDev.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2018 ARM Limited.
+ * Copyright (c) 2016-2019 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -104,7 +104,7 @@
 template <typename T>
 void CLMeanStdDev::run_float()
 {
-    _memory_group.acquire();
+    MemoryGroupResourceScope scope_mg(_memory_group);
 
     // Perform reduction on x-axis
     _reduction_operation_mean.run();
@@ -140,8 +140,6 @@
         _reduction_output_stddev.unmap();
     }
     _reduction_output_mean.unmap();
-
-    _memory_group.release();
 }
 
 void CLMeanStdDev::run_int()
diff --git a/src/runtime/CL/functions/CLOpticalFlow.cpp b/src/runtime/CL/functions/CLOpticalFlow.cpp
index d00b1b5..7ef1c83 100644
--- a/src/runtime/CL/functions/CLOpticalFlow.cpp
+++ b/src/runtime/CL/functions/CLOpticalFlow.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017 ARM Limited.
+ * Copyright (c) 2017-2019 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -149,7 +149,7 @@
 {
     ARM_COMPUTE_ERROR_ON_MSG(_num_levels == 0, "Unconfigured function");
 
-    _memory_group.acquire();
+    MemoryGroupResourceScope scope_mg(_memory_group);
 
     for(unsigned int level = _num_levels; level > 0; --level)
     {
@@ -167,6 +167,4 @@
     }
 
     CLScheduler::get().enqueue(_tracker_finalize_kernel, true);
-
-    _memory_group.release();
 }
diff --git a/src/runtime/CL/functions/CLRNNLayer.cpp b/src/runtime/CL/functions/CLRNNLayer.cpp
index 63f00ac..19eb69f 100644
--- a/src/runtime/CL/functions/CLRNNLayer.cpp
+++ b/src/runtime/CL/functions/CLRNNLayer.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018 ARM Limited.
+ * Copyright (c) 2018-2019 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -105,7 +105,7 @@
 {
     prepare();
 
-    _memory_group.acquire();
+    MemoryGroupResourceScope scope_mg(_memory_group);
 
     _fully_connected_kernel.run();
     _gemm_state_f.run();
@@ -114,8 +114,6 @@
 
     // copy hidden out to output
     CLScheduler::get().enqueue(_copy_kernel);
-
-    _memory_group.release();
 }
 
 void CLRNNLayer::prepare()
diff --git a/src/runtime/CL/functions/CLReduceMean.cpp b/src/runtime/CL/functions/CLReduceMean.cpp
index b2d0f81..702ce34 100644
--- a/src/runtime/CL/functions/CLReduceMean.cpp
+++ b/src/runtime/CL/functions/CLReduceMean.cpp
@@ -140,7 +140,7 @@
 
 void CLReduceMean::run()
 {
-    _memory_group.acquire();
+    MemoryGroupResourceScope scope_mg(_memory_group);
 
     for(unsigned int i = 0; i < _reduction_ops; ++i)
     {
@@ -151,6 +151,5 @@
     {
         _reshape.run();
     }
-    _memory_group.release();
 }
 } // namespace arm_compute
diff --git a/src/runtime/CL/functions/CLReductionOperation.cpp b/src/runtime/CL/functions/CLReductionOperation.cpp
index 3d82e3f..bb285d7 100644
--- a/src/runtime/CL/functions/CLReductionOperation.cpp
+++ b/src/runtime/CL/functions/CLReductionOperation.cpp
@@ -206,7 +206,7 @@
 
 void CLReductionOperation::run()
 {
-    _memory_group.acquire();
+    MemoryGroupResourceScope scope_mg(_memory_group);
 
     if(_is_serial)
     {
@@ -220,6 +220,4 @@
             CLScheduler::get().enqueue(_reduction_kernels_vector[i], false);
         }
     }
-
-    _memory_group.release();
 }
diff --git a/src/runtime/CL/functions/CLSobel5x5.cpp b/src/runtime/CL/functions/CLSobel5x5.cpp
index d4bc855..22fbef1 100644
--- a/src/runtime/CL/functions/CLSobel5x5.cpp
+++ b/src/runtime/CL/functions/CLSobel5x5.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, 2017 ARM Limited.
+ * Copyright (c) 2016-2019 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -81,10 +81,8 @@
 {
     CLScheduler::get().enqueue(_border_handler, false);
 
-    _memory_group.acquire();
+    MemoryGroupResourceScope scope_mg(_memory_group);
 
     CLScheduler::get().enqueue(_sobel_hor, false);
     CLScheduler::get().enqueue(_sobel_vert);
-
-    _memory_group.release();
 }
diff --git a/src/runtime/CL/functions/CLSobel7x7.cpp b/src/runtime/CL/functions/CLSobel7x7.cpp
index 6083090..9b38f69 100644
--- a/src/runtime/CL/functions/CLSobel7x7.cpp
+++ b/src/runtime/CL/functions/CLSobel7x7.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, 2017 ARM Limited.
+ * Copyright (c) 2016-2019 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -81,10 +81,8 @@
 {
     CLScheduler::get().enqueue(_border_handler, false);
 
-    _memory_group.acquire();
+    MemoryGroupResourceScope scope_mg(_memory_group);
 
     CLScheduler::get().enqueue(_sobel_hor, false);
     CLScheduler::get().enqueue(_sobel_vert);
-
-    _memory_group.release();
 }
diff --git a/src/runtime/CL/functions/CLSoftmaxLayer.cpp b/src/runtime/CL/functions/CLSoftmaxLayer.cpp
index d671846..7e41dba 100644
--- a/src/runtime/CL/functions/CLSoftmaxLayer.cpp
+++ b/src/runtime/CL/functions/CLSoftmaxLayer.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2018 ARM Limited.
+ * Copyright (c) 2017-2019 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -191,7 +191,7 @@
 
 void CLSoftmaxLayer::run()
 {
-    _memory_group.acquire();
+    MemoryGroupResourceScope scope_mg(_memory_group);
 
     if(_needs_flattening)
     {
@@ -205,9 +205,6 @@
     {
         CLScheduler::get().enqueue(_reshape_kernel, true);
     }
-
-    // Relase intermediate buffers
-    _memory_group.release();
 }
 
 } // namespace arm_compute
diff --git a/src/runtime/CL/functions/CLWinogradConvolutionLayer.cpp b/src/runtime/CL/functions/CLWinogradConvolutionLayer.cpp
index 52973ba..d3c3f98 100644
--- a/src/runtime/CL/functions/CLWinogradConvolutionLayer.cpp
+++ b/src/runtime/CL/functions/CLWinogradConvolutionLayer.cpp
@@ -204,7 +204,7 @@
 {
     prepare();
 
-    _memory_group.acquire();
+    MemoryGroupResourceScope scope_mg(_memory_group);
 
     // Run input transform
     _input_transform.run();
@@ -214,8 +214,6 @@
 
     // Run output transform
     CLScheduler::get().enqueue(_output_transform);
-
-    _memory_group.release();
 }
 
 void CLWinogradConvolutionLayer::prepare()