diff --git a/ui/build/config.go b/ui/build/config.go
index b64a65f..631b76f 100644
--- a/ui/build/config.go
+++ b/ui/build/config.go
@@ -1041,7 +1041,7 @@
 
 func (c *configImpl) UsedEnvFile(tag string) string {
 	if v, ok := c.environ.Get("TARGET_PRODUCT"); ok {
-		return shared.JoinPath(c.SoongOutDir(), usedEnvFile+"."+v+c.CoverageSuffix()+"."+tag)
+		return shared.JoinPath(c.SoongOutDir(), usedEnvFile+"."+v+"."+tag)
 	}
 	return shared.JoinPath(c.SoongOutDir(), usedEnvFile+"."+tag)
 }
@@ -1149,13 +1149,6 @@
 	return "", fmt.Errorf("TARGET_PRODUCT is not defined")
 }
 
-func (c *configImpl) CoverageSuffix() string {
-	if v := c.environ.IsEnvTrue("EMMA_INSTRUMENT"); v {
-		return ".coverage"
-	}
-	return ""
-}
-
 func (c *configImpl) TargetDevice() string {
 	return c.targetDevice
 }
@@ -1528,7 +1521,7 @@
 	if err != nil {
 		return filepath.Join(c.SoongOutDir(), "soong.variables")
 	} else {
-		return filepath.Join(c.SoongOutDir(), "soong."+targetProduct+c.CoverageSuffix()+".variables")
+		return filepath.Join(c.SoongOutDir(), "soong."+targetProduct+".variables")
 	}
 }
 
@@ -1537,7 +1530,7 @@
 	if err != nil {
 		return filepath.Join(c.SoongOutDir(), "soong.extra.variables")
 	} else {
-		return filepath.Join(c.SoongOutDir(), "soong."+targetProduct+c.CoverageSuffix()+".extra.variables")
+		return filepath.Join(c.SoongOutDir(), "soong."+targetProduct+".extra.variables")
 	}
 }
 
@@ -1546,7 +1539,7 @@
 	if err != nil {
 		return filepath.Join(c.SoongOutDir(), "build.ninja")
 	} else {
-		return filepath.Join(c.SoongOutDir(), "build."+targetProduct+c.CoverageSuffix()+".ninja")
+		return filepath.Join(c.SoongOutDir(), "build."+targetProduct+".ninja")
 	}
 }
 
@@ -1558,11 +1551,11 @@
 }
 
 func (c *configImpl) SoongAndroidMk() string {
-	return filepath.Join(c.SoongOutDir(), "Android-"+c.TargetProduct()+c.CoverageSuffix()+".mk")
+	return filepath.Join(c.SoongOutDir(), "Android-"+c.TargetProduct()+".mk")
 }
 
 func (c *configImpl) SoongMakeVarsMk() string {
-	return filepath.Join(c.SoongOutDir(), "make_vars-"+c.TargetProduct()+c.CoverageSuffix()+".mk")
+	return filepath.Join(c.SoongOutDir(), "make_vars-"+c.TargetProduct()+".mk")
 }
 
 func (c *configImpl) SoongBuildMetrics() string {
diff --git a/ui/build/kati.go b/ui/build/kati.go
index 5743ff7..a0efd2c 100644
--- a/ui/build/kati.go
+++ b/ui/build/kati.go
@@ -41,7 +41,7 @@
 // arguments.
 func genKatiSuffix(ctx Context, config Config) {
 	// Construct the base suffix.
-	katiSuffix := "-" + config.TargetProduct() + config.CoverageSuffix()
+	katiSuffix := "-" + config.TargetProduct()
 
 	// Append kati arguments to the suffix.
 	if args := config.KatiArgs(); len(args) > 0 {