diff --git a/extensions/ffmpeg/src/main/.cproject b/extensions/ffmpeg/src/main/.cproject
deleted file mode 100644
index 85e91eab25..0000000000
--- a/extensions/ffmpeg/src/main/.cproject
+++ /dev/null
@@ -1,54 +0,0 @@
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-				<externalSettings/>
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-					<extension id="org.eclipse.cdt.core.VCErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
-					<extension id="org.eclipse.cdt.core.GmakeErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
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-					<extension id="org.eclipse.cdt.core.MakeErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
-					<extension id="org.eclipse.cdt.core.GCCErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
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-	<storageModule moduleId="org.eclipse.cdt.core.LanguageSettingsProviders"/>
-	<storageModule moduleId="scannerConfiguration">
-		<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
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-	<storageModule moduleId="refreshScope" versionNumber="2">
-		<configuration configurationName="Default">
-			<resource resourceType="PROJECT" workspacePath="/ExoPlayerExt-FFmpeg"/>
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diff --git a/extensions/flac/src/main/.cproject b/extensions/flac/src/main/.cproject
deleted file mode 100644
index e2e6d14f9a..0000000000
--- a/extensions/flac/src/main/.cproject
+++ /dev/null
@@ -1,54 +0,0 @@
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-					<extension id="org.eclipse.cdt.core.GmakeErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
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-					<extension id="org.eclipse.cdt.core.MakeErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
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-					<extension id="org.eclipse.cdt.core.GLDErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
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-			<storageModule moduleId="org.eclipse.cdt.core.externalSettings"/>
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-	<storageModule moduleId="org.eclipse.cdt.core.LanguageSettingsProviders"/>
-	<storageModule moduleId="scannerConfiguration">
-		<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
-		<scannerConfigBuildInfo instanceId="com.android.toolchain.gcc.423224913;com.android.toolchain.gcc.423224913.1376674556;com.android.gcc.compiler.906450637;com.android.gcc.inputType.835889068">
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-	</storageModule>
-	<storageModule moduleId="refreshScope" versionNumber="2">
-		<configuration configurationName="Default">
-			<resource resourceType="PROJECT" workspacePath="/ExoPlayerExt-Flac"/>
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-	</storageModule>
-</cproject>
diff --git a/extensions/opus/src/main/.cproject b/extensions/opus/src/main/.cproject
deleted file mode 100644
index 22cc11ab57..0000000000
--- a/extensions/opus/src/main/.cproject
+++ /dev/null
@@ -1,57 +0,0 @@
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-					<extension id="org.eclipse.cdt.core.VCErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
-					<extension id="org.eclipse.cdt.core.GmakeErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
-					<extension id="org.eclipse.cdt.core.CWDLocator" point="org.eclipse.cdt.core.ErrorParser"/>
-					<extension id="org.eclipse.cdt.core.MakeErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
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-	<storageModule moduleId="scannerConfiguration">
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-	<storageModule moduleId="refreshScope" versionNumber="2">
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-			<resource resourceType="PROJECT" workspacePath="/ExoPlayerExt-Opus"/>
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diff --git a/extensions/vp9/src/main/.cproject b/extensions/vp9/src/main/.cproject
deleted file mode 100644
index 8548e48eb9..0000000000
--- a/extensions/vp9/src/main/.cproject
+++ /dev/null
@@ -1,57 +0,0 @@
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-					<extension id="org.eclipse.cdt.core.GmakeErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
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-	<storageModule moduleId="refreshScope" versionNumber="2">
-		<configuration configurationName="Default">
-			<resource resourceType="PROJECT" workspacePath="/ExoPlayerExt-VP9"/>
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-</cproject>