diff --git a/eng/pipelines/common/evaluate-default-paths.yml b/eng/pipelines/common/evaluate-default-paths.yml
index 0e4279a9697b94..198e5bdf23b272 100644
--- a/eng/pipelines/common/evaluate-default-paths.yml
+++ b/eng/pipelines/common/evaluate-default-paths.yml
@@ -212,21 +212,6 @@ jobs:
       exclude:
       - ${{ parameters._const_paths._always_exclude }}
 
-    - subset: wasmdebuggertests
-      combined: true
-      include:
-      - eng/testing/ProvisioningVersions.props
-      - src/libraries/System.Runtime.InteropServices/*
-      - src/libraries/System.Runtime.InteropServices.JavaScript/*
-      - src/mono/mono/*
-      - src/mono/wasm/debugger/*
-      - src/mono/wasm/runtime/*
-      - ${{ parameters._const_paths._wasm_src_native }}
-      - ${{ parameters._const_paths._wasm_pipelines }}
-      exclude:
-      - src/mono/nuget/*
-      - ${{ parameters._const_paths._always_exclude }}
-
     # wasm/runtimetests need to be run
     - subset: wasm_runtimetests
       combined: true
diff --git a/eng/pipelines/common/templates/wasm-debugger-tests.yml b/eng/pipelines/common/templates/wasm-debugger-tests.yml
deleted file mode 100644
index 17c0f415cf1b44..00000000000000
--- a/eng/pipelines/common/templates/wasm-debugger-tests.yml
+++ /dev/null
@@ -1,62 +0,0 @@
-parameters:
-  alwaysRun: false
-  isExtraPlatformsBuild: false
-  isWasmOnlyBuild: false
-  browser: 'chrome'
-  shouldContinueOnError: false
-  runOnlyOnWasmOnlyPipelines: false
-  extraBuildArgs: ''
-  nameSuffix: ''
-  platforms: []
-
-jobs:
-
-# Wasm debugger tests - windows
-- template: /eng/pipelines/common/platform-matrix.yml
-  parameters:
-    jobTemplate: /eng/pipelines/common/global-build-job.yml
-    helixQueuesTemplate: /eng/pipelines/libraries/helix-queues-setup.yml
-    buildConfig: Release
-    runtimeFlavor: mono
-    platforms: ${{ parameters.platforms }}
-    shouldContinueOnError: ${{ parameters.shouldContinueOnError }}
-    variables:
-      # map dependencies variables to local variables
-      - name: alwaysRunVar
-        value: ${{ parameters.alwaysRun }}
-      - name: shouldRunOnDefaultPipelines
-        value: $[
-          or(
-            eq(variables['wasmDarcDependenciesChanged'], true),
-            eq(dependencies.evaluate_paths.outputs['SetPathVars_tools_illink.containsChange'], true),
-            eq(dependencies.evaluate_paths_outputs['DarcDependenciesChanged.Microsoft_DotNet_HotReload_Utils_Generator_BuildTool'], true),
-            eq(dependencies.evaluate_paths.outputs['SetPathVars_wasmdebuggertests.containsChange'], true))
-          ]
-    jobParameters:
-      testGroup: innerloop
-      isExtraPlatforms: ${{ parameters.isExtraPlatformsBuild }}
-      ${{ if eq(parameters.nameSuffix, '') }}:
-        nameSuffix: Mono_DebuggerTests_${{ parameters.browser }}
-      ${{ else }}:
-        nameSuffix: ${{ parameters.nameSuffix }}
-      buildArgs: -s mono+libs+libs.tests -c $(_BuildConfig) /p:ArchiveTests=true /p:TestWasmDebuggerTests=true /p:TestAssemblies=false /p:BrowserHost=$(_hostedOs) /p:DebuggerHost=${{ parameters.browser }} ${{ parameters.extraBuildArgs }}
-      timeoutInMinutes: 180
-      # if !alwaysRun, then:
-      #   if this is runtime-wasm (isWasmOnlyBuild):
-      #     - then run only if it would not have run on default pipelines (based
-      #       on path changes)
-      #     - else run based on path changes
-      condition: >-
-        or(
-          eq(variables['alwaysRunVar'], true),
-          and(
-            eq(variables['isDefaultPipeline'], variables['shouldRunOnDefaultPipelines']),
-            eq(${{ parameters.isWasmOnlyBuild }}, ${{ parameters.runOnlyOnWasmOnlyPipelines }})))
-      postBuildSteps:
-        - template: /eng/pipelines/libraries/helix.yml
-          parameters:
-            creator: dotnet-bot
-            testRunNamePrefixSuffix: Mono_${{ parameters.browser }}_$(_BuildConfig)
-            extraHelixArguments: /p:BrowserHost=$(_hostedOs) /p:_DebuggerHosts=${{ parameters.browser }}
-            scenarios:
-            - wasmdebuggertests
diff --git a/eng/pipelines/extra-platforms/runtime-extra-platforms-wasm.yml b/eng/pipelines/extra-platforms/runtime-extra-platforms-wasm.yml
index 3c5df807855b0d..0e526a82d7fc4b 100644
--- a/eng/pipelines/extra-platforms/runtime-extra-platforms-wasm.yml
+++ b/eng/pipelines/extra-platforms/runtime-extra-platforms-wasm.yml
@@ -43,17 +43,6 @@ jobs:
       runAOT: true
       alwaysRun: true
 
-  # Wasm Debugger tests - firefox
-  - template: /eng/pipelines/common/templates/wasm-debugger-tests.yml
-    parameters:
-      platforms:
-        - browser_wasm_firefox
-      browser: firefox
-      extraBuildArgs: /p:AotHostArchitecture=x64 /p:AotHostOS=$(_hostedOS)
-      ## ff tests are unstable currently
-      shouldContinueOnError: true
-      alwaysRun: true
-
   # Disabled for now
   #- template: /eng/pipelines/coreclr/perf-wasm-jobs.yml
     #parameters:
@@ -214,41 +203,6 @@ jobs:
       isExtraPlatformsBuild: ${{ parameters.isExtraPlatformsBuild }}
       isWasmOnlyBuild: ${{ parameters.isWasmOnlyBuild }}
 
-- ${{ if and(ne(parameters.isRollingBuild, true), or(ne(parameters.excludeNonLibTests, true), eq(parameters.debuggerTestsOnly, true))) }}:
-  # Debugger tests
-  - template: /eng/pipelines/common/templates/wasm-debugger-tests.yml
-    parameters:
-      platforms:
-        - browser_wasm
-        - browser_wasm_win
-      extraBuildArgs: /p:AotHostArchitecture=x64 /p:AotHostOS=$(_hostedOS)
-      isExtraPlatformsBuild: ${{ parameters.isExtraPlatformsBuild }}
-      isWasmOnlyBuild: ${{ parameters.isWasmOnlyBuild }}
-
-  - template: /eng/pipelines/common/templates/wasm-debugger-tests.yml
-    parameters:
-      platforms:
-        - browser_wasm_firefox
-      browser: firefox
-      extraBuildArgs: /p:AotHostArchitecture=x64 /p:AotHostOS=$(_hostedOS)
-      isExtraPlatformsBuild: ${{ parameters.isExtraPlatformsBuild }}
-      isWasmOnlyBuild: ${{ parameters.isWasmOnlyBuild }}
-      alwaysRun: ${{ parameters.isWasmOnlyBuild }}
-      # ff tests are unstable currently
-      shouldContinueOnError: true
-
-  - template: /eng/pipelines/common/templates/wasm-debugger-tests.yml
-    parameters:
-      platforms:
-        - Browser_wasm
-        - Browser_wasm_win
-      extraBuildArgs: /p:MonoWasmBuildVariant=multithread /p:WasmEnableThreads=true /p:AotHostArchitecture=x64 /p:AotHostOS=$(_hostedOS)
-      nameSuffix: DebuggerTests_MultiThreaded
-      alwaysRun: ${{ parameters.isWasmOnlyBuild }}
-      isExtraPlatformsBuild: ${{ parameters.isExtraPlatformsBuild }}
-      isWasmOnlyBuild: ${{ parameters.isWasmOnlyBuild }}
-      runOnlyOnWasmOnlyPipelines: true
-
   # Disable for now
   #- template: /eng/pipelines/coreclr/perf-wasm-jobs.yml
     #parameters:
diff --git a/eng/pipelines/runtime.yml b/eng/pipelines/runtime.yml
index a21a15db4208d7..4c0dfa762c3ad3 100644
--- a/eng/pipelines/runtime.yml
+++ b/eng/pipelines/runtime.yml
@@ -529,15 +529,6 @@ extends:
           alwaysRun: ${{ variables.isRollingBuild }}
           extraBuildArgs: /p:AotHostArchitecture=x64 /p:AotHostOS=$(_hostedOS)
 
-      # Wasm Debugger tests
-      - template: /eng/pipelines/common/templates/wasm-debugger-tests.yml
-        parameters:
-          platforms:
-            - browser_wasm
-            - browser_wasm_win
-          alwaysRun: ${{ variables.isRollingBuild }}
-          extraBuildArgs: /p:AotHostArchitecture=x64 /p:AotHostOS=$(_hostedOS)
-
       # Wasm runtime tests
       - template: /eng/pipelines/common/templates/wasm-runtime-tests.yml
         parameters:
diff --git a/src/libraries/sendtohelix-wasm.targets b/src/libraries/sendtohelix-wasm.targets
index 89326207f9401e..7988e9520c6525 100644
--- a/src/libraries/sendtohelix-wasm.targets
+++ b/src/libraries/sendtohelix-wasm.targets
@@ -36,7 +36,6 @@
     <_ShippingPackagesPath>$([MSBuild]::NormalizeDirectory($(ArtifactsDir), 'packages', $(Configuration), 'Shipping'))</_ShippingPackagesPath>
     <WorkItemPrefix Condition="'$(WorkItemPrefix)' == '' and '$(Scenario)' != ''">$(Scenario)-</WorkItemPrefix>
 
-    <IsWasmDebuggerTests Condition="'$(Scenario)' == 'WasmDebuggerTests'">true</IsWasmDebuggerTests>
     <IsRunningLibraryTests Condition="'$(Scenario)' == 'normal' or '$(Scenario)' == 'WasmTestOnBrowser' or '$(Scenario)' == 'WasmTestOnNodeJS'">true</IsRunningLibraryTests>
 
     <HelixExtensionTargets />
diff --git a/src/libraries/sendtohelix.proj b/src/libraries/sendtohelix.proj
index 354064b4dc014d..4b0d024087fe65 100644
--- a/src/libraries/sendtohelix.proj
+++ b/src/libraries/sendtohelix.proj
@@ -72,7 +72,7 @@
       <_Scenarios Include="$(_Scenarios.Split(','))" />
 
       <!-- MSBuild creates a new instance of the project for each %(_Scenarios.Identity) and can build them in parallel. -->
-      <_BaseProjectsToBuild Include="$(PerScenarioProjectFile)" Condition="'%(_Scenarios.Identity)' != 'buildwasmapps' and '%(_Scenarios.Identity)' != 'buildiosapps' and '%(_Scenarios.Identity)' != 'wasmdebuggertests'">
+      <_BaseProjectsToBuild Include="$(PerScenarioProjectFile)" Condition="'%(_Scenarios.Identity)' != 'buildwasmapps' and '%(_Scenarios.Identity)' != 'buildiosapps'">
         <AdditionalProperties>$(_PropertiesToPass);Scenario=%(_Scenarios.Identity);TestArchiveRuntimeFile=$(TestArchiveRuntimeFile)</AdditionalProperties>
         <AdditionalProperties Condition="'$(NeedsToBuildWasmAppsOnHelix)' != ''">%(_BaseProjectsToBuild.AdditionalProperties);NeedsToBuildWasmAppsOnHelix=$(NeedsToBuildWasmAppsOnHelix)</AdditionalProperties>
       </_BaseProjectsToBuild>
@@ -97,14 +97,6 @@
       </_BuildWasmAppsProjectsToBuild>
     </ItemGroup>
 
-    <ItemGroup Condition="'@(_Scenarios -> AnyHaveMetadataValue('Identity', 'wasmdebuggertests'))' == 'true'">
-      <_DebuggerHostsItem Include="$(_DebuggerHosts.Split('/'))" />
-
-      <_WasmDebuggerTestsProjectsToBuild Include="$(PerScenarioProjectFile)">
-        <AdditionalProperties>$(_PropertiesToPass);Scenario=WasmDebuggerTests;TestArchiveRuntimeFile=$(TestArchiveRuntimeFile);DebuggerHost=%(_DebuggerHostsItem.Identity)</AdditionalProperties>
-      </_WasmDebuggerTestsProjectsToBuild>
-    </ItemGroup>
-
     <!-- For BuildWasmApps we want to build the project twice, with: TestUsingWorkloads=true, and TestUsingWorkloads=false -->
     <ItemGroup Condition="'@(_Scenarios -> AnyHaveMetadataValue('Identity', 'buildiosapps'))' == 'true'">
       <_TestUsingWorkloadsValues Include="false" />
@@ -116,7 +108,7 @@
     </ItemGroup>
 
     <ItemGroup>
-      <_ProjectsToBuild Include="@(_BuildWasmAppsProjectsToBuild);@(_WasmDebuggerTestsProjectsToBuild);@(_BuildiOSAppsProjectsToBuild);@(_BaseProjectsToBuild)" />
+      <_ProjectsToBuild Include="@(_BuildWasmAppsProjectsToBuild);@(_BuildiOSAppsProjectsToBuild);@(_BaseProjectsToBuild)" />
     </ItemGroup>
 
     <PropertyGroup>
diff --git a/src/libraries/tests.proj b/src/libraries/tests.proj
index 797c1f4f325d01..c0eaf2b651c1f0 100644
--- a/src/libraries/tests.proj
+++ b/src/libraries/tests.proj
@@ -25,7 +25,7 @@
     <RunHighAOTResourceRequiringTestsOnly Condition="'$(RunHighAOTResourceRequiringTestsOnly)' == ''">false</RunHighAOTResourceRequiringTestsOnly>
 
     <!-- Don't build samples, and functional tests on EAT, AOT, WBT, and Debugger lanes -->
-    <RunWasmSamples Condition="'$(RunSmokeTestsOnly)' != 'true' and '$(RunHighAOTResourceRequiringTestsOnly)' != 'true' and '$(TargetOS)' == 'browser' and '$(BuildAOTTestsOnHelix)' != 'true' and  '$(TestWasmBuildTests)' != 'true' and '$(TestWasmDebuggerTests)' != 'true'">true</RunWasmSamples>
+    <RunWasmSamples Condition="'$(RunSmokeTestsOnly)' != 'true' and '$(RunHighAOTResourceRequiringTestsOnly)' != 'true' and '$(TargetOS)' == 'browser' and '$(BuildAOTTestsOnHelix)' != 'true' and  '$(TestWasmBuildTests)' != 'true'">true</RunWasmSamples>
   </PropertyGroup>
 
   <ItemGroup Condition="'$(TargetOS)' == 'browser'">
@@ -621,13 +621,6 @@
                                     (('$(ContinuousIntegrationBuild)' == 'true' and '$(TestWasmBuildTests)' == 'true') or
                                      ('$(ContinuousIntegrationBuild)' != 'true' and '$(TestAssemblies)' == 'true'))"
                       BuildInParallel="false" />
-
-    <ProjectReference Include="$(RepoRoot)\src\mono\wasm\debugger\Wasm.Debugger.Tests\*.Tests.csproj"
-                      Exclude="@(ProjectExclusions)"
-                      Condition="'$(TargetOS)' == 'browser' and
-                                    (('$(ContinuousIntegrationBuild)' == 'true' and '$(TestWasmDebuggerTests)' == 'true') or
-                                     ('$(ContinuousIntegrationBuild)' != 'true' and '$(TestAssemblies)' == 'true'))"
-                      BuildInParallel="false" />
   </ItemGroup>
 
   <ItemGroup Condition="'$(ArchiveTests)' == 'true' and '$(TargetOS)' == 'ios' and '$(RunAOTCompilation)' == 'true'">
diff --git a/src/mono/wasi/Makefile b/src/mono/wasi/Makefile
index 9cd33abfa2f003..4b2700bdc6dd51 100644
--- a/src/mono/wasi/Makefile
+++ b/src/mono/wasi/Makefile
@@ -63,22 +63,6 @@ run-tests-%:
 run-build-tests:
 	WASI_SDK_PATH=$(WASI_SDK_PATH) $(DOTNET) build $(TOP)/src/mono/wasi//Wasi.Build.Tests/ /t:Test /bl $(_MSBUILD_WASM_BUILD_ARGS) $(MSBUILD_ARGS)
 
-build-debugger-tests-helix:
-	$(DOTNET) build -restore -bl:$(TOP)/artifacts/log/$(CONFIG)/Wasm.Debugger.Tests.binlog \
-	/p:ContinuousIntegrationBuild=true /p:ArchiveTests=true \
-	$(TOP)/src/mono/wasm/debugger/Wasm.Debugger.Tests/Wasm.Debugger.Tests.csproj \
-	$(_MSBUILD_WASM_BUILD_ARGS) $(MSBUILD_ARGS)
-
-submit-debugger-tests-helix: build-debugger-tests-helix
-	BUILD_REASON=wasm-test SYSTEM_TEAMPROJECT=public BUILD_REPOSITORY_NAME=dotnet/runtime BUILD_SOURCEBRANCH=main \
-		$(TOP)/eng/common/msbuild.sh --ci -restore $(TOP)/src/libraries/sendtohelix.proj \
-		/p:TestRunNamePrefixSuffix=WasmDebugger /p:HelixBuild=`date "+%Y%m%d.%H%M"` /p:Creator=`whoami` \
-		/bl:$(TOP)/artifacts/log/$(CONFIG)/SendToHelix.binlog -p:HelixTargetQueue=$(HELIX_TARGET_QUEUE) \
-		/p:RuntimeFlavor=mono /p:TargetRuntimeIdentifier= /p:MonoForceInterpreter= /p:TestScope=innerloop \
-		/p:_Scenarios=wasmdebuggertests \
-		$(_MSBUILD_WASM_BUILD_ARGS) \
-		$(MSBUILD_ARGS)
-
 submit-wbt-helix:
 	PATH="$(JSVU):$(PATH)" \
 		$(DOTNET) build $(TOP)/src/mono/wasi/Wasi.Build.Tests/ /v:m /p:ArchiveTests=true /t:ArchiveTests $(_MSBUILD_WASM_BUILD_ARGS) $(MSBUILD_ARGS) && \
diff --git a/src/mono/wasm/Makefile b/src/mono/wasm/Makefile
index a145d600687b95..bb7e126c229927 100644
--- a/src/mono/wasm/Makefile
+++ b/src/mono/wasm/Makefile
@@ -111,22 +111,6 @@ run-browser-tests-%:
 build-runtime-tests:
 	$(TOP)/src/tests/build.sh -mono os browser wasm $(CONFIG)
 
-build-debugger-tests-helix:
-	$(DOTNET) build -restore -bl:$(TOP)/artifacts/log/$(CONFIG)/Wasm.Debugger.Tests.binlog \
-	/p:ContinuousIntegrationBuild=true /p:ArchiveTests=true \
-	$(TOP)/src/mono/wasm/debugger/Wasm.Debugger.Tests/Wasm.Debugger.Tests.csproj \
-	$(_MSBUILD_WASM_BUILD_ARGS) $(MSBUILD_ARGS)
-
-submit-debugger-tests-helix: build-debugger-tests-helix
-	EMSDK_PATH=$(EMSDK_PATH) BUILD_REASON=wasm-test SYSTEM_TEAMPROJECT=public BUILD_REPOSITORY_NAME=dotnet/runtime BUILD_SOURCEBRANCH=main \
-		$(TOP)/eng/common/msbuild.sh --ci -restore $(TOP)/src/libraries/sendtohelix.proj \
-		/p:TestRunNamePrefixSuffix=WasmDebugger /p:HelixBuild=`date "+%Y%m%d.%H%M"` /p:Creator=`whoami` \
-		/bl:$(TOP)/artifacts/log/$(CONFIG)/SendToHelix.binlog -p:HelixTargetQueue=$(HELIX_TARGET_QUEUE) \
-		/p:RuntimeFlavor=mono /p:TargetRuntimeIdentifier= /p:MonoForceInterpreter= /p:TestScope=innerloop \
-		/p:_Scenarios=wasmdebuggertests \
-		$(_MSBUILD_WASM_BUILD_ARGS) \
-		$(MSBUILD_ARGS)
-
 submit-wbt-helix:
 	PATH="$(JSVU):$(PATH)" \
 		$(DOTNET) build $(TOP)/src/mono/wasm/Wasm.Build.Tests/ /v:m /p:ArchiveTests=true /t:ArchiveTests $(_MSBUILD_WASM_BUILD_ARGS) $(MSBUILD_ARGS) && \
diff --git a/src/mono/wasm/debugger/Wasm.Debugger.Tests/Wasm.Debugger.Tests.csproj b/src/mono/wasm/debugger/Wasm.Debugger.Tests/Wasm.Debugger.Tests.csproj
index 6c2ce61fee7c0a..632890bd15e0bd 100644
--- a/src/mono/wasm/debugger/Wasm.Debugger.Tests/Wasm.Debugger.Tests.csproj
+++ b/src/mono/wasm/debugger/Wasm.Debugger.Tests/Wasm.Debugger.Tests.csproj
@@ -16,7 +16,6 @@
     <BundleTestWasmAppDependsOn>BundleDebuggerTestsForHelix</BundleTestWasmAppDependsOn>
     <ExtractTestClassNamesForHelix Condition="'$(ContinuousIntegrationBuild)' == 'true' or '$(ArchiveTests)' == 'true'">true</ExtractTestClassNamesForHelix>
     <RuntimeConfiguration Condition="'$(RuntimeConfiguration)' == ''">$(Configuration)</RuntimeConfiguration>
-    <HelixTargetsFile>wasm.helix.targets</HelixTargetsFile>
   </PropertyGroup>
 
   <PropertyGroup>
diff --git a/src/mono/wasm/debugger/Wasm.Debugger.Tests/wasm.helix.targets b/src/mono/wasm/debugger/Wasm.Debugger.Tests/wasm.helix.targets
deleted file mode 100644
index e645a2c42c4d5d..00000000000000
--- a/src/mono/wasm/debugger/Wasm.Debugger.Tests/wasm.helix.targets
+++ /dev/null
@@ -1,30 +0,0 @@
-<Project>
-  <PropertyGroup Condition="'$(Scenario)' == 'WasmDebuggerTests'">
-    <NeedsToRunOnBrowser>true</NeedsToRunOnBrowser>
-    <WorkItemPrefix>$(DebuggerHost)-</WorkItemPrefix>
-    <UseDotNetCliVersionFromGlobalJson>true</UseDotNetCliVersionFromGlobalJson>
-    <_DebuggerTestsWorkItemTimeout Condition="'$(Scenario)' == 'WasmDebuggerTests'">00:50:00</_DebuggerTestsWorkItemTimeout>
-    <_DebuggerTestsWorkItemTimeout Condition="'$(Scenario)' == 'WasmDebuggerTests' and '$(BrowserHost)' == 'windows'">00:50:00</_DebuggerTestsWorkItemTimeout>
-
-    <HelixExtensionTargets>$(HelixExtensionTargets);_AddWorkItemsForWasmDebuggerTests</HelixExtensionTargets>
-  </PropertyGroup>
-
-  <Target Name="_AddWorkItemsForWasmDebuggerTests">
-    <!-- remove the existing item -->
-    <HelixWorkItem Remove="@(HelixWorkItem)" Condition="'%(HelixWorkItem.Identity)' == 'Wasm.Debugger.Tests'" />
-
-    <ReadLinesFromFile File="$(TestArchiveTestsDir)DebuggerTestSuite.tests.list">
-      <Output TaskParameter="Lines" ItemName="_DebuggerTestsClassName" />
-    </ReadLinesFromFile>
-
-    <ItemGroup>
-      <HelixWorkItem Include="@(_DebuggerTestsClassName -> '$(DebuggerHost)-%(Identity)')">
-        <PayloadArchive>$(TestArchiveTestsDir)Wasm.Debugger.Tests.zip</PayloadArchive>
-        <Command>$(HelixCommand)</Command>
-        <Timeout>$(_DebuggerTestsWorkItemTimeout)</Timeout>
-        <PreCommands Condition="'$(OS)' == 'Windows_NT'">set &quot;TEST_ARGS=--filter category^^!=failing^&amp;FullyQualifiedName~%(Identity)&quot;</PreCommands>
-        <PreCommands Condition="'$(OS)' != 'Windows_NT'">export &quot;TEST_ARGS=--filter category!=failing&amp;FullyQualifiedName~%(Identity)&quot;</PreCommands>
-      </HelixWorkItem>
-    </ItemGroup>
-  </Target>
-</Project>