diff --git a/codan/org.eclipse.cdt.codan.ui/.settings/.api_filters b/codan/org.eclipse.cdt.codan.ui/.settings/.api_filters
deleted file mode 100644
index 2d910f457e7..00000000000
--- a/codan/org.eclipse.cdt.codan.ui/.settings/.api_filters
+++ /dev/null
@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<component id="org.eclipse.cdt.codan.ui" version="2">
-    <resource path="src/org/eclipse/cdt/codan/internal/ui/preferences/CodanPreferencePage.java" type="org.eclipse.cdt.codan.internal.ui.preferences.CodanPreferencePage">
-        <filter id="640712815">
-            <message_arguments>
-                <message_argument value="ICheckersRegistry"/>
-                <message_argument value="CodanPreferencePage"/>
-                <message_argument value="updateProfile(IResource, IProblemProfile)"/>
-            </message_arguments>
-        </filter>
-    </resource>
-</component>
diff --git a/core/org.eclipse.cdt.core/.settings/.api_filters b/core/org.eclipse.cdt.core/.settings/.api_filters
deleted file mode 100644
index 88e5451babc..00000000000
--- a/core/org.eclipse.cdt.core/.settings/.api_filters
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<component id="org.eclipse.cdt.core" version="2">
-    <resource path="src/org/eclipse/cdt/core/resources/Messages.java" type="org.eclipse.cdt.core.resources.Messages">
-        <filter id="305365105">
-            <message_arguments>
-                <message_argument value="org.eclipse.cdt.core.resources.Messages"/>
-                <message_argument value="org.eclipse.cdt.core_5.8.0"/>
-            </message_arguments>
-        </filter>
-    </resource>
-    <resource path="templateengine/org/eclipse/cdt/core/templateengine/TemplateEngineMessages.java" type="org.eclipse.cdt.core.templateengine.TemplateEngineMessages">
-        <filter id="338944126">
-            <message_arguments>
-                <message_argument value="org.eclipse.cdt.core.templateengine.TemplateEngineMessages"/>
-                <message_argument value="getString(String)"/>
-            </message_arguments>
-        </filter>
-    </resource>
-</component>
diff --git a/core/org.eclipse.cdt.ui/.settings/.api_filters b/core/org.eclipse.cdt.ui/.settings/.api_filters
deleted file mode 100644
index d77a8ca3731..00000000000
--- a/core/org.eclipse.cdt.ui/.settings/.api_filters
+++ /dev/null
@@ -1,20 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<component id="org.eclipse.cdt.ui" version="2">
-    <resource path="src/org/eclipse/cdt/internal/ui/refactoring/ChangeParametersControl.java" type="org.eclipse.cdt.internal.ui.refactoring.ChangeParametersControl$DirectionCellEditor">
-        <filter id="571473929">
-            <message_arguments>
-                <message_argument value="ComboBoxCellEditor"/>
-                <message_argument value="DirectionCellEditor"/>
-            </message_arguments>
-        </filter>
-    </resource>
-    <resource path="src/org/eclipse/cdt/internal/ui/search/CSearchUnresolvedIncludesQuery.java" type="org.eclipse.cdt.internal.ui.search.CSearchUnresolvedIncludesQuery">
-        <filter id="640712815">
-            <message_arguments>
-                <message_argument value="IIndex"/>
-                <message_argument value="CSearchUnresolvedIncludesQuery"/>
-                <message_argument value="getFilesWithUnresolvedIncludes()"/>
-            </message_arguments>
-        </filter>
-    </resource>
-</component>
diff --git a/debug/org.eclipse.cdt.debug.core/.settings/.api_filters b/debug/org.eclipse.cdt.debug.core/.settings/.api_filters
deleted file mode 100644
index f61833797a8..00000000000
--- a/debug/org.eclipse.cdt.debug.core/.settings/.api_filters
+++ /dev/null
@@ -1,57 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<component id="org.eclipse.cdt.debug.core" version="2">
-    <resource path="src/org/eclipse/cdt/debug/core/sourcelookup/MappingSourceContainer.java" type="org.eclipse.cdt.debug.core.sourcelookup.MappingSourceContainer">
-        <filter id="643846161">
-            <message_arguments>
-                <message_argument value="MapEntrySourceContainer"/>
-                <message_argument value="MappingSourceContainer"/>
-                <message_argument value="addMapEntries(MapEntrySourceContainer[])"/>
-            </message_arguments>
-        </filter>
-        <filter id="643846161">
-            <message_arguments>
-                <message_argument value="MapEntrySourceContainer"/>
-                <message_argument value="MappingSourceContainer"/>
-                <message_argument value="addMapEntry(MapEntrySourceContainer)"/>
-            </message_arguments>
-        </filter>
-        <filter id="643846161">
-            <message_arguments>
-                <message_argument value="MapEntrySourceContainer"/>
-                <message_argument value="MappingSourceContainer"/>
-                <message_argument value="removeMapEntries(MapEntrySourceContainer[])"/>
-            </message_arguments>
-        </filter>
-        <filter id="643846161">
-            <message_arguments>
-                <message_argument value="MapEntrySourceContainer"/>
-                <message_argument value="MappingSourceContainer"/>
-                <message_argument value="removeMapEntry(MapEntrySourceContainer)"/>
-            </message_arguments>
-        </filter>
-    </resource>
-    <resource path="src/org/eclipse/cdt/debug/internal/core/DebugStringVariableSubstitutor.java" type="org.eclipse.cdt.debug.internal.core.DebugStringVariableSubstitutor">
-        <filter id="574619656">
-            <message_arguments>
-                <message_argument value="IStringVariableManager"/>
-                <message_argument value="DebugStringVariableSubstitutor"/>
-            </message_arguments>
-        </filter>
-    </resource>
-    <resource path="src/org/eclipse/cdt/debug/internal/core/DebugStringVariableSubstitutor.java" type="org.eclipse.cdt.debug.internal.core.DebugStringVariableSubstitutor$ProjectVariable">
-        <filter id="574619656">
-            <message_arguments>
-                <message_argument value="IDynamicVariable"/>
-                <message_argument value="ProjectVariable"/>
-            </message_arguments>
-        </filter>
-    </resource>
-    <resource path="src/org/eclipse/cdt/debug/internal/core/srcfinder/CSourceFinder.java" type="org.eclipse.cdt.debug.internal.core.srcfinder.CSourceFinder">
-        <filter id="574619656">
-            <message_arguments>
-                <message_argument value="ISourceFinder"/>
-                <message_argument value="CSourceFinder"/>
-            </message_arguments>
-        </filter>
-    </resource>
-</component>
diff --git a/debug/org.eclipse.cdt.debug.ui/.settings/.api_filters b/debug/org.eclipse.cdt.debug.ui/.settings/.api_filters
deleted file mode 100644
index 48c6c7be8f5..00000000000
--- a/debug/org.eclipse.cdt.debug.ui/.settings/.api_filters
+++ /dev/null
@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<component id="org.eclipse.cdt.debug.ui" version="2">
-    <resource path="src/org/eclipse/cdt/debug/internal/ui/views/executables/SourceFilesContentProvider.java" type="org.eclipse.cdt.debug.internal.ui.views.executables.SourceFilesContentProvider$QuickParseJob">
-        <filter id="640712815">
-            <message_arguments>
-                <message_argument value="Executable"/>
-                <message_argument value="QuickParseJob"/>
-                <message_argument value="getSourceFiles(IProgressMonitor)"/>
-            </message_arguments>
-        </filter>
-    </resource>
-</component>
diff --git a/dsf/org.eclipse.cdt.dsf.ui/.settings/.api_filters b/dsf/org.eclipse.cdt.dsf.ui/.settings/.api_filters
deleted file mode 100644
index d89b3e85b34..00000000000
--- a/dsf/org.eclipse.cdt.dsf.ui/.settings/.api_filters
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<component id="org.eclipse.cdt.dsf.ui" version="2">
-    <resource path="src/org/eclipse/cdt/dsf/debug/internal/ui/disassembly/DisassemblyColumnSupport.java" type="org.eclipse.cdt.dsf.debug.internal.ui.disassembly.DisassemblyColumnSupport">
-        <filter comment="Bug 366942 - [disassembly] Extension point for contributing ruler columns" id="574619656">
-            <message_arguments>
-                <message_argument value="IColumnSupport"/>
-                <message_argument value="DisassemblyColumnSupport"/>
-            </message_arguments>
-        </filter>
-    </resource>
-    <resource path="src/org/eclipse/cdt/dsf/debug/internal/ui/disassembly/DisassemblyPart.java" type="org.eclipse.cdt.dsf.debug.internal.ui.disassembly.DisassemblyPart">
-        <filter id="571473929">
-            <message_arguments>
-                <message_argument value="WorkbenchPart"/>
-                <message_argument value="DisassemblyPart"/>
-            </message_arguments>
-        </filter>
-    </resource>
-</component>