diff --git a/.github/workflows/ccpp.yml b/.github/workflows/ccpp.yml
index b59a4710719..cb231b989ba 100644
--- a/.github/workflows/ccpp.yml
+++ b/.github/workflows/ccpp.yml
@@ -86,7 +86,9 @@ jobs:
     - name: Update apt
       run: sudo apt update
     - name: Install dependencies
-      run: sudo apt-get install -y yasm nasm gperf libgles2-mesa-dev libx11-dev libxft-dev libxext-dev libxrandr-dev libxi-dev libxcursor-dev libxdamage-dev libxinerama-dev libdbus-1-dev libxtst-dev
+      run: sudo apt-get install -y --no-install-recommends yasm nasm gperf libgles2-mesa-dev libx11-dev libxft-dev libxext-dev libxrandr-dev libxi-dev libxcursor-dev libxdamage-dev libxinerama-dev libdbus-1-dev libxtst-dev
+    - name: Clean downloads
+      run: sudo apt-get clean
 
     - name: 'Install CUDA'
       run: ${{ github.workspace }}/scripts/deploy-cuda.sh
@@ -101,7 +103,7 @@ jobs:
     - name: 'Setup vcpkg and NuGet artifacts backend'
       shell: bash
       run: >
-        git clone https://github.com/microsoft/vcpkg ;
+        git clone --depth 1 https://github.com/microsoft/vcpkg ;
         ./vcpkg/bootstrap-vcpkg.sh ;
         mono $(./vcpkg/vcpkg fetch nuget | tail -n 1) sources add
         -Name "vcpkgbinarycache"
@@ -154,7 +156,9 @@ jobs:
     - name: Update apt
       run: sudo apt update
     - name: Install dependencies
-      run: sudo apt-get install -y yasm nasm gperf libgles2-mesa-dev libx11-dev libxft-dev libxext-dev libxrandr-dev libxi-dev libxcursor-dev libxdamage-dev libxinerama-dev libdbus-1-dev libxtst-dev
+      run: sudo apt-get install -y --no-install-recommends yasm nasm gperf libgles2-mesa-dev libx11-dev libxft-dev libxext-dev libxrandr-dev libxi-dev libxcursor-dev libxdamage-dev libxinerama-dev libdbus-1-dev libxtst-dev
+    - name: Clean downloads
+      run: sudo apt-get clean
 
     - name: 'Install CUDA'
       run: ${{ github.workspace }}/scripts/deploy-cuda.sh
@@ -205,7 +209,9 @@ jobs:
     - name: Update apt
       run: sudo apt update
     - name: Install dependencies
-      run: sudo apt-get install -y yasm nasm gperf libgles2-mesa-dev libx11-dev libxft-dev libxext-dev libxrandr-dev libxi-dev libxcursor-dev libxdamage-dev libxinerama-dev libdbus-1-dev libxtst-dev
+      run: sudo apt-get install -y --no-install-recommends yasm nasm gperf libgles2-mesa-dev libx11-dev libxft-dev libxext-dev libxrandr-dev libxi-dev libxcursor-dev libxdamage-dev libxinerama-dev libdbus-1-dev libxtst-dev
+    - name: Clean downloads
+      run: sudo apt-get clean
 
     - name: 'Install CUDA'
       run: ${{ github.workspace }}/scripts/deploy-cuda.sh
@@ -354,7 +360,7 @@ jobs:
     - name: 'Setup vcpkg and NuGet artifacts backend'
       shell: bash
       run: >
-        git clone https://github.com/microsoft/vcpkg ;
+        git clone --depth 1 https://github.com/microsoft/vcpkg ;
         ./vcpkg/bootstrap-vcpkg.sh ;
         mono $(./vcpkg/vcpkg fetch nuget | tail -n 1) sources add
         -Name "vcpkgbinarycache"
@@ -392,7 +398,7 @@ jobs:
     - name: 'Setup vcpkg and NuGet artifacts backend'
       shell: bash
       run: >
-        git clone https://github.com/microsoft/vcpkg ;
+        git clone --depth 1 https://github.com/microsoft/vcpkg ;
         ./vcpkg/bootstrap-vcpkg.sh ;
         mono $(./vcpkg/vcpkg fetch nuget | tail -n 1) sources add
         -Name "vcpkgbinarycache"
@@ -488,7 +494,7 @@ jobs:
     - name: 'Setup vcpkg and NuGet artifacts backend'
       shell: bash
       run: >
-        git clone https://github.com/microsoft/vcpkg ;
+        git clone --depth 1 https://github.com/microsoft/vcpkg ;
         ./vcpkg/bootstrap-vcpkg.sh ;
         $(./vcpkg/vcpkg fetch nuget | tail -n 1) sources add
         -Name "vcpkgbinarycache"
@@ -538,7 +544,7 @@ jobs:
     - name: 'Setup vcpkg and NuGet artifacts backend'
       shell: bash
       run: >
-        git clone https://github.com/microsoft/vcpkg ;
+        git clone --depth 1 https://github.com/microsoft/vcpkg ;
         ./vcpkg/bootstrap-vcpkg.sh ;
         $(./vcpkg/vcpkg fetch nuget | tail -n 1) sources add
         -Name "vcpkgbinarycache"
@@ -600,7 +606,7 @@ jobs:
     - name: 'Setup vcpkg and NuGet artifacts backend'
       shell: bash
       run: >
-        git clone https://github.com/microsoft/vcpkg ;
+        git clone --depth 1 https://github.com/microsoft/vcpkg ;
         ./vcpkg/bootstrap-vcpkg.sh ;
         $(./vcpkg/vcpkg fetch nuget | tail -n 1) sources add
         -Name "vcpkgbinarycache"
diff --git a/.github/workflows/on_pr.yml b/.github/workflows/on_pr.yml
index f32c2797550..2af8e96c7ee 100644
--- a/.github/workflows/on_pr.yml
+++ b/.github/workflows/on_pr.yml
@@ -72,7 +72,9 @@ jobs:
     - name: Update apt
       run: sudo apt update
     - name: Install dependencies
-      run: sudo apt-get install -y yasm nasm gperf libgles2-mesa-dev libx11-dev libxft-dev libxext-dev libxrandr-dev libxi-dev libxcursor-dev libxdamage-dev libxinerama-dev libdbus-1-dev libxtst-dev
+      run: sudo apt-get install -y --no-install-recommends yasm nasm gperf libgles2-mesa-dev libx11-dev libxft-dev libxext-dev libxrandr-dev libxi-dev libxcursor-dev libxdamage-dev libxinerama-dev libdbus-1-dev libxtst-dev
+    - name: Clean downloads
+      run: sudo apt-get clean
 
     - name: 'Install CUDA'
       run: ${{ github.workspace }}/scripts/deploy-cuda.sh
@@ -87,7 +89,7 @@ jobs:
     - name: 'Setup vcpkg and NuGet artifacts backend'
       shell: bash
       run: >
-        git clone https://github.com/microsoft/vcpkg ;
+        git clone --depth 1 https://github.com/microsoft/vcpkg ;
         ./vcpkg/bootstrap-vcpkg.sh ;
         mono $(./vcpkg/vcpkg fetch nuget | tail -n 1) sources add
         -Name "vcpkgbinarycache"
@@ -113,7 +115,9 @@ jobs:
     - name: Update apt
       run: sudo apt update
     - name: Install dependencies
-      run: sudo apt-get install -y yasm nasm gperf libgles2-mesa-dev libx11-dev libxft-dev libxext-dev libxrandr-dev libxi-dev libxcursor-dev libxdamage-dev libxinerama-dev libdbus-1-dev libxtst-dev
+      run: sudo apt-get install -y --no-install-recommends yasm nasm gperf libgles2-mesa-dev libx11-dev libxft-dev libxext-dev libxrandr-dev libxi-dev libxcursor-dev libxdamage-dev libxinerama-dev libdbus-1-dev libxtst-dev
+    - name: Clean downloads
+      run: sudo apt-get clean
 
     - name: 'Install CUDA'
       run: ${{ github.workspace }}/scripts/deploy-cuda.sh
@@ -154,7 +158,9 @@ jobs:
     - name: Update apt
       run: sudo apt update
     - name: Install dependencies
-      run: sudo apt-get install -y yasm nasm gperf libgles2-mesa-dev libx11-dev libxft-dev libxext-dev libxrandr-dev libxi-dev libxcursor-dev libxdamage-dev libxinerama-dev libdbus-1-dev libxtst-dev
+      run: sudo apt-get install -y --no-install-recommends yasm nasm gperf libgles2-mesa-dev libx11-dev libxft-dev libxext-dev libxrandr-dev libxi-dev libxcursor-dev libxdamage-dev libxinerama-dev libdbus-1-dev libxtst-dev
+    - name: Clean downloads
+      run: sudo apt-get clean
 
     - name: 'Install CUDA'
       run: ${{ github.workspace }}/scripts/deploy-cuda.sh
@@ -259,7 +265,7 @@ jobs:
     - name: 'Setup vcpkg and NuGet artifacts backend'
       shell: bash
       run: >
-        git clone https://github.com/microsoft/vcpkg ;
+        git clone --depth 1 https://github.com/microsoft/vcpkg ;
         ./vcpkg/bootstrap-vcpkg.sh ;
         mono $(./vcpkg/vcpkg fetch nuget | tail -n 1) sources add
         -Name "vcpkgbinarycache"
@@ -283,7 +289,7 @@ jobs:
     - name: 'Setup vcpkg and NuGet artifacts backend'
       shell: bash
       run: >
-        git clone https://github.com/microsoft/vcpkg ;
+        git clone --depth 1 https://github.com/microsoft/vcpkg ;
         ./vcpkg/bootstrap-vcpkg.sh ;
         mono $(./vcpkg/vcpkg fetch nuget | tail -n 1) sources add
         -Name "vcpkgbinarycache"
@@ -331,7 +337,7 @@ jobs:
     - name: 'Setup vcpkg and NuGet artifacts backend'
       shell: bash
       run: >
-        git clone https://github.com/microsoft/vcpkg ;
+        git clone --depth 1 https://github.com/microsoft/vcpkg ;
         ./vcpkg/bootstrap-vcpkg.sh ;
         $(./vcpkg/vcpkg fetch nuget | tail -n 1) sources add
         -Name "vcpkgbinarycache"
@@ -362,7 +368,7 @@ jobs:
     - name: 'Setup vcpkg and NuGet artifacts backend'
       shell: bash
       run: >
-        git clone https://github.com/microsoft/vcpkg ;
+        git clone --depth 1 https://github.com/microsoft/vcpkg ;
         ./vcpkg/bootstrap-vcpkg.sh ;
         $(./vcpkg/vcpkg fetch nuget | tail -n 1) sources add
         -Name "vcpkgbinarycache"
diff --git a/build.ps1 b/build.ps1
index a85fcca7b8b..768a478442b 100755
--- a/build.ps1
+++ b/build.ps1
@@ -721,7 +721,11 @@ if ($UseVCPKG -And -Not $ForceLocalVCPKG) {
 }
 if (($null -eq $vcpkg_path) -and $UseVCPKG) {
   if (-Not (Test-Path "$PWD/vcpkg${VCPKGSuffix}")) {
-    $proc = Start-Process -NoNewWindow -PassThru -FilePath $GIT_EXE -ArgumentList "clone https://github.com/microsoft/vcpkg vcpkg${VCPKGSuffix}"
+    $shallow_copy = ""
+    if($ForceOpenCVVersion -eq 0) {
+      $shallow_copy = " --depth 1 "
+    }
+    $proc = Start-Process -NoNewWindow -PassThru -FilePath $GIT_EXE -ArgumentList "clone $shallow_copy https://github.com/microsoft/vcpkg vcpkg${VCPKGSuffix}"
     $handle = $proc.Handle
     $proc.WaitForExit()
     $exitCode = $proc.ExitCode
diff --git a/scripts/deploy-cuda.sh b/scripts/deploy-cuda.sh
index 952669cb87f..b95258c2875 100755
--- a/scripts/deploy-cuda.sh
+++ b/scripts/deploy-cuda.sh
@@ -23,13 +23,15 @@ sudo apt-key del 7fa2af80
 wget https://developer.download.nvidia.com/compute/cuda/repos/$distr_name/x86_64/cuda-keyring_1.1-1_all.deb
 sudo dpkg -i cuda-keyring_1.1-1_all.deb
 sudo apt-get update
-sudo apt-get install -y build-essential g++
-sudo apt-get install -y apt-transport-https ca-certificates gnupg software-properties-common wget
-sudo apt-get install -y zlib1g
+sudo apt-get install -y --no-install-recommends build-essential g++
+sudo apt-get install -y --no-install-recommends apt-transport-https ca-certificates gnupg software-properties-common wget
+sudo apt-get install -y --no-install-recommends zlib1g
 sudo apt-get dist-upgrade -y
 sudo apt-get install -y --no-install-recommends cuda-${CUDA_VERSION_DASHED}
-sudo apt-get install -y libcudnn8
-sudo apt-get install -y libcudnn8-dev
+sudo apt-get install -y --no-install-recommends libcudnn8
+sudo apt-get install -y --no-install-recommends libcudnn8-dev
 
 sudo rm -rf /usr/local/cuda
 sudo ln -s /usr/local/cuda-${CUDA_VERSION} /usr/local/cuda
+
+sudo apt-get clean
diff --git a/scripts/setup.sh b/scripts/setup.sh
index 4ca00f749ba..e583e972369 100755
--- a/scripts/setup.sh
+++ b/scripts/setup.sh
@@ -75,9 +75,9 @@ elif [[ $(cut -f2 <<< $(lsb_release -i)) == "Ubuntu" ]]; then
   if [ "$install_tools" = true ] ; then
     echo "Installing tools"
     sudo apt-get update
-    sudo apt-get install -y git ninja-build build-essential g++ nasm yasm gperf
-    sudo apt-get install -y apt-transport-https ca-certificates gnupg software-properties-common wget
-    sudo apt-get install -y libgles2-mesa-dev libx11-dev libxft-dev libxext-dev libxrandr-dev libxi-dev libxcursor-dev libxdamage-dev libxinerama-dev libdbus-1-dev libxtst-dev
+    sudo apt-get install -y  --no-install-recommends git ninja-build build-essential g++ nasm yasm gperf
+    sudo apt-get install -y --no-install-recommends apt-transport-https ca-certificates gnupg software-properties-common wget
+    sudo apt-get install -y --no-install-recommends libgles2-mesa-dev libx11-dev libxft-dev libxext-dev libxrandr-dev libxi-dev libxcursor-dev libxdamage-dev libxinerama-dev libdbus-1-dev libxtst-dev
     wget -O - https://apt.kitware.com/keys/kitware-archive-latest.asc 2>/dev/null | gpg --dearmor - | sudo tee /etc/apt/trusted.gpg.d/kitware.gpg >/dev/null
     sudo apt-add-repository "deb https://apt.kitware.com/ubuntu/ $(cut -f2 <<< $(lsb_release -c)) main"
     wget -q https://packages.microsoft.com/config/ubuntu/$(cut -f2 <<< $(lsb_release -r))/packages-microsoft-prod.deb
@@ -85,10 +85,11 @@ elif [[ $(cut -f2 <<< $(lsb_release -i)) == "Ubuntu" ]]; then
     sudo add-apt-repository universe
     sudo apt-get update
     sudo apt-get dist-upgrade -y
-    sudo apt-get install -y cmake
-    sudo apt-get install -y powershell
-    sudo apt-get install -y curl zip unzip tar
-    sudo apt-get install -y pkg-config autoconf libtool bison
+    sudo apt-get install -y --no-install-recommends cmake
+    sudo apt-get install -y --no-install-recommends powershell
+    sudo apt-get install -y --no-install-recommends curl zip unzip tar
+    sudo apt-get install -y --no-install-recommends pkg-config autoconf libtool bison
+    sudo apt-get clean
   fi
 else
   if [ "$install_cuda" = true ] ; then