diff --git a/src/csharp/Grpc.Core.Tests/SanityTest.cs b/src/csharp/Grpc.Core.Tests/SanityTest.cs
index 1c28277df55eb1a39f62f7008cb354fee56bb468..e02f2c9e5464379084d085212c2a90daf6a8f604 100644
--- a/src/csharp/Grpc.Core.Tests/SanityTest.cs
+++ b/src/csharp/Grpc.Core.Tests/SanityTest.cs
@@ -101,7 +101,7 @@ namespace Grpc.Core.Tests
         private string ReadTestsJson()
         {
             var assemblyDir = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
-            var testsJsonFile = Path.Combine(assemblyDir, "..", "..", "..", "tests.json");
+            var testsJsonFile = Path.Combine(assemblyDir, "..", "..", "..", "..", "tests.json");
             return File.ReadAllText(testsJsonFile);
         }
 
diff --git a/src/csharp/Grpc.Core/NativeDeps.Windows.csproj.include b/src/csharp/Grpc.Core/NativeDeps.Windows.csproj.include
index 85e1b77bd0fbde41af563b3d73fe4f5c90c7fa0a..04f3b077ace0d8d28c2361ad7bc148e6c4d7122c 100644
--- a/src/csharp/Grpc.Core/NativeDeps.Windows.csproj.include
+++ b/src/csharp/Grpc.Core/NativeDeps.Windows.csproj.include
@@ -1,8 +1,8 @@
 <Project>
   <ItemGroup>
-    <Content Include="..\..\..\cmake\build\Win32\$(NativeDependenciesConfiguration)\grpc_csharp_ext.dll">
+    <Content Include="..\..\..\cmake\build\x64\$(NativeDependenciesConfiguration)\grpc_csharp_ext.dll">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-      <Link>grpc_csharp_ext.x86.dll</Link>
+      <Link>grpc_csharp_ext.x64.dll</Link>
       <Pack>false</Pack>
     </Content>
   </ItemGroup>
diff --git a/templates/tools/dockerfile/interoptest/grpc_interop_csharp/Dockerfile.template b/templates/tools/dockerfile/interoptest/grpc_interop_csharp/Dockerfile.template
index da0c70aee0cd616b281ebbdaef8cf2143374780e..092f04dac6c991f902c80847b3064bce65bfcf97 100644
--- a/templates/tools/dockerfile/interoptest/grpc_interop_csharp/Dockerfile.template
+++ b/templates/tools/dockerfile/interoptest/grpc_interop_csharp/Dockerfile.template
@@ -34,6 +34,7 @@
   <%include file="../../apt_get_basic.include"/>
   <%include file="../../python_deps.include"/>
   <%include file="../../csharp_deps.include"/>
+  <%include file="../../csharp_dotnetcli_deps.include"/>
   <%include file="../../run_tests_addons.include"/>
   # Define the default command.
   CMD ["bash"]
diff --git a/templates/tools/dockerfile/interoptest/grpc_interop_csharpcoreclr/Dockerfile.template b/templates/tools/dockerfile/interoptest/grpc_interop_csharpcoreclr/Dockerfile.template
deleted file mode 100644
index 092f04dac6c991f902c80847b3064bce65bfcf97..0000000000000000000000000000000000000000
--- a/templates/tools/dockerfile/interoptest/grpc_interop_csharpcoreclr/Dockerfile.template
+++ /dev/null
@@ -1,41 +0,0 @@
-%YAML 1.2
---- |
-  # Copyright 2015, Google Inc.
-  # All rights reserved.
-  #
-  # Redistribution and use in source and binary forms, with or without
-  # modification, are permitted provided that the following conditions are
-  # met:
-  #
-  #     * Redistributions of source code must retain the above copyright
-  # notice, this list of conditions and the following disclaimer.
-  #     * Redistributions in binary form must reproduce the above
-  # copyright notice, this list of conditions and the following disclaimer
-  # in the documentation and/or other materials provided with the
-  # distribution.
-  #     * Neither the name of Google Inc. nor the names of its
-  # contributors may be used to endorse or promote products derived from
-  # this software without specific prior written permission.
-  #
-  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-  
-  FROM debian:jessie
-  
-  <%include file="../../apt_get_basic.include"/>
-  <%include file="../../python_deps.include"/>
-  <%include file="../../csharp_deps.include"/>
-  <%include file="../../csharp_dotnetcli_deps.include"/>
-  <%include file="../../run_tests_addons.include"/>
-  # Define the default command.
-  CMD ["bash"]
-  
diff --git a/templates/tools/dockerfile/test/csharp_coreclr_x64/Dockerfile.template b/templates/tools/dockerfile/test/csharp_coreclr_x64/Dockerfile.template
deleted file mode 100644
index 092f04dac6c991f902c80847b3064bce65bfcf97..0000000000000000000000000000000000000000
--- a/templates/tools/dockerfile/test/csharp_coreclr_x64/Dockerfile.template
+++ /dev/null
@@ -1,41 +0,0 @@
-%YAML 1.2
---- |
-  # Copyright 2015, Google Inc.
-  # All rights reserved.
-  #
-  # Redistribution and use in source and binary forms, with or without
-  # modification, are permitted provided that the following conditions are
-  # met:
-  #
-  #     * Redistributions of source code must retain the above copyright
-  # notice, this list of conditions and the following disclaimer.
-  #     * Redistributions in binary form must reproduce the above
-  # copyright notice, this list of conditions and the following disclaimer
-  # in the documentation and/or other materials provided with the
-  # distribution.
-  #     * Neither the name of Google Inc. nor the names of its
-  # contributors may be used to endorse or promote products derived from
-  # this software without specific prior written permission.
-  #
-  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-  
-  FROM debian:jessie
-  
-  <%include file="../../apt_get_basic.include"/>
-  <%include file="../../python_deps.include"/>
-  <%include file="../../csharp_deps.include"/>
-  <%include file="../../csharp_dotnetcli_deps.include"/>
-  <%include file="../../run_tests_addons.include"/>
-  # Define the default command.
-  CMD ["bash"]
-  
diff --git a/templates/tools/dockerfile/test/csharp_jessie_x64/Dockerfile.template b/templates/tools/dockerfile/test/csharp_jessie_x64/Dockerfile.template
index da0c70aee0cd616b281ebbdaef8cf2143374780e..092f04dac6c991f902c80847b3064bce65bfcf97 100644
--- a/templates/tools/dockerfile/test/csharp_jessie_x64/Dockerfile.template
+++ b/templates/tools/dockerfile/test/csharp_jessie_x64/Dockerfile.template
@@ -34,6 +34,7 @@
   <%include file="../../apt_get_basic.include"/>
   <%include file="../../python_deps.include"/>
   <%include file="../../csharp_deps.include"/>
+  <%include file="../../csharp_dotnetcli_deps.include"/>
   <%include file="../../run_tests_addons.include"/>
   # Define the default command.
   CMD ["bash"]
diff --git a/tools/run_tests/helper_scripts/build_csharp_coreclr.bat b/tools/run_tests/helper_scripts/build_csharp.bat
similarity index 93%
rename from tools/run_tests/helper_scripts/build_csharp_coreclr.bat
rename to tools/run_tests/helper_scripts/build_csharp.bat
index 78e5f5998b810db19483d003618e2392bdf445c5..05ea78564c4d9ed02b24d893e11df2e8b3235c62 100644
--- a/tools/run_tests/helper_scripts/build_csharp_coreclr.bat
+++ b/tools/run_tests/helper_scripts/build_csharp.bat
@@ -31,9 +31,7 @@ setlocal
 
 cd /d %~dp0\..\..\..\src\csharp
 
-dotnet restore . || goto :error
-
-dotnet build --configuration %MSBUILD_CONFIG% "**/project.json" || goto :error
+dotnet build --configuration %MSBUILD_CONFIG% Grpc.sln || goto :error
 
 endlocal
 
diff --git a/tools/run_tests/helper_scripts/build_csharp.sh b/tools/run_tests/helper_scripts/build_csharp.sh
index 84c5b1c77786969fc9cf930613c6a35ffcda2eb2..00897ecbe6c6576ea5b0795c5f569a432921a53c 100755
--- a/tools/run_tests/helper_scripts/build_csharp.sh
+++ b/tools/run_tests/helper_scripts/build_csharp.sh
@@ -32,5 +32,12 @@ set -ex
 
 cd $(dirname $0)/../../../src/csharp
 
-# overriding NativeDependenciesConfigurationUnix is needed to make gcov code coverage work.
-xbuild /p:Configuration=$MSBUILD_CONFIG /p:NativeDependenciesConfigurationUnix=$CONFIG Grpc.sln
+OVERRIDE_NATIVELIB_MAYBE=""
+if [ "$CONFIG" == "gcov" ]
+then
+  # overriding NativeDependenciesConfigurationUnix makes C# project pick up
+  # the gcov flavor of grpc_csharp_ext
+  OVERRIDE_NATIVELIB_MAYBE="/p:NativeDependenciesConfigurationUnix=$CONFIG"
+fi
+
+dotnet build --configuration $MSBUILD_CONFIG $OVERRIDE_NATIVELIB_MAYBE Grpc.sln
diff --git a/tools/run_tests/helper_scripts/build_csharp_coreclr.sh b/tools/run_tests/helper_scripts/build_csharp_coreclr.sh
deleted file mode 100755
index dd5fd31c759cd3317b16385b3e6190cf78f3e5e4..0000000000000000000000000000000000000000
--- a/tools/run_tests/helper_scripts/build_csharp_coreclr.sh
+++ /dev/null
@@ -1,38 +0,0 @@
-#!/bin/bash
-# Copyright 2015, Google Inc.
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-#
-#     * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#     * Redistributions in binary form must reproduce the above
-# copyright notice, this list of conditions and the following disclaimer
-# in the documentation and/or other materials provided with the
-# distribution.
-#     * Neither the name of Google Inc. nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-set -ex
-
-cd $(dirname $0)/../../../src/csharp
-
-# TODO(jtattermusch): introduce caching
-dotnet restore .
-
-dotnet build --configuration $MSBUILD_CONFIG '**/project.json'
diff --git a/tools/run_tests/helper_scripts/pre_build_csharp.bat b/tools/run_tests/helper_scripts/pre_build_csharp.bat
index bee430ac86895cc86eadff84a2d13c17c4d888d2..c7684f538e3a6182098dcae7ccc9082a5ed311dc 100644
--- a/tools/run_tests/helper_scripts/pre_build_csharp.bat
+++ b/tools/run_tests/helper_scripts/pre_build_csharp.bat
@@ -46,54 +46,9 @@ cd %ARCHITECTURE%
 cmake -G "Visual Studio 14 2015" -A %ARCHITECTURE% -DgRPC_BUILD_TESTS=OFF -DgRPC_MSVC_STATIC_RUNTIME=ON -DCMAKE_ASM_NASM_COMPILER="C:/Program Files (x86)/yasm/yasm.exe" ../../.. || goto :error
 cd ..\..\..
 
-@rem Location of nuget.exe
-set NUGET=C:\nuget\nuget.exe
+cd src/csharp
 
-if exist %NUGET% (
-  @rem TODO(jtattermusch): Get rid of this hack. See #8034
-  @rem Restore Grpc packages by packages since Nuget client 3.4.4 doesnt support restore
-  @rem by solution
-  @rem Moving into each directory to let the restores work based on per-project packages.config files
-
-  cd src/csharp
-
-  cd Grpc.Auth || goto :error
-  %NUGET% restore -PackagesDirectory ../packages || goto :error
-  cd ..
-
-  cd Grpc.Core || goto :error
-  %NUGET% restore -PackagesDirectory ../packages || goto :error
-  cd ..
-
-  cd Grpc.Core.Tests || goto :error
-  %NUGET% restore -PackagesDirectory ../packages || goto :error
-  cd ..
-
-  cd Grpc.Examples.MathClient || goto :error
-  %NUGET% restore -PackagesDirectory ../packages || goto :error
-  cd ..
-
-  cd Grpc.Examples.MathServer || goto :error
-  %NUGET% restore -PackagesDirectory ../packages || goto :error
-  cd ..
-
-  cd Grpc.Examples || goto :error
-  %NUGET% restore -PackagesDirectory ../packages || goto :error
-  cd ..
-
-  cd Grpc.HealthCheck.Tests || goto :error
-  %NUGET% restore -PackagesDirectory ../packages || goto :error
-  cd ..
-
-  cd Grpc.HealthCheck || goto :error
-  %NUGET% restore -PackagesDirectory ../packages || goto :error
-  cd ..
-
-  cd Grpc.IntegrationTesting || goto :error
-  %NUGET% restore -PackagesDirectory ../packages || goto :error
-
-  cd /d %~dp0\..\.. || goto :error
-)
+dotnet restore Grpc.sln || goto :error
 
 endlocal
 
diff --git a/tools/run_tests/helper_scripts/pre_build_csharp.sh b/tools/run_tests/helper_scripts/pre_build_csharp.sh
index d7665e15af641df4d3a002b195c0d63843727ea0..40be1b6b64216130a11d519816591e0b990f9e7e 100755
--- a/tools/run_tests/helper_scripts/pre_build_csharp.sh
+++ b/tools/run_tests/helper_scripts/pre_build_csharp.sh
@@ -33,47 +33,4 @@ set -ex
 # cd to gRPC csharp directory
 cd $(dirname $0)/../../../src/csharp
 
-root=`pwd`
-
-if [ -x "$(command -v nuget)" ]
-then
-  # TODO(jtattermusch): Get rid of this hack. See #8034
-  # Restoring Nuget packages by packages rather than by solution because of
-  # inability to restore by solution with Nuget client 3.4.4
-  # Moving into each directory to let the restores work based on per-project packages.config files
-  cd Grpc.Auth
-  nuget restore -PackagesDirectory ../packages
-  cd ..
-
-  cd Grpc.Core.Tests
-  nuget restore -PackagesDirectory ../packages
-  cd ..
-
-  cd Grpc.Core
-  nuget restore -PackagesDirectory ../packages
-  cd ..
-
-  cd Grpc.Examples.MathClient
-  nuget restore -PackagesDirectory ../packages
-  cd ..
-
-  cd Grpc.Examples.MathServer
-  nuget restore -PackagesDirectory ../packages
-  cd ..
-
-  cd Grpc.Examples
-  nuget restore -PackagesDirectory ../packages
-  cd ..
-
-  cd Grpc.HealthCheck.Tests
-  nuget restore -PackagesDirectory ../packages
-  cd ..
-
-  cd Grpc.HealthCheck
-  nuget restore -PackagesDirectory ../packages
-  cd ..
-
-  cd Grpc.IntegrationTesting
-  nuget restore -PackagesDirectory ../packages
-  cd ..
-fi
+dotnet restore Grpc.sln
diff --git a/tools/run_tests/run_interop_tests.py b/tools/run_tests/run_interop_tests.py
index 2d7f4a625d61e3eb3f4703ac79cb6d8cb20db945..d2bf529fef33a59503cfac736fb69df43093e6e0 100755
--- a/tools/run_tests/run_interop_tests.py
+++ b/tools/run_tests/run_interop_tests.py
@@ -114,8 +114,8 @@ class CXXLanguage:
 class CSharpLanguage:
 
   def __init__(self):
-    self.client_cwd = 'src/csharp/Grpc.IntegrationTesting.Client/bin/Debug'
-    self.server_cwd = 'src/csharp/Grpc.IntegrationTesting.Server/bin/Debug'
+    self.client_cwd = 'src/csharp/Grpc.IntegrationTesting.Client/bin/Debug/net45'
+    self.server_cwd = 'src/csharp/Grpc.IntegrationTesting.Server/bin/Debug/net45'
     self.safename = str(self)
 
   def client_cmd(self, args):
diff --git a/tools/run_tests/run_tests.py b/tools/run_tests/run_tests.py
index 0b4f26ca4401576d17fc9df89507f8725df42abf..9fa7cca14e32b180dd007f67d660befa033fc8f4 100755
--- a/tools/run_tests/run_tests.py
+++ b/tools/run_tests/run_tests.py
@@ -743,14 +743,11 @@ class CSharpLanguage(object):
     if self.platform == 'windows':
       _check_compiler(self.args.compiler, ['coreclr', 'default'])
       _check_arch(self.args.arch, ['default'])
-      self._cmake_arch_option = 'x64' if self.args.compiler == 'coreclr' else 'Win32'
+      self._cmake_arch_option = 'x64'
       self._make_options = []
     else:
       _check_compiler(self.args.compiler, ['default', 'coreclr'])
-      if self.platform == 'linux' and self.args.compiler == 'coreclr':
-        self._docker_distro = 'coreclr'
-      else:
-        self._docker_distro = 'jessie'
+      self._docker_distro = 'jessie'
 
       if self.platform == 'mac':
         # TODO(jtattermusch): EMBED_ZLIB=true currently breaks the mac build
@@ -766,7 +763,7 @@ class CSharpLanguage(object):
       tests_by_assembly = json.load(f)
 
     msbuild_config = _MSBUILD_CONFIG[self.config.build_config]
-    nunit_args = ['--labels=All']
+    nunit_args = ['--labels=All','--noresult', '--workers=1']
     assembly_subdir = 'bin/%s' % msbuild_config
     assembly_extension = '.exe'
 
@@ -775,7 +772,7 @@ class CSharpLanguage(object):
       runtime_cmd = ['dotnet', 'exec']
       assembly_extension = '.dll'
     else:
-      nunit_args += ['--noresult', '--workers=1']
+      assembly_subdir += '/net45'
       if self.platform == 'windows':
         runtime_cmd = []
       else:
@@ -827,18 +824,10 @@ class CSharpLanguage(object):
     return self._make_options;
 
   def build_steps(self):
-    if self.args.compiler == 'coreclr':
-      if self.platform == 'windows':
-        return [['tools\\run_tests\\helper_scripts\\build_csharp_coreclr.bat']]
-      else:
-        return [['tools/run_tests/helper_scripts/build_csharp_coreclr.sh']]
+    if self.platform == 'windows':
+      return [['tools\\run_tests\\helper_scripts\\build_csharp.bat']]
     else:
-      if self.platform == 'windows':
-        return [['vsprojects\\build_vs2015.bat',
-                 'src/csharp/Grpc.sln',
-                 '/p:Configuration=%s' % _MSBUILD_CONFIG[self.config.build_config]]]
-      else:
-        return [['tools/run_tests/helper_scripts/build_csharp.sh']]
+      return [['tools/run_tests/helper_scripts/build_csharp.sh']]
 
   def post_tests_steps(self):
     if self.platform == 'windows':